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'83 BMW 733 Idle Problem

Tiny
DANNO2CU
  • MEMBER
  • 1983 BMW 733I
  • 135,000 MILES
1983 BMW 733i at running temperature and when in neutral, engine revs up then down. I have replaced the idle air motor but the problem persists. Any ideas.

Thanks,
Dan
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Monday, January 31st, 2011 AT 9:44 PM

3 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Replacement of the idle control module may be required. The throttle position switch is also going to need to be properly adjusted. When the ICV was replaced, was it a used part? It may also be questionable if it is used.
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Monday, January 31st, 2011 AT 11:09 PM
Tiny
DANNO2CU
  • MEMBER
  • 2 POSTS
The ICV was a new part. I'll put in a new ICM and mess with the throttle position switch. Thanks.
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Monday, January 31st, 2011 AT 11:18 PM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
I'll be standing by.
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Wednesday, February 2nd, 2011 AT 6:36 PM

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