1992 BMW 325 fluactuating idle

Tiny
FASTRACK
  • MEMBER
  • 1992 BMW 325
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 15,000 MILES
When my car warms up the idle starts to go up from 600 rpm and 700 and then down again, I cleaned the idle control valve and checks for leaks and found no leaks, the idle still the same.
Saturday, December 29th, 2007 AT 2:58 AM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Replace the 02 sensor. BTW, 100 rpm of fluctuations is normal with A/C on or other power consumers.
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Monday, December 31st, 2007 AT 7:27 AM

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