1991 Oldsmobile 88 idle control

1991 OLDSMOBILE 88
153,576 MILES • 6 CYL • FWD • AUTOMATIC
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HARRIT24
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  • 1 POST
Hello my name is tiffiny and i would like to know if I have a idle problem my car keeps making a loud sound then it gets back quiet then it idles again then quiets down it continues to do this while the car is in park then when I drive it picks up a little speed on its own then go back to normal then it will do it again I can also here a click noise as it gets loud then quiet can you please figure out thanks
Sep 28, 2010 at 5:44 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Clean out the idle air control valve and test the throttle position sensor-to include the EGR and PCV valves-
Sep 29, 2010 at 4:26 AM
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