IDLE SEEMS TO SKIP OR GET WEAK WHILE STOPPED

2006 BMW 330

Tiny

MP7804

January, 30, 2012 AT 11:07 PM

My 2006 BMW 330xi's idle seems to 'skip' (or get weak) while waiting/stopped at a stop light (doesn't cut off.) It only happens intermittently. More so once the car has been driven for a couple hours in the same day. It never happens first thing in the morning, but more frequent at night. No indicators on the dash, so BMW can never 'find' the issue. (Approx. 60,000 mi) The car drives fine at high speeds, no concern there. What could be the problem?

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3 Answers

Tiny

rivermikerat

January, 31, 2012 AT 1:02 AM

Have them check for vacuum leaks and scan for both hard and soft codes. Also, see if you can have live data polled and printed.

Tiny

MP7804

January, 31, 2012 AT 1:49 AM

Thanks for your response can you please elaborate on what you mean by 'scanning for both hard & soft codes'? Usually they just say nothing is coming up on the computer.

Tiny

rivermikerat

January, 31, 2012 AT 3:25 AM

Hard codes cause the CEL to come one or flash. Soft codes don't.

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