Question about 1998 Honda Civic

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Will not pass emissions test

Check engine light on ,,,diagnosticsmachine does not know its performing test no reading at all.... what part or parts needed for 1998 honda civic ex to pass emissions test need answer free no charge thank you

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  • rogeshir May 11, 2010

    do you have the reading from the smog station. If you do post it and i will help you read it. If the HC is high, CO2 is high, or the NOX is high. they present different areas of the problem. But the way you present your problem without a starting point no one in here will be able help you.

  • paulwillywil May 11, 2010

    I would try changing the lamda sensor.

  • Dave  C
    Dave C May 11, 2010

    Take it somewhere that can read the code and give you the number that is causing the light to come on and report back. There is not much you can do without a little more info.

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The light is an emissions code in there sometimes its a oxygen sensor or the egr valve gets clogged in hondas...you need to retrieve the code to narrow the problem down

Posted on May 13, 2009

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we cure your trouble that caused your engine light to come on and you will pass your test.
later
paul

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