|
||
|
15th February 2019, 11:30 | #1 |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
Location: Aberdeenshire
Posts: 2,886
Thanks: 352
Thanked 677 Times in 440 Posts
|
Intermittent Slightly Sluggish Start 1.8T
Very unusually for my runabout, these last few weeks I have been experiencing a sluggish start before the engine catches when the engine is cold. This occurs in very low outside temp and when relatively warm, perhaps 1 in 6 start ups are sluggish.
The engine runs perfectly right up to the redline once running. Excellent fuel pressure reading (not backed off or extruded elastomer at the filter housing) at shraeder valve and before the inlet manifold. Initially I thought it was the fuel pump relay, due to my perceived lack of prime when turning the engine to ignition switch to position II, but it turns out I was getting prime. I changed the fuel pump relay out as a matter of course but this has made no perceivable difference. I have not run T4 diagnostics yet, but now I am focusing on the cam or crank sensor. Anybody have any comments on this scenario? |
15th February 2019, 12:16 | #2 |
This is my second home
2005 Connoisseur SE 1.8 Turbo,2004 45 1.8 Connoisseur and my beloved 1998 VVC Coupe. Join Date: Nov 2009
Location: Derby.
Posts: 8,756
Thanks: 2,022
Thanked 1,016 Times in 739 Posts
|
I had a similar scenario with my 45 in very cold weather. I was in the habit of letting the fuel run very low before filling up. On occasions it struggled to start and it briefly brought the EML on. I took a fault code reading and it came back as fuel starvation and misfire on 3. I put a new set of plugs in and made sure I didn't let the tank run so low and haven't had a problem since.
__________________
|
15th February 2019, 12:26 | #3 | |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
Location: Aberdeenshire
Posts: 2,886
Thanks: 352
Thanked 677 Times in 440 Posts
|
Quote:
|
|
15th February 2019, 15:12 | #4 |
Posted a thing or two
zt saloon turbo Join Date: Sep 2015
Location: Tipton
Posts: 1,461
Thanks: 1
Thanked 167 Times in 132 Posts
|
Would have thought it was quite normal in the cold weather tbh.
Sent from my iPhone using Tapatalk |
15th February 2019, 15:53 | #5 | |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
Location: Aberdeenshire
Posts: 2,886
Thanks: 352
Thanked 677 Times in 440 Posts
|
Quote:
Every now and again I get a little delay before it fires up independent of whether it is cold or hot outside temperature. Last edited by Lovel; 15th February 2019 at 15:56.. |
|
15th February 2019, 16:59 | #6 |
This is my second home
R75 Saloon. Join Date: Feb 2009
Location: France/or Devon.
Posts: 14,003
Thanks: 3,851
Thanked 2,167 Times in 1,816 Posts
|
Sluggish starts ???----You've not mentioned the battery.
Bit low on charge ??? Needs at least 12.8 volts for a fast start. Multi-meter time.--- |
15th February 2019, 17:21 | #7 |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
Location: Aberdeenshire
Posts: 2,886
Thanks: 352
Thanked 677 Times in 440 Posts
|
The motor turns over as fast as ever, it just needs a fraction of a second more to start to my ear, and something is going. It never failed to start in the recent minus temps we had constantly up here for some weeks. However I agree a good battery can make all the difference, and you may be right The battery is some years old and this may be a factor.
|
16th February 2019, 12:28 | #8 |
I really should get out more.......
P6B, L550, Imp, F56, Commando Join Date: Nov 2006
Location: Aberdeenshire
Posts: 2,886
Thanks: 352
Thanked 677 Times in 440 Posts
|
12.1v this morning so a new battery it is then.
|
16th February 2019, 13:41 | #9 |
I really should get out more.......
Rover 75 connoisseur se v6 auto Join Date: May 2014
Location: Hull
Posts: 2,063
Thanks: 1,842
Thanked 623 Times in 469 Posts
|
Pleased to have seen this post - my car has been slightly hesitant on startup - nothing on OBD - so just been out with the multimeter - and it reads 12.10 -12.11 - so a new battery - a bit miffed as the battery is a Varta and only just over 2 years old.
__________________
She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide. |
16th February 2019, 14:11 | #10 |
This is my second home
Roverless + 1.7D Sportage Join Date: Aug 2014
Location: East Norfolk
Posts: 7,050
Thanks: 729
Thanked 2,021 Times in 1,449 Posts
|
Inlet manifold gasket leak comes to mind. Any misfire and white smoke on start up? Things usually clear once the engine warms and the coolant is expelled from the cylinder/s.
__________________
Oil in my veins! |
Thread Tools | |
Display Modes | |
|
|