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1991 saturn 5 sp wont pass emmission. new cat,plugs,wires,ck eng light on ,runs good idles wen clutch engaged?

mec also changed temp sensor on motor, has 142,000 miles.shifts good,runs good, no loss of power...help, i need this car to look for employment. cry face !!!!

3 Answers

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  • 1 decade ago
    Favorite Answer

    Start by finding out why the check engine light is on. Once you have all the error codes, you can decide what needs to be done.

  • 1 decade ago

    Once they see the check engine light on it is an automatic failure. You need to get a code scan. Check local auto parts stores like advance auto parts or auto zone they have scanners for free.

  • 1 decade ago

    Check your EGR valve,and oxygen sensor,and all your vacume lines.

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