1998 Oldsmobile Cutlass rpm

158,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JCHAMBE3
  • MEMBER
  • 1 POST
my cars rpms r bouncing around and i dont know why the check engine lite was on it said crank shaft position censore so i replaced that and the harmonick balancer and spark plugs and wires but it is still doing it but not as bad and now the lite stays off can u help me
Sep 13, 2010 at 10:12 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Have you checked for vacuum leaks? Have you checked the idle air control motor?

Let me know.
Joe
Nov 2, 2010 at 3:49 AM
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