LCR stutters at low revs

[Duckyyst]

Any help why my LCR has started stuttering at low revs and like it loses power for a few seconds?
Say I'm in second gear low revs and go to accelerate some times it has a big stutter/loss of power, I throttle of or change gear it clears,
If I plant my foot there's a delay and then gets a pop out the exhaust?
All input welcome!
Cheers,
Jack


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[Duckyyst]

Anyone?


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[mty12345]

Scan it for fault codes and check for any leaks in the pcv system and vacuum pipes.

 

[Duckyyst]

Pcv been removed with catch tank, no faults showing


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[Duckyyst]

Can now fully won't start, came to a holt like it was out of fuel


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[mty12345]

Hi again mate.

First of all is the cambelt ok? It's easy enough to remove the top plastic cover to have a look, if that is fine then the fuel pump would be the first suspect for me.

If that was failing, then that would cause the hesitation and popping you had in your first post. All the times that you said it was happening are the times of highest fuel demand on the pump.

Obviously if it's totally failed now, then that would be like running out of fuel too. Can you hear it prime when you open the drivers door after unlocking the car?

Edit: the fuel pump relay could also be the cause, but the popping and hesitation would definitely make me think the pump rather than the relay.

 

[Duckyyst]

Yeah can hear it priming, changed fuel filter today and it was full of fuel so to me sounds like it's working


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[Duckyyst]

Haven't bam engined got timing chains?


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[mty12345]

Not that i'm aware of buddy, i've never owned the LCR but i'm 99.9% sure its a belt on every 1.8t engine,

 

[Duckyyst]

Haha my bad! I genuinely had a picture of my old bmw engine in my head


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[mty12345]

No worries, i'd check the belt and then if thats ok i would still suspect the pump. Maybe its priming etc but can't provide the pressure needed for the injectors? ...... Would definitely suspect fuel or timing given the issues.

 

[Duckyyst]

I've also got a wire coming off the harness of injector 4 that goes through to the bulk head? Can't see it on any other engines I've seen ?


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[mty12345]

That's pretty strange, there shouldn't be any wire going through there on a standard car. I can't imagine why anyone would want to install one. You'll have to put some pics up mate. Start a new thread on the main page for it, this is the FAQ's. You need to use the "start new thread" box at the bottom of the main forum page, not the top box. I'm not sure why they designed the layout like that as nearly everyone has made the same mistake

 

[Duckyyst]

Okay mate I'll get some pictures tomorrow ! Cheers for the help


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[mty12345]

No worries

 

[Duckyyst]

Sorted!!!! Looked at the fuel pump and it has blew a pipe of ! Thewwww easy fix!


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[mty12345]

Glad you got it sorted mate Thought it must be fuel pump related some how.

 

[Duckyyst]

Thank god! Still got stuttering when it's under quarter of a tank tho


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