75 cdt cut out in use now not starting

setter · 23rd January 2018, 15:17

after 10 years my dependable tourer now refuses to start , driving ok then cut out , replaced intank pump ...then noticed on locking with all doors and bonnet closed warning horn sounds ? , had a reader plugged into it and ecu not responding to it ....plenum chamber always cleaned out in my ownership , hope someone has a clue how to fix it .....new flywheel and clutch 6 months ago shame to scrap

Lee T · 23rd January 2018, 16:07

Is your rev counter moving when you crank the engine?

setter · 23rd January 2018, 20:19

yes it is and have replaced cam sensor ...not tried crank sensor yet

klarzy · 23rd January 2018, 20:32

Bus controller issue stopping high speed system coms??
Ecu out and checked by a guru??

setter · 23rd January 2018, 20:55

good idea , will remove in morning ....just found a specialist locally on the net ...thanks for that , cant afford to keep using my RR P38 4.6

Mike Noc · 23rd January 2018, 22:17

Try disconnecting the outlet pipe from the UBP where it enters the fuel filter and place in a large jar. Turn the key to position II and you should get a good strong flow of fuel for 30 seconds to 1 minute.

If you don't then likely a fuel supply fault on the low pressure side.

If that checks out then an injector leakback test will show if you have one or more leaking injectors.

Assuming the ECM is OK you might have a fault on the high pressure fuel side - the O ring on the fuel pressure regulator can fail.

What type of code reader did you use? The generic OBDII types won't communicate with the earlier diesels.

klarzy · 25th January 2018, 06:40

Quote:

Originally Posted by setter

good idea , will remove in morning ....just found a specialist locally on the net ...thanks for that , cant afford to keep using my RR P38 4.6

Don't use expensive net companies...

Contact marinabrian or phil-t4 on this very forum...

RPWC · 25th January 2018, 07:00

Quote:

Originally Posted by klarzy

Don't use expensive net companies...

Contact marinabrian or phil-t4 on this very forum...

Not forgetting Big Russ, All the T4 operators on this forum offer a postal service for the EC U repair. Send a pm to any of them .

Marinabrian
BigRuss
Phil-T4
Brian is in Tyneside, Russ in west Yorkshire, and Phil in Milton Keynes

rustymotor · 25th January 2018, 07:02

You could try a light blast of easy start or lighter fuel, if tries to fire points to a fuel problem..if not then you would have to look for the fault..

marinabrian · 25th January 2018, 17:19

Quote:

Originally Posted by setter

good idea , will remove in morning ....just found a specialist locally on the net ...thanks for that , cant afford to keep using my RR P38 4.6

I offer a rapid testing/repair/exchange ECM service, in terms of quality, well let's just say it will work and at a price which won't have you crying into your beer

Here is one I did earlier, but without the two middlemen, the cost is less than half that listed, but with the same warranty

LINK

Brian

23rd January 2018, 15:17	#1
setter Newbie rover 75 tourer /Armstrong Siddeley Star Sapphire 1960 / mg zt-t tourer facelift Join Date: Jul 2012 Location: isle of wight Posts: 11 Thanks: 13 Thanked 9 Times in 2 Posts	75 cdt cut out in use now not starting after 10 years my dependable tourer now refuses to start , driving ok then cut out , replaced intank pump ...then noticed on locking with all doors and bonnet closed warning horn sounds ? , had a reader plugged into it and ecu not responding to it ....plenum chamber always cleaned out in my ownership , hope someone has a clue how to fix it .....new flywheel and clutch 6 months ago shame to scrap

23rd January 2018, 16:07	#2
Lee T Gets stuck in MG ZT Join Date: Jul 2014 Location: Liverpool Posts: 866 Thanks: 180 Thanked 248 Times in 189 Posts	Is your rev counter moving when you crank the engine? __________________ [SIGPIC][/SIGPIC]

23rd January 2018, 20:32	#4
klarzy This is my second home none but not gone Join Date: Mar 2013 Location: March, Cambs Posts: 16,437 Thanks: 894 Thanked 4,247 Times in 3,025 Posts	Bus controller issue stopping high speed system coms?? Ecu out and checked by a guru?? __________________ [SIGPIC][/SIGPIC]….All praise Bananaswan….

23rd January 2018, 20:19	#3
setter Newbie rover 75 tourer /Armstrong Siddeley Star Sapphire 1960 / mg zt-t tourer facelift Join Date: Jul 2012 Location: isle of wight Posts: 11 Thanks: 13 Thanked 9 Times in 2 Posts	yes it is and have replaced cam sensor ...not tried crank sensor yet

23rd January 2018, 20:55	#5
setter Newbie rover 75 tourer /Armstrong Siddeley Star Sapphire 1960 / mg zt-t tourer facelift Join Date: Jul 2012 Location: isle of wight Posts: 11 Thanks: 13 Thanked 9 Times in 2 Posts	good idea , will remove in morning ....just found a specialist locally on the net ...thanks for that , cant afford to keep using my RR P38 4.6

23rd January 2018, 22:17	#6
Mike Noc This is my second home Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009 Location: Hampshire Posts: 11,556 Thanks: 3,470 Thanked 3,119 Times in 2,247 Posts	Try disconnecting the outlet pipe from the UBP where it enters the fuel filter and place in a large jar. Turn the key to position II and you should get a good strong flow of fuel for 30 seconds to 1 minute. If you don't then likely a fuel supply fault on the low pressure side. If that checks out then an injector leakback test will show if you have one or more leaking injectors. Assuming the ECM is OK you might have a fault on the high pressure fuel side - the O ring on the fuel pressure regulator can fail. What type of code reader did you use? The generic OBDII types won't communicate with the earlier diesels.

25th January 2018, 07:02	#9
rustymotor Posted a thing or two Rover 75 Tourer Join Date: May 2017 Location: Hull Posts: 1,848 Thanks: 216 Thanked 432 Times in 340 Posts	You could try a light blast of easy start or lighter fuel, if tries to fire points to a fuel problem..if not then you would have to look for the fault..