1992 BMW 325 fluactuating idle

1992 BMW 325
15,000 MILES • 6 CYL • 2WD • AUTOMATIC
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FASTRACK
  • MEMBER
  • 1 POST
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.
Dec 29, 2007 at 2:58 AM
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DOCHAGERTY
  • CAR REPAIR CONTRIBUTOR
  • 9,603 POSTS
replace the 02 sensor. BTW, 100 rpm of fluctuations is normal with A/C on or other power consumers.
Dec 31, 2007 at 7:27 AM
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