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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW! |
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Registered User
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RPM Jump
I noticed this a while ago, it doesn't happen often, but when it does it's very strange.
It sometimes happens in stop and go traffic, when I'm shifting between first and neutral a lot. Lets say I get into 1st to move my car and just as my car starts moving the person in front of me brakes and I have to pop back into neutral. At this point my RPMs would start jumping up and down between idle (600 or so) and about 1200. It would stop on its own after a couple of jumps or if I give it a little bit of gas. Is this my idle control valve or what?
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| rpm jump, stall, vacuum leak |
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