idle speed low(500rpm)when warm

2002 OLDSMOBILE SILHOUETTE
14,000 MILES
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TOMMYREHA
  • MEMBER
  • 1 POST
I had the lifters replaced 6 mos. ago & after 2 wks. noticed the idle speed dropped from around 850-900 rpm to 500 rpm. When I brought the car back to the shop, they said"it was like that when you brought it in" I've been driving the car for 8 years with the idle higher. Any ideas?? thanx!
Dec 12, 2011 at 6:05 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
The computer adjusts the idle on that engine.Do you have any codes in the computer?Have you checked for any yet?
Dec 12, 2011 at 6:52 PM
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