Throttle Response/Rough Idle - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 01-06-2004, 11:43 AM
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My 89' 325i is idling rough, and when I approach stops that car dies. The RPMs bounce between 500-2000, and I have to really gas it to get it going from first. Any ideas???
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#2 (permalink) Old 01-06-2004, 01:48 PM
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could be a vacuum leak, the ICV couldve gone bad, the fuel or air filter may be dirty or colgged, or it could still be something else. if it is the idle control valve (ICV) a temporary fix may be to thoroughly clean it out
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#3 (permalink) Old 01-06-2004, 03:48 PM
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Quote:
Originally posted by MrM3@Jan 6 2004, 03:28 PM
could be a vacuum leak, the ICV couldve gone bad, the fuel or air filter may be dirty or colgged, or it could still be something else. if it is the idle control valve (ICV) a temporary fix may be to thoroughly clean it out
The fuel/air filter are new, I'll try cleaning ICV and checking for vac leaks. Thanks for your help!
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#4 (permalink) Old 01-08-2004, 03:56 PM
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I took off ICV, cleaned w/ choke/carb cleaner, and BOOOYAAAAA she idles like a champ. Great advice, and a very easy fix!
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