I have a 2001 bmw 330ci. The car has a really rough idle and wants to stall when the MAF is plugged in. But when I unplug it, it runs good ,why

Asked by RobBenjamin11 Nov 12, 2015 at 01:24 AM about the 2001 BMW 3 Series 330Ci Coupe RWD

Question type: Maintenance & Repair

I have replace the plugs and the ignition
silinoids.and many other things and still does the
bad idle thing. I can't seem to figure it out.

188,365

Paul answered 8 years ago

Checked the throttle body it may be dirty and might need a cleaning. Also add some injector cleaner to your gas tank..

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Guru1MJSF answered 4 years ago

had the same problem, it's a bad mass air flow sensor, replace it

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GuruMQP9Y answered 3 years ago

I did but it ran fine for few hours then missed like heck now starts up with very high idle I give it has it shits down

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I have a 2001 bmw 330ci. The car has a really rough idle and wants to stall when the MAF is plugged in. But when I unplug it, it runs good ,why 3 Answers

I have replace the plugs and the ignition silinoids.and many other things and still does the bad idle thing. I can't seem to figure it out.

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I have a 2001 bmw 330ci. The car has a really rough idle and wants to stall when the MAF is plugged in. But when I unplug it, it runs good ,why

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I have a 2001 bmw 330ci. The car has a really rough idle and wants to stall when the MAF is plugged in. But when I unplug it, it runs good ,why

3 Answers

Your Answer:

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