Question about 1989 Chevrolet Cavalier

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1989 cavalier z24

I have a 1989 cavalier z24. when i stop at a red light or something, my car starts to idol ruff- then my check engine light comes on. the code it is throwing is 45- running rich. ive replaced all kinds of parts and it dont seem to help.

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  • pwobig Dec 17, 2008

    I have the same problem, when i come to a complete stop, it idles ruff then quits. I have found out that the gas tank does biuld up pressure not sure if this fixes it, but i usually just put my car into nuetral and it doesnt die on me. that seems to work fine. But its really frustrating when your sitting in traffic and the car dies!

  • wanted_man38 May 16, 2009

    hi,im just wondering what the weight and horse power is on the 89 z24,3.1L i just bought???

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It sounds like a e.s.t. sensor is starting to go.

Posted on Jul 25, 2009

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Have similar problem, seems to be too much pressure build up in the gas tank, when you loosen the gas cap, there is pressurized air comes out. If I leave the cap loose, the car runs fine

Posted on Nov 09, 2008

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I just fixed my car, it was the spark plug wires leading to the wrong plugs, it runs like a champ now. Just did my first burn-out! :)

Posted on Feb 03, 2009

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