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1989 Chevrolet Cavalier Z24 IDLE SPEED

Tiny
KEVIN
  • MEMBER
  • 1989 CHEVROLET TRUCK
Hello, I have a 1989 Chevrolet Cavalier Z24, 2.8 V6 multi port fuel injection. Can someone tell me how to adjust the idle speed higher. When I adjust the screw on the throttlebody, the idle speed goes up and works good, but shortly after I think the computer and sensors take over and lower the idle speed again. It's idling at aroung 500 rpm in park/neutral and because of that, sometimes it stalls when coming to a stop.
Thankyou for any help you can give me.

Kevin
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Tuesday, April 18th, 2006 AT 11:10 AM

1 Reply

Tiny
SBALLA
  • MEMBER
  • 8 POSTS
I had the same problem with my yukon. Try spraying and wiping out the depost in the carb/throdle bodie opening. It worked for me. My truck runs like new now. Carb/throdle bodie spray cost 3-5 dollors at autozone or Orylies. Hope this helps. Might try this before replacing anything. Its a lot cheaper.
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Wednesday, April 19th, 2006 AT 7:41 AM

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