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Forum: Technical Help Forum 30th November 2015, 10:05
Replies: 8
Views: 603
Posted By Roverron
I have come across several cases of the missing...

I have come across several cases of the missing Bosch Iat - just the wires left and the body of it gone. :lipsrsealed:

The 2a does recalibrate (amplify) the maf signal when used with a Pierburgh...
Forum: Technical Help Forum 30th November 2015, 07:53
Replies: 8
Views: 603
Posted By Roverron
From about 2009 we fitted the IAT inside the...

From about 2009 we fitted the IAT inside the Synergy casing, so no IAT wire and no connection to pin 1 of the maf's plug.

No one has ever found any difference in performance or mpg by the air temp...
Forum: Technical Help Forum 30th November 2015, 07:41
Replies: 5
Views: 868
Posted By Roverron
Received and just awaiting an email address to...

Received and just awaiting an email address to send it to, assuming I can find them.
Ron
Forum: Technical Help Forum 28th June 2014, 11:15
Replies: 60
Views: 9,000
Posted By Roverron
Well said. Ron

Well said.
Ron
Forum: Technical Help Forum 28th June 2014, 10:14
Replies: 60
Views: 9,000
Posted By Roverron
Its not an emulator - why do you think it is? ...

Its not an emulator - why do you think it is?
Its a laptop based diagnostic tool that does what Philip claims and this is more than an off the shelf generic obd tool.

You can buy tools with model...
Forum: Technical Help Forum 28th June 2014, 09:19
Replies: 60
Views: 9,000
Posted By Roverron
Wink Funding secured and more

A few years ago Philips would have been welcomed with open arms by everyone on this forum, without exception.

I believe the silent majority still do and since his project is now funded by £2k more...
Forum: Technical Help Forum 11th June 2014, 15:42
Replies: 60
Views: 9,000
Posted By Roverron
New rover mg diagnostics kit

A Rover/MG specific diagnostic laptop based tool has recently been launched.

It is the result of a lot of work to enable it to provide much greater functionality than the generic type. It also...
Forum: Technical Help Forum 4th March 2014, 13:39
Replies: 10
Views: 1,757
Posted By Roverron
The Synergy isn't hard wired, its plug-in (sorry...

The Synergy isn't hard wired, its plug-in (sorry if this is what you meant) and we have commisioned an oem style maf socket which should be here soon to make it even easier and more foolproof.
My...
Forum: Technical Help Forum 4th March 2014, 12:59
Replies: 10
Views: 1,757
Posted By Roverron
Re attacks on the Synergy. Ron responds.

1) Common rail tuning products have been on the market since 2000 and do Not have a reputation for causing problems. There is no reason any alleged problems would only be caused by a Synergy and not...
Forum: Technical Help Forum 26th February 2014, 08:29
Replies: 43
Views: 3,794
Posted By Roverron
RonResponds

The Synergy does NOT kill the injection pump nor any other component.

There are thousands in modules in existence, both single and twin channel and we regularly hear from happy customers with the...
Forum: The 75 and ZT Owners Club General Forum 24th January 2014, 19:04
Replies: 4
Views: 664
Posted By Roverron
Message from roverron

Just to let you know that today our Synergy trademark is back where it belongs, having been registered behind our backs by a dodgy 'competitor' from Hull.
We have combined it with our Ronbox...
Forum: Technical Help Forum 31st July 2013, 11:06
Replies: 42
Views: 5,632
Posted By Roverron
Disconnect the plug from one injector at a time -...

Disconnect the plug from one injector at a time - reconnect the first one, then disconnect the second and so on.

Checking the fuel rail sensor is best done by swapping from another 75 or ZT.
...
Forum: Technical Help Forum 30th July 2013, 20:15
Replies: 42
Views: 5,632
Posted By Roverron
Its a fuelling issue, either too much or not...

Its a fuelling issue, either too much or not enough, which causes the knock and erratic idle. Its probably too much fuel from a leaking injector, or a maf signal that is far too high but other causes...
Forum: The 75 and ZT Owners Club General Forum 22nd April 2013, 14:35
Replies: 6
Views: 761
Posted By Roverron
It is one of mine - who do you think supplies...

It is one of mine - who do you think supplies Dark Ice Designs!

Its a Digimafam DGM2 - the analogue version of the original mafam.

Ron

NEW WEBSITE: http://tuning-diesels.co.uk
...
Forum: Technical Help Forum 24th March 2013, 14:28
Replies: 6
Views: 1,118
Posted By Roverron
If it just says Synergy, it will be a Synergy 1 -...

If it just says Synergy, it will be a Synergy 1 - just has one toggle switch.

You really need a Synergy 2a or e and I can part ex it, assuming its in good working order for £140 delivered (£186.90...
Forum: Technical Help Forum 20th February 2013, 21:54
Replies: 44
Views: 2,655
Posted By Roverron
Correct - I do actually understand how the ecm...

Correct - I do actually understand how the ecm uses the maf signal!
Its just not my experience even if it is yours. (which doesn't make either of us right)

Logically if all my Synergy and...
Forum: Technical Help Forum 20th February 2013, 21:31
Replies: 6
Views: 1,118
Posted By Roverron
Message from roverron

Can I please ask anyone with a query about a Synergy, Pierburgh maf or Digimafam, whether new or second hand, to PM me or PM me a link to their thread. Alternatively, email me at...
Forum: Technical Help Forum 20th February 2013, 21:27
Replies: 44
Views: 2,655
Posted By Roverron
I think your definition of fail is different to...

I think your definition of fail is different to mine.

I agree if the signal has become too high then the maf can considered to have failed and yes, boosting it even more will make matters worse.
...
Forum: Technical Help Forum 20th February 2013, 20:51
Replies: 44
Views: 2,655
Posted By Roverron
You will be wasting your time because what...

You will be wasting your time because what matters is the end result and over a million quids worth of Mafams, Digimafam, Synergys and the modules sold by my colleagues at Energy Tuning have been...
Forum: Technical Help Forum 20th February 2013, 20:34
Replies: 44
Views: 2,655
Posted By Roverron
Whatever one it is, just leave things as they are...

Whatever one it is, just leave things as they are if the car is going well and 48mpg is very respectable.

Ron
Forum: Technical Help Forum 20th February 2013, 20:25
Replies: 44
Views: 2,655
Posted By Roverron
Which maf do you have fitted? If its the 070...

Which maf do you have fitted?

If its the 070 maf, then you should be on settings 6 to 10 and with the maf switch on.

R
Forum: Technical Help Forum 20th February 2013, 20:21
Replies: 44
Views: 2,655
Posted By Roverron
What planet are you on! I have sold...

What planet are you on!

I have sold thousands of mafam, digimafams, and Synergy 2a for the L series and BMW engined cars and all do exactly what they are designed to do. (I have the feedback to...
Forum: Technical Help Forum 20th February 2013, 19:56
Replies: 44
Views: 2,655
Posted By Roverron
Wrong again. If the maf signal is weak it...

Wrong again.

If the maf signal is weak it will not amplify a weak signal and make it weaker. It will do what an amplifier does - amplify it - ie make it bigger which is exactly what you want.
...
Forum: The 75 and ZT Owners Club General Forum 15th February 2013, 22:16
Replies: 10
Views: 742
Posted By Roverron
Egr valves are a common problem on the Navarras I...

Egr valves are a common problem on the Navarras I believe (same applies to most diesels these days) A Synergy 2b is available for the common rail models.

Thanks for the comments.
Forum: The 75 and ZT Owners Club General Forum 15th February 2013, 21:42
Replies: 10
Views: 742
Posted By Roverron
Thanks - now you now what a 1&1mywebsite looks...

Thanks - now you now what a 1&1mywebsite looks like - I can't believe how quick and easy it is to set up a decent website with it.

I'm still keeping the main site as there is too much to transfer...
Forum: The 75 and ZT Owners Club General Forum 15th February 2013, 21:01
Replies: 10
Views: 742
Posted By Roverron
Updated guides

I have added some new guides and updated some others on my new website.

http://www.tuning-diesels.co.uk/guides/

I hope you find them useful.

Ron

PS I'll soon be a 75 diesel owner again...
Forum: Technical Help Forum 15th February 2013, 20:54
Replies: 8
Views: 573
Posted By Roverron
There are some guides on my new website which...

There are some guides on my new website which cover common faults including the maf sensor.
We also stock the 5sided security bits needed for maf removal.
I don't recommend you buy one of the very...
Forum: Technical Help Forum 11th February 2013, 22:49
Replies: 30
Views: 3,502
Posted By Roverron
You said 'insurance friendly' invisible to the...

You said 'insurance friendly' invisible to the naked eye is not necessarily invisible to a suspicious insurance assessor.....

The Synergy is once again being denigrated whilst all I have done is...
Forum: Technical Help Forum 11th February 2013, 22:43
Replies: 30
Views: 3,502
Posted By Roverron
No worries. On a general note, there are a...

No worries.

On a general note, there are a lot of amateurs springing up with cheap programmers off ebay. No insurance, no premises, not vat registered, cheap remap promoted with phrases like...
Forum: Technical Help Forum 11th February 2013, 22:23
Replies: 30
Views: 3,502
Posted By Roverron
With respect, you've missed the point. As I said...

With respect, you've missed the point. As I said in an earlier post, I agree that its up to the individual what type of upgrade they op for - this is not about competitors treading on my toes. The...
Forum: Technical Help Forum 11th February 2013, 22:14
Replies: 30
Views: 3,502
Posted By Roverron
Owners have been known to take off their tuning...

Owners have been known to take off their tuning box after an accident - I recabled one just last week where the owner had cut if off.

Its up to the individual whether whether they tell their...
Forum: Technical Help Forum 11th February 2013, 20:17
Replies: 30
Views: 3,502
Posted By Roverron
I have used Adrian Flux but I've always found it...

I have used Adrian Flux but I've always found it pays to shop around after a year or two.

These companies cover power upgrades although some may charge a mid-term admin fee.

NB the % is the...
Forum: Technical Help Forum 11th February 2013, 14:31
Replies: 30
Views: 3,502
Posted By Roverron
Remappers honesty

Whilst I'm on my high horse!

Anyone trying to tell you that a remap is undetectable is not being honest.

Insurance companies assessors are not stupid and if they can see the vehicle is non...
Forum: Technical Help Forum 11th February 2013, 14:02
Replies: 30
Views: 3,502
Posted By Roverron
I'm not arguing about power figures - I never...

I'm not arguing about power figures - I never have.

But it is not acceptable for one trader to denigrate another's product by using phrases such as "ditch.." It smacks of desperation to get a...
Forum: Technical Help Forum 11th February 2013, 13:22
Replies: 30
Views: 3,502
Posted By Roverron
I beg to differ.. If you don't mind, stop...

I beg to differ..

If you don't mind, stop your 'ditch the Synergy' advice - I don 't slag your products off....

Ron
Forum: Technical Help Forum 28th October 2012, 19:34
Replies: 425
Views: 101,575
Posted By Roverron
Unfortunately, like many engine parts, its not...

Unfortunately, like many engine parts, its not designed to work trouble free and 100% correctly for the life of the vehicle - its produced as cheaply as possible to last the warranty period and no...
Forum: Technical Help Forum 9th May 2012, 17:43
Replies: 27
Views: 1,621
Posted By Roverron
Its due to the wet weather and the poor design of...

Its due to the wet weather and the poor design of the diesels' air intake.

My intake mod mk2 will solve the problem and allow the engine to breath more freely.
...
Forum: Technical Help Forum 9th May 2012, 17:25
Replies: 3
Views: 380
Posted By Roverron
On a petrol motor of that age, I'd suspect the...

On a petrol motor of that age, I'd suspect the lambda sensor but you do need the fault codes read.

Any low cost code reader will work on the petrol models so it is more cost effective to buy one...
Forum: Technical Help Forum 9th May 2012, 17:22
Replies: 27
Views: 1,621
Posted By Roverron
Its most likely due to water being sucked in and...

Its most likely due to water being sucked in and impinging on the maf sensor, affecting the signal. The maf is usually never the same again.

Other mil illuminations are usually maf sensor or...
Forum: Technical Help Forum 19th April 2012, 07:12
Replies: 20
Views: 2,137
Posted By Roverron
[QUOTE=Unclefista;980773] there's absolutely no...

[QUOTE=Unclefista;980773] there's absolutely no way they'd ever know QUOTE]

That's not true although the likelyhood of them investigating is small.

There are companies who specialise in...
Forum: Technical Help Forum 21st February 2012, 21:43
Replies: 38
Views: 2,616
Posted By Roverron
Sorry, but as I said in an earlier post, if your...

Sorry, but as I said in an earlier post, if your negative attitude was typical, there wouldn't be a tuning industry....

Manufacturers are notoriously conservative because they are desperate to...
Forum: Technical Help Forum 20th February 2012, 17:14
Replies: 38
Views: 2,616
Posted By Roverron
Sadly, due to the ever increasing emissions...

Sadly, due to the ever increasing emissions hardware being fitted, tuning diesels is more difficult and the latest ecu's cannot be remapped (currently all VAG diesels) without opening up the ecu...
Forum: Technical Help Forum 20th February 2012, 16:29
Replies: 38
Views: 2,616
Posted By Roverron
NASP petrol engines never give big gains*, but...

NASP petrol engines never give big gains*, but often a bit more mid range torque, better throttle response and improved mpg are possible with a remap.

*as you would expect unless you can get more...
Forum: Technical Help Forum 20th February 2012, 12:50
Replies: 38
Views: 2,616
Posted By Roverron
Thankfully, you're old man views are in the...

Thankfully, you're old man views are in the minority or there wouldn't be much of a tuning industry in the UK!!:)

I'd never drive an 'off the shelf' vehicle - you can always improve them without...
Forum: The 75 and ZT Owners Club General Forum 20th February 2012, 12:41
Replies: 8
Views: 892
Posted By Roverron
You'd be better off with a Synergy 2a or e +...

You'd be better off with a Synergy 2a or e + Pierburgh maf from me.
For £255 you'll get better performance and economy for lttle more than a genuine Bosch maf.
...
Forum: Technical Help Forum 7th January 2012, 08:45
Replies: 1
Views: 447
Posted By Roverron
In tank pump most likely: There is more...

In tank pump most likely:

There is more helpful info on my new faults page here:

http://tuning-diesels.com/75Zt/R75faults.htm

Ron
Forum: Technical Help Forum 3rd December 2011, 11:40
Replies: 33
Views: 3,503
Posted By Roverron
Unlike more recent diesels where stopping the...

Unlike more recent diesels where stopping the engine when a fault is detected, is not an acceptable strategy*, on older systems it happens when the fuel pressure does not reach the expected level. If...
Forum: Technical Help Forum 29th October 2011, 12:31
Replies: 4
Views: 597
Posted By Roverron
If you want to log readings then I'd recommend a...

If you want to log readings then I'd recommend a laptop and a separate interface such as the ELM327 type.

I used a free download of obdlogger to record and produce the charts on my website here: ...
Forum: Technical Help Forum 29th October 2011, 11:42
Replies: 4
Views: 597
Posted By Roverron
https://www.the75andztclub.co.uk/forum/showthread.p...

https://www.the75andztclub.co.uk/forum/showthread.php?t=96413

You'll have to search for the ebay sellers shop as ebay don't now seem to put the item no. on the listing, or if they do I couldn't see...
Forum: Technical Help Forum 29th October 2011, 10:33
Replies: 4
Views: 597
Posted By Roverron
Turbo boost adjustment

I've just added a thread to my forum shop page with some details of where to buy a low cost boost control valve and obd tool for reading the pressure via the diag socket.

Its in the response to...
Forum: Technical Help Forum 29th October 2011, 10:30
Replies: 16
Views: 1,850
Posted By Roverron
Free 5 sided torx bits

Just to remind everyone that you receive a free set of 5 sided torx bits when you buy a Synergy 2 and Pierburgh maf.

Ron
Forum: Technical Help Forum 17th October 2011, 17:02
Replies: 51
Views: 7,809
Posted By Roverron
Watching Ed China replace the pancake airfilter...

Watching Ed China replace the pancake airfilter on an old Mustang (Wheeler Dealers on Discoturbo) reminded me that in the bygone era of carburettors, it was common place for the intake to suck in...
Forum: Technical Help Forum 15th October 2011, 11:49
Replies: 6
Views: 576
Posted By Roverron
He was referring to the engine management system....

He was referring to the engine management system.
Ron
Forum: Technical Help Forum 14th October 2011, 14:32
Replies: 6
Views: 576
Posted By Roverron
Yes, its Bosch. The Synergy is not generic so...

Yes, its Bosch. The Synergy is not generic so whatever it was used on, won't any use on a 75 even if the connectors were changed. (especially if it was previously on a Siemens system)

Ron
Forum: Technical Help Forum 14th October 2011, 14:21
Replies: 13
Views: 1,096
Posted By Roverron
You may find my website's 75 servicing and fault...

You may find my website's 75 servicing and fault finding pages useful.

They cover the correct way to check for leakback and I'm just about to add a photo of a fuel pressure regulator with a...
Forum: Technical Help Forum 14th October 2011, 14:17
Replies: 32
Views: 6,175
Posted By Roverron
A faulty temp sender won't prevent the engine...

A faulty temp sender won't prevent the engine starting.
Even if the ecu thought the temp was very low, it would still start and the automatic idle stabilisation would keep it running (albeit...
Forum: Technical Help Forum 14th October 2011, 14:09
Replies: 6
Views: 576
Posted By Roverron
You would get in touch and I'd tell you I could...

You would get in touch and I'd tell you I could recable and reprogram it for £29.95 for a 75 or ZT.

Pm me if you need any more info.
Ron
Forum: Technical Help Forum 14th October 2011, 08:57
Replies: 425
Views: 101,575
Posted By Roverron
Its each to his own as far as the egr bypass is...

Its each to his own as far as the egr bypass is concerned.

From an emissions viewpoint, the whole idea falls down because the parts are not reliable. The maf goes out of spec and as this is used...
Forum: Technical Help Forum 14th October 2011, 08:47
Replies: 425
Views: 101,575
Posted By Roverron
I've not had any springs for a while, due to...

I've not had any springs for a while, due to losing the part no. You really need to check the pressure via the obd port using a generic code reader that can also display live data.

Ron
Forum: Technical Help Forum 12th October 2011, 11:35
Replies: 51
Views: 7,809
Posted By Roverron
Please beware of spray and flood water being...

Please beware of spray and flood water being sucked in. No vehicle I'm come across has its air intake much lower than bonnet slam panel height.

Recent ones (eg Subaru & DS3) have a water trap...
Forum: Technical Help Forum 9th October 2011, 20:16
Replies: 22
Views: 1,573
Posted By Roverron
Send it back for an overhaul and firmware update....

Send it back for an overhaul and firmware update. (no charge)
The address is

TUNING-DIESELS.COM
13F ARMSTRONG COURT
FREEMAN WAY
ASHINGTON
NE63 0YE

Don't forget to put your name & address...
Forum: Technical Help Forum 9th October 2011, 20:12
Replies: 22
Views: 1,573
Posted By Roverron
What are you on about? The mpg depends on load...

What are you on about?
The mpg depends on load - ie rpm and throttle position so there is no way to equate gear ratio with mpg.
Mpg is also affected by the vehicle mass so a tourer will use more...
Forum: Technical Help Forum 9th October 2011, 18:27
Replies: 22
Views: 1,573
Posted By Roverron
Normally, the mpg is better with a Synergy 2...

Normally, the mpg is better with a Synergy 2 fitted. However it does depend on the setting it is on and also on the condition of the maf sensor.

You didn't need to disconnect it - that's what the...
Forum: Technical Help Forum 6th October 2011, 22:12
Replies: 51
Views: 7,809
Posted By Roverron
That's a fair point. But a simpler way is to...

That's a fair point.
But a simpler way is to try to measure a change in performance with a stop watch (various 20mph increments, not the 0-60 time). If there is none and mpg is also unchanged then...
Forum: Technical Help Forum 6th October 2011, 18:25
Replies: 24
Views: 1,798
Posted By Roverron
£20 yeah right, dream on! But club members...

£20 yeah right, dream on!

But club members do get £10 off or more if you need a maf as well.

Cheers,
Ron
Forum: Technical Help Forum 6th October 2011, 18:01
Replies: 7
Views: 981
Posted By Roverron
Better mpg & performance as well with narrow...

Better mpg & performance as well with narrow section tyres.
Also, watch out for insurance issues with non factory sizes. You know what they are like for finding excuses not to pay out..!
Forum: Technical Help Forum 6th October 2011, 17:58
Replies: 51
Views: 7,809
Posted By Roverron
Too low. What happens if you go through a flood? ...

Too low. What happens if you go through a flood?
Needs to be at headlight height or behind them as others have done.
Ron
Forum: Technical Help Forum 6th October 2011, 17:57
Replies: 51
Views: 7,809
Posted By Roverron
MK2 intake mod.

The Mk2 intake mod is easy to do for those who don't want to start running ducting and one of the reasons for it was to avoid the engine ingesting spray.
Even with the factory deflector modification...
Forum: Technical Help Forum 6th October 2011, 17:48
Replies: 24
Views: 1,798
Posted By Roverron
If you want to liven up the performance then a...

If you want to liven up the performance then a Synergy 2 is what you need.
Check out my website for other service info.

Ron
Ps sorry for the plug, but no one else has mentioned my popular and...
Forum: Technical Help Forum 4th October 2011, 18:13
Replies: 12
Views: 1,506
Posted By Roverron
If your are sure the dtc is maf related, then I'd...

If your are sure the dtc is maf related, then I'd would be surprised because the maf would have to be a long way out of spec to cause them. This would then be apparent as quite noticeable performance...
Forum: Technical Help Forum 4th October 2011, 13:08
Replies: 22
Views: 1,573
Posted By Roverron
Does it suffer from any of the following: ...

Does it suffer from any of the following:

hesitation or delay when pulling away
stalls occasionally when pulling away
flat spot or delay when first opening the throttle from cruising speed
soot...
Forum: Technical Help Forum 4th October 2011, 13:00
Replies: 28
Views: 2,878
Posted By Roverron
You have to use a Rover compatible tool so find a...

You have to use a Rover compatible tool so find a local garage that has a Snap-On, Sykes Pickavant, etc. There is no other way to reset it.
It just cost me £20 at a local independent when my 45's...
Forum: Technical Help Forum 4th October 2011, 12:56
Replies: 12
Views: 1,506
Posted By Roverron
You only have to ask (feel free to pm me and I'll...

You only have to ask (feel free to pm me and I'll reply in a pm or thread).

MAF COMPENSATION:
There are 2 bands - low and medium. Low is selected by using settings 1 to 5 and medium applies when...
Forum: Technical Help Forum 4th October 2011, 12:36
Replies: 4
Views: 540
Posted By Roverron
More likely to be a maf issue. Try disconnecting...

More likely to be a maf issue. Try disconnecting it for a few days.

However it is worth putting in some injector cleaner and avoiding supermarket fuel. Millers Ecomax is the best and available...
Forum: Technical Help Forum 21st August 2011, 14:31
Replies: 6
Views: 684
Posted By Roverron
Roveron on twitter

You can now keep upto date on developments on Twitter:-

http://twitter.com/#!/ROVERRON2

I'll be adding any Synergy related info, feedback, and any tech info relating to engine probs that I come...
Forum: Technical Help Forum 26th July 2011, 19:42
Replies: 425
Views: 101,575
Posted By Roverron
It wouldn't need its own maf because if the car...

It wouldn't need its own maf because if the car could be driven under controlled conditions readings could be compared with those from a known good maf obtained under the same conditions. (ie ones I...
Forum: Technical Help Forum 26th July 2011, 18:17
Replies: 425
Views: 101,575
Posted By Roverron
There are only 2 maf compensation ranges so the...

There are only 2 maf compensation ranges so the choice is one of 3 possibilities - non, low or medium so its not too time consuming to find the right one.
But you did hit the nail on the head when...
Forum: Technical Help Forum 26th July 2011, 11:22
Replies: 425
Views: 101,575
Posted By Roverron
Egr farce

Although Rover can be excused the responsibility for the weaknesses in the egr system and for the Bosch maf's unreliability, these factors do make a mockery of the whole reason for having them.
...
Forum: The 75 and ZT Owners Club General Forum 26th July 2011, 11:09
Replies: 19
Views: 1,284
Posted By Roverron
Thanks to Steve and everyone else for the Synergy...

Thanks to Steve and everyone else for the Synergy 2 endorsements.

Re the Pierburgh running lean - I wasn't aware of this as no one has got back to me so I am more than willing to reprogram them...
Forum: Technical Help Forum 16th July 2011, 17:24
Replies: 4
Views: 1,215
Posted By Roverron
I can't argue with that as my info was from about...

I can't argue with that as my info was from about 2005-6 and things will have moved on since.

ron
Forum: Technical Help Forum 16th July 2011, 16:00
Replies: 8
Views: 897
Posted By Roverron
You'd need one with manufacturer specific...

You'd need one with manufacturer specific abilitysuch as a Sykes Pickavant ACR4, plus Rover V4 pod + harness. About £500 in total so not worthwhile unless you can get a few owners to club together....
Forum: Technical Help Forum 16th July 2011, 15:57
Replies: 4
Views: 1,215
Posted By Roverron
I understood from SP that you can use the 2 line...

I understood from SP that you can use the 2 line units but just have to scroll down to see the other lines.

If I find my SP catalogue I'll check to see if the v3 does cover the 75/ZT.
Ron
Forum: Technical Help Forum 16th July 2011, 15:55
Replies: 0
Views: 447
Posted By Roverron
Dirty fuel syndrome

We get many calls from owners of tuned and standard Rover diesels because their garage cannot diagnose various engine problems such as rough running, hesitation, poor performance, bad idling, cutting...
Forum: Technical Help Forum 11th April 2011, 16:11
Replies: 4
Views: 928
Posted By Roverron
The MIL can come on for any number reasons but in...

The MIL can come on for any number reasons but in my experience the commonest ones that come and go are:
a) Maf sensor signal
b) Fuel pressure at the filter head low.
c) Egr valve sticking, or...
Forum: Technical Help Forum 25th March 2011, 09:59
Replies: 26
Views: 2,832
Posted By Roverron
Just make sure the feedback is good as some of...

Just make sure the feedback is good as some of them are a poor fit. The exhaust supply must be blanked off properly and without straining the flexipipe which will break if the fit is poor.

Ron
Forum: Technical Help Forum 18th March 2011, 10:08
Replies: 12
Views: 1,246
Posted By Roverron
Yes, I forgot to mention injectors (poor spray...

Yes, I forgot to mention injectors (poor spray pattern) and also the intercooler seals.
Recently we've had reports of poor fuel or perhaps its the increase in biodiesel content dissolving the gunge...
Forum: Technical Help Forum 17th March 2011, 20:55
Replies: 12
Views: 1,246
Posted By Roverron
The pcv valve is a major culprit where smoke is...

The pcv valve is a major culprit where smoke is concerned. It MUST be replaced by the BMW once the mileage is over about 80k or more than 5years old. (BMW have made it a service item and so too would...
Forum: The 75 and ZT Owners Club General Forum 17th March 2011, 20:47
Replies: 8
Views: 742
Posted By Roverron
if its underfuelling as is the norm, then just...

if its underfuelling as is the norm, then just disconnect it temporarily.
You'll notice the difference within a few yards.
Ron
Forum: Technical Help Forum 17th March 2011, 19:44
Replies: 12
Views: 1,246
Posted By Roverron
No Synergy owner has had a problem and I already...

No Synergy owner has had a problem and I already knew the smoke readings were reduced by a Synergy from customer feedback.
We tend to only get competitors who sell remaps making their "boxes just...
Forum: Technical Help Forum 17th March 2011, 18:41
Replies: 12
Views: 1,246
Posted By Roverron
Synergy & smoke test

We've just taken delivery of a £2600 portable Smoke Tester to prove to anyone that our products don't cause MOT failiure and indeed, will reduce smoke emissions.

We did a test on our Vectra...
Forum: The 75 and ZT Owners Club General Forum 17th March 2011, 18:33
Replies: 8
Views: 742
Posted By Roverron
Genuine Bosch ones are £90 - I wish! Phone your...

Genuine Bosch ones are £90 - I wish!
Phone your nearest Bosch agent and find out the true price - nearer double that. Trade price is £135+vat.

Ron
Forum: The 75 and ZT Owners Club General Forum 4th March 2011, 08:24
Replies: 3
Views: 932
Posted By Roverron
Hello Leander, 1) The figure quoted is...

Hello Leander,
1) The figure quoted is approximate - no reputable company will quote an absolute figure though we can tweak the file to give more or less*.

2) You'd need to visit a dyno BEFORE...
Forum: The 75 and ZT Owners Club General Forum 25th February 2011, 13:08
Replies: 3
Views: 932
Posted By Roverron
I just want to make it clear that the £199 is a...

I just want to make it clear that the £199 is a special price for club members and applies when you bring the vehicle to us and leave it for a couple of hours. Normal remapping charge is £295.
...
Forum: Technical Help Forum 17th February 2011, 07:50
Replies: 31
Views: 2,780
Posted By Roverron
Those vibes are probably due to an incorrect maf...

Those vibes are probably due to an incorrect maf signal.

My 75 was as smooth as silk from 1000rpm but buzzy vibes at 1800rpm were noticeable (mainly through the steering wheel) if I had not set...
Forum: The 75 and ZT Owners Club General Forum 15th February 2011, 18:14
Replies: 3
Views: 932
Posted By Roverron
REMAPS for the CDT/CDTI

Just to let everyone know that as well as the Synergy 2a/e, we can also remap your cdt/cdti for £199.

You can choose either or both, or if you already have a Synergy 1 or 2 a or e fitted, a remap...
Forum: Technical Help Forum 11th February 2011, 13:20
Replies: 9
Views: 836
Posted By Roverron
The T4 will show whether the maf is overfuelling....

The T4 will show whether the maf is overfuelling. This is probably the commonest cause of very poor mpg although you should probably not expect a massive improvement.
Such short jouneys are not...
Forum: Technical Help Forum 9th February 2011, 14:39
Replies: 14
Views: 2,033
Posted By Roverron
Russ, have you measured one with an egr bypass...

Russ, have you measured one with an egr bypass fitted?
I suspect these alter the airflow and will give different readings.

Ditto with my intake mod mk2?

Also, even with a Pierburgh maf, good...
Forum: Technical Help Forum 9th February 2011, 10:46
Replies: 14
Views: 2,033
Posted By Roverron
Very informative Russ and does prove that the maf...

Very informative Russ and does prove that the maf signal calibration is ridiculously sensitive. How they thought any make of maf could produce such an accurate reading reliably over the long term is...
Forum: Technical Help Forum 9th February 2011, 10:39
Replies: 14
Views: 2,033
Posted By Roverron
Pity its so expensive and quite a few who own it...

Pity its so expensive and quite a few who own it don't know/ can't be bothered to use it properly.

Ron
Forum: Technical Help Forum 31st January 2011, 13:12
Replies: 425
Views: 101,575
Posted By Roverron
Many owners have gone from a clean egr to a...

Many owners have gone from a clean egr to a bypass and have commented on the difference.
Its not realistic to expect everyone to stick their vehicle on a dyno everytime they do something to it. ...
Forum: Technical Help Forum 31st January 2011, 11:26
Replies: 425
Views: 101,575
Posted By Roverron
Unless you have tried a bypass, then you cannot...

Unless you have tried a bypass, then you cannot comment on the value of one.
There is a discerible difference between a clean, disabled one and a bypass.

However, its entirely up to the...
Forum: Technical Help Forum 3rd January 2011, 20:33
Replies: 425
Views: 101,575
Posted By Roverron
Its okay to do either, or even just clean it and...

Its okay to do either, or even just clean it and leave it connected.

Don't for get to chaneg the pcv valve.

Jules, do you stock these (pcv valves) now? If so I will pass any enquiries on to...
Forum: Technical Help Forum 3rd January 2011, 20:28
Replies: 31
Views: 2,780
Posted By Roverron
My X-type was like that. It was very quiet when...

My X-type was like that.
It was very quiet when stone cold first thing in the morning, then after about 1/2, mile became very knocky, then got quieter as it warmed up. However it never was as quiet...
Forum: Technical Help Forum 3rd January 2011, 20:22
Replies: 6
Views: 781
Posted By Roverron
You could replace the solenoid with a resistor....

You could replace the solenoid with a resistor. (you can't disconnect it or the mil will come on).

I'd be tempted to try a 27ohm 20watt power resistor - the value is probably not that critical (or...
Forum: Technical Help Forum 3rd January 2011, 20:16
Replies: 8
Views: 677
Posted By Roverron
Please explain as I have had no feedback to...

Please explain as I have had no feedback to support this.

The Pierburgh maf's are not everlasting and it is possible that Marc.t1s is overfuelling the engine and if less than 12months old, will be...
Forum: Technical Help Forum 7th October 2010, 09:58
Replies: 42
Views: 5,632
Posted By Roverron
Its pointless revving it in neutral as the load...

Its pointless revving it in neutral as the load and therefore fuel flow is little more than when idling.

Of all engines, the BMW one is very strong and reliable and as BMW produce performance...
Forum: Technical Help Forum 6th October 2010, 08:44
Replies: 42
Views: 5,632
Posted By Roverron
The injector opening time is just what it needs...

The injector opening time is just what it needs to be to either maintain a constant speed or provide whatever demand the driver is requesting via the accelerator. So the ecu doesn't compensate as...
Forum: Technical Help Forum 5th October 2010, 09:14
Replies: 42
Views: 5,632
Posted By Roverron
That would tend to point to another component -...

That would tend to point to another component - in order of cost and probability.

Crank pulley

engine mounts

dual mass flywheel

Also be worth checking the exhaust flexipipe and exhaust...
Forum: Technical Help Forum 5th October 2010, 09:10
Replies: 42
Views: 5,632
Posted By Roverron
Smile You are still wrong! The fuel pressure does...

You are still wrong!

The fuel pressure does NOT remain constant - believe me I logged it 5years ago when developing the Synergy. It increases with rpm even on full throttle and levels out only at...
Forum: Technical Help Forum 3rd October 2010, 10:24
Replies: 46
Views: 6,078
Posted By Roverron
You forget the warranty & after sales service. ...

You forget the warranty & after sales service.

I do not leave you without a maf whilst yours is sent off for testing or ask you to pay for an engineers report to prove its faulty...

So you may...
Forum: Technical Help Forum 3rd October 2010, 09:34
Replies: 42
Views: 5,632
Posted By Roverron
I cannot argue with the fitting of the Bosch maf...

I cannot argue with the fitting of the Bosch maf and switching off the Synergy2's maf compensation other than on the grounds of cost.

So if you have a Synergy 2, then a Pierburg maf is £71.65 inc...
Forum: Technical Help Forum 3rd October 2010, 08:09
Replies: 42
Views: 5,632
Posted By Roverron
DON'T AGREE. So the injectors aren't working...

DON'T AGREE.

So the injectors aren't working any harder - well they're opening alot more often, and experiencing higher fuel pressure the higher the rpm and torque demand. That suggests they are...
Forum: Technical Help Forum 2nd October 2010, 11:02
Replies: 12
Views: 1,239
Posted By Roverron
It won't have a Pierburgh maf unless there is a...

It won't have a Pierburgh maf unless there is a mafam fitted as its a Merc part and needs either a Synergy 2 or mafam MF75p.

If there are no major flat spots, hesitations, smoke or very poor mpg...
Forum: Technical Help Forum 2nd October 2010, 10:59
Replies: 23
Views: 1,547
Posted By Roverron
He aslo doesn't say where its driven, load...

He aslo doesn't say where its driven, load carried, saloon or tourer.

20mpg for an auto tourer driven entirely around town is probably not unthinkable.

Ron
Forum: Technical Help Forum 2nd October 2010, 10:56
Replies: 42
Views: 5,632
Posted By Roverron
As has been suggested, it could be a fault maf,...

As has been suggested, it could be a fault maf, but also a dribbling injector.

If the maf test proves inconclusive put a couple of bottles of injector cleaner in the fuel and give the car a...
Forum: Technical Help Forum 2nd October 2010, 10:52
Replies: 46
Views: 6,078
Posted By Roverron
I get mine from GSF and you are quite welcome to...

I get mine from GSF and you are quite welcome to go behind my back !! (they have many local branches - check theior website for details)

I buy in quantity so will pay less than their one-off...
Forum: Technical Help Forum 1st October 2010, 11:58
Replies: 46
Views: 6,078
Posted By Roverron
Officially the 029 isn't available other than in...

Officially the 029 isn't available other than in the housing so dealers cannot have surplus stock either.
I still suspect that the ones on ebay are warranty returns that have been removed from the...
Forum: Technical Help Forum 1st October 2010, 11:30
Replies: 46
Views: 6,078
Posted By Roverron
029 is the correct part, 032 isn't. Some people...

029 is the correct part, 032 isn't. Some people in the trade seem to think it doesn't make a lot of difference so long as the result is an improvement on a very poor maf....
I've tried many...
Forum: Technical Help Forum 29th September 2010, 18:26
Replies: 46
Views: 6,078
Posted By Roverron
My advice is to question why a Bosch part is...

My advice is to question why a Bosch part is delivered in a non Bosch box, which is not sealed.

I would also carefully examine for signs of screw marks around the fixing holes, dirt on the 'o'...
Forum: Technical Help Forum 29th September 2010, 17:59
Replies: 46
Views: 6,078
Posted By Roverron
Smile No, he's saying he'll supply me! I would...

No, he's saying he'll supply me!

I would charge the same as Eurocarparts.

It will be genuine Bosch though.

Still cheaper to use a Pierburgh and Synergy 2 (£262), than a Bosch and Synergy 1....
Forum: Technical Help Forum 29th September 2010, 16:13
Replies: 46
Views: 6,078
Posted By Roverron
My supplier (a major parts stockist) replied to...

My supplier (a major parts stockist) replied to my forwarding him the link...

"It would appear the sensor is either a cheap copy or Meat and Doria as they are the only one doing them, check on the...
Forum: The 75 and ZT Owners Club General Forum 17th September 2010, 08:21
Replies: 11
Views: 951
Posted By Roverron
I personally haven't heard of anyone blowing...

I personally haven't heard of anyone blowing their engine but the clutch and transmission will have a harder time especially if you are harsh. So you need to feed in the power progressively and not...
Forum: The 75 and ZT Owners Club General Forum 16th September 2010, 16:23
Replies: 11
Views: 951
Posted By Roverron
The remaps tend not to work as well as a Synergy...

The remaps tend not to work as well as a Synergy below 2000rpm but overall with both the performance should be in another league. It was on my X-type - that was unbeleivable for a heavy 2L diesel....
Forum: The 75 and ZT Owners Club General Forum 16th September 2010, 16:10
Replies: 11
Views: 951
Posted By Roverron
A Pierburgh maf is £73.95 inc postage to Sweden...

A Pierburgh maf is £73.95 inc postage to Sweden (sending one not a problem).
Ron
Forum: Social Forum 16th September 2010, 13:30
Replies: 11
Views: 1,248
Posted By Roverron
Your stretching credibilty to say the C3 bears...

Your stretching credibilty to say the C3 bears any relationship to the ancient ZX other than the Citroen badge and logo!

Things have moved on thank goodness, and modern cars are a lot stronger and...
Forum: Social Forum 16th September 2010, 12:47
Replies: 11
Views: 1,248
Posted By Roverron
Sadly we can't do the v6 but can do the mems3...

Sadly we can't do the v6 but can do the mems3 1.4, 1.6, 1.8 and 1.8Turbo

Shame.
Ron
Forum: The 75 and ZT Owners Club General Forum 16th September 2010, 12:46
Replies: 11
Views: 951
Posted By Roverron
Its just a maf issue. Fit a pierburgh and use the...

Its just a maf issue. Fit a pierburgh and use the higher settings on the Synergy 2.
No remap will work properly if there's a maf issue and without the Synergy 2 you'd have to buy a genuine Bosch one...
Forum: Social Forum 16th September 2010, 07:40
Replies: 11
Views: 1,248
Posted By Roverron
I will find out if we can remap the v6. Ron

I will find out if we can remap the v6.

Ron
Forum: Social Forum 16th September 2010, 07:38
Replies: 11
Views: 1,248
Posted By Roverron
No, there's no major turbo lag, it pulls smoothly...

No, there's no major turbo lag, it pulls smoothly from 1500rpm to 550rpm like a larger nasp engine, but after being remapped the torque keeps on building so it feels more like a turbo engine.

You...
Forum: Social Forum 15th September 2010, 22:30
Replies: 11
Views: 1,248
Posted By Roverron
Its based on a C3 but aimed at the Mini buyer. ...

Its based on a C3 but aimed at the Mini buyer.
Citroen have done a great job on the chassis, brakes, and engine, build quality is good although not in the VW/Audi league but I bought it for the...
Forum: Technical Help Forum 15th September 2010, 22:05
Replies: 46
Views: 6,078
Posted By Roverron
I have no problem with owners fitting the oem...

I have no problem with owners fitting the oem part, but £80 will not buy you one.

Bosch's website warns about counterfeit parts....

The problem with them is that you cannot rely on them working...
Forum: Social Forum 15th September 2010, 19:28
Replies: 11
Views: 1,248
Posted By Roverron
BOY'S TOY lucky boy..

Well I never thought I'd do it.

But I am now driving a petrol turbo.
Its a Citroen DS3 1.6 Dsport, direct injection BMW engine, 154bhp, max torque of 177lbs ft at (wait for it) 1400rpm! That's...
Forum: Technical Help Forum 15th September 2010, 19:18
Replies: 6
Views: 1,678
Posted By Roverron
A code reader is a very handy piece of kit and...

A code reader is a very handy piece of kit and for £99 could pay for itself after a couple of uses compared to paying a garage to do it.
Forum: Technical Help Forum 15th September 2010, 19:14
Replies: 46
Views: 6,078
Posted By Roverron
Pierburgh do NOT make a repalcement for the Bosch...

Pierburgh do NOT make a repalcement for the Bosch one used on this engine.
You can check their website.
They DO now make one for the 25/45/Zr/ZS and we stock this - its half the price of a Bosch...
Forum: Technical Help Forum 15th September 2010, 19:03
Replies: 6
Views: 1,678
Posted By Roverron
I replied to your pm re code readers. ...

I replied to your pm re code readers.

Possibly your lambda sensor is borderline and the weaker lpg is causing it to produce an incorrect signal. The garage should have been able to tell you the...
Forum: The 75 and ZT Owners Club General Forum 25th February 2010, 19:01
Replies: 14
Views: 1,841
Posted By Roverron
None taken. I looked high and low for a...

None taken.

I looked high and low for a better looking switch but wanted to avoid drilling holes.
The current ones use a 3 pos toggle switch rather than the rocker type in the photo. (same...
Forum: The 75 and ZT Owners Club General Forum 25th February 2010, 13:17
Replies: 14
Views: 1,841
Posted By Roverron
Charming!:( All my efforts to keep it...

Charming!:(

All my efforts to keep it compact and avoid drilling the dash has been for nowt!:)

If you order, don't forget to request the dash switch Synergy or there won't be a socket to...
Forum: Technical Help Forum 25th February 2010, 13:12
Replies: 13
Views: 1,090
Posted By Roverron
Could just be poor fuel if its worse under load...

Could just be poor fuel if its worse under load (diesel knock).

Or the old fuel ine resonance which I don't think anyone ever found a cure for.

Ron
Forum: Technical Help Forum 25th February 2010, 13:09
Replies: 5
Views: 1,186
Posted By Roverron
A lot of the ones on Ebay are not the right part....

A lot of the ones on Ebay are not the right part. I think some sellers assume that if it looks like the the right one, it will be be!

Even the part sold by Intermotor/SMP Europe isn't right. They...
Forum: Technical Help Forum 6th February 2010, 13:43
Replies: 78
Views: 9,378
Posted By Roverron
You do NOT need to have a full system. Any...

You do NOT need to have a full system. Any exhaust centre can cut out the cat and weld in another or a straight through pipe.

I think measuring the boost pressure is next. If this is okay then...
Forum: Technical Help Forum 6th February 2010, 11:18
Replies: 78
Views: 9,378
Posted By Roverron
One other thing has sprung to mind and thats a...

One other thing has sprung to mind and thats a collapsed cat. Its also rare but by blocking the exhaust it will cause boost pressure reduction.

Have you check this via the obd port on the road?
...
Forum: Technical Help Forum 6th February 2010, 09:04
Replies: 78
Views: 9,378
Posted By Roverron
The Synergys have been on sale for 5 years and I...

The Synergys have been on sale for 5 years and I am very pleased with the negligible reliability problems or I wouldn't be providing a 5year warranty!

I suspect that some of the under 1% that do...
Forum: Technical Help Forum 6th February 2010, 08:57
Replies: 78
Views: 9,378
Posted By Roverron
Are you sure it is not the fuel but lack of air...

Are you sure it is not the fuel but lack of air that is responsible for the smoke?

The Synergy 1 or 2 do not cause significant smoke if all the usual culprits have been eliminated - egr, pcv,...
Forum: The 75 and ZT Owners Club General Forum 18th January 2010, 16:21
Replies: 4
Views: 1,385
Posted By Roverron
Synergy Imitations

A Hull company has been selling a Synergy box. They stuck my brand name on one of their existing products, having registered it as their trademark.
Had I known I'd have been able to prevent them...
Forum: Technical Help Forum 18th January 2010, 14:39
Replies: 425
Views: 101,575
Posted By Roverron
Vauxhall, Saabs and Fiats suffer from big...

Vauxhall, Saabs and Fiats suffer from big problems cause by the egr system. The egr valve is over £200 and the problems can also afflict the dpf.

Fiat have now released a blanking plate for the...
Forum: Technical Help Forum 18th January 2010, 14:34
Replies: 4
Views: 664
Posted By Roverron
Pm me your address and I'll post you one (foc). ...

Pm me your address and I'll post you one (foc).

Remember that the arrow on the switch body visible through the hole must point in exactly the opposite direct to the one on the knob. Ie if the...
Forum: The 75 and ZT Owners Club General Forum 18th January 2010, 14:31
Replies: 4
Views: 1,385
Posted By Roverron
Changes at Tuning-diesels (Roverron tuning)

A brief update about changes at Tuning-diesels.com, that mean my sister company energytuning.co.uk being responsible for sales and production of the Synergy 1cr, Vp, & Pd and mafams as well as its...
Forum: Technical Help Forum 10th January 2010, 09:09
Replies: 6
Views: 691
Posted By Roverron
Don't buy one. This polish guy is copying Dave's...

Don't buy one. This polish guy is copying Dave's and has hijacked photos from my website without permission.

Big Russ has the link to Dave's.

Ron
Forum: Technical Help Forum 10th January 2010, 09:07
Replies: 10
Views: 2,444
Posted By Roverron
The BMW 318s (114-120bhp) use essentially the...

The BMW 318s (114-120bhp) use essentially the same engine as the 75/ZT/TD4 but the higher power ones have uprated internals, a larger intercooler, motorised intake swirl flaps and vnt turbo, probably...
Forum: Technical Help Forum 10th January 2010, 08:59
Replies: 425
Views: 101,575
Posted By Roverron
I'd fit one of Dave's (evotomturbo on ebay) not...

I'd fit one of Dave's (evotomturbo on ebay) not the Polish ones.
Then it ceases to be something that will need attention in the future.
They now come with a boost pressure gauge take off.

Don't...
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