BMW 3 Series engine revs up and down to 2500rpm.
Variant: 318ci 2.0
Model Year: 2002
Categories:
Running Rough, Starting & Power Loss
Please could you help me. I have a bmw E46 318ci its a 2 litre engine and when the car warms up and the cars idle at 1000rpm it keeps reving upto 2500rpm and back down to 1000rpmthere are no manage light indications showing.it doesnt cut out the engine.
thanks faz.
thanks faz.
Posted: May 2, 2009 (15 years ago)
with the car running have a listen around the engine to see if you can hear an air leak also check the air intake pipe from the air filter box,you may want to remove the idle control valve and see if it is carboned up
Posted May 3, 2009 (15 years ago)
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