Question about 1994 Chevrolet Cavalier

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Rpms drop and rise while driving and stopping.

I have a 1991 chevy z24 that rpms drop and rise while driving and stopping. I also smell gas when I am park I did a tune up with bocsh spark plugs and wires. and did a oil changes

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  • Shoaib Rais
    Shoaib Rais May 11, 2010

    IAC valve sensor check it

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Anytime you can smell gas, you have a leak, not good to drive if you can smell strong fume and not safe to drive. check all fuel line and fuel filter connection. check gasket on intake manifold and your injector. The rpm goes up and drown erratically, check your distributor connections and the ground wires. If distrubutor has bad ground or conection can cause erratic behavior RPM guage.

Posted on Jul 24, 2009

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Posted on Jan 02, 2017

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