Eratic idle speed - 320i

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riche30
E30 Zone Newbie
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Posts: 42
Joined: Fri Sep 23, 2005 11:00 pm
Location: Nottingham

Post Mon Oct 30, 2006 6:06 pm

Just to be on the safe side I disconnected the battery whilst I dismantled the centre console, as I didn't know what wires would lie beneath and what goodies previous owners would have left there.

I reconnected the battery and made sure the terminals were clean and that the connection nuts were nice and tight, but since I disconnected the battery the idle speed is all over the place. My car normally sits at a rock steady 750rpm, now it ranges from 500 to 1000rpm and often just dies because the revs drop so low.

Has anybody any idea on what may have caused this? Cheers for any help :)
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fozzy325is
E30 Zone Newbie
E30 Zone Newbie
Posts: 233
Joined: Wed Feb 16, 2005 11:00 pm
Location: warrington

Post Mon Oct 30, 2006 6:17 pm

i have an icv available if that has popped?
Steer Wit the rear!!!!
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DaveD
E30Zone Wiki Specialist
Posts: 5129
Joined: Tue Jan 11, 2005 11:00 pm
Location: Sheffield

Post Mon Oct 30, 2006 6:30 pm

your ecu is learning about the engine again...as i remember you should run it for some time but brian moore is the one to ask
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old_skool
E30 Zone Team Member
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Posts: 3405
Joined: Fri Sep 01, 2006 11:00 pm
Location: Glossersure

Post Mon Oct 30, 2006 6:39 pm

your ecu is learning about the engine again...as i remember you should run it for some time but brian moore is the one to ask
I'm sure I've read something about poor running for an hour or so after the battery has been disconnected. Cue Brian?
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