Question about 1998 Chevrolet Cavalier

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What type of connection is between catoletic converter and exhaus

On 1998 cavalier

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  • yadayada
    yadayada May 11, 2010

    What engine, each has it's own catalytic converter set up.

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It is located between the engine and the muffler. It look like a muffler usally right under the driver seat. some have nut to remove, some have to be taken to a muffler shop to burn old one off and replaced with welding. Note: looking into the catalyst convertor is honey comb shape 1/16th of an inch square. there will be thousand of them stack together. if the front and back is flat than the convertor is stilll good. If you can see someone thru the other end that it is hollow out than the convertor is no good. Usually check the oxygen sensor first, that is screwed into the exsaut manifold. there should be voltage between .3 to .8 volt. if it is over 9 volts and not going up and down on voltage then the sensor need to be replaced. the oxygen sensor control how much gas is emitted into the intake. too hot mean tellling the injector to turn down the gas flow. too warm mean telling the injector to turn it up.

Posted on Nov 26, 2008

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