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Discussion Starter · #1 ·
Hi all. Hoping i can get some assistance.

Problem:
When cold car starts but engine shakes like crazy. The cabin also shakes. There is also white smoke from exhaust.
When car is left to warm up the engine will idle as normal and the smoke will stop as if nothing is wrong with the car.
When revving at around 1500 the car/engine still shakes but anything below or over it revs fine.

diagnosis: the only code present was “glow plug relay sense circuit” P037D-00

i replaced the glow plug relay but no difference. What i can say is the code never came back up even after putting in the old sensor which was strange.

next i replaced all 4 glow plugs with bosch ones. Again no difference.

next i took out all injectors and one of them looked to be dry with lots of gunk/rust. I cleaned all 4 and again i still have same issue.

Does anyone know what the issue could be? Is it more likely to be a faulty injector, head gasket, egr valve?
 

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29,809 Posts
Faulty injector? Try a leakoff test on them.
 
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