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Thread: Failed OBD1 emissions - emission gurus

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  1. 10-18-2006, 01:48 PM #1
    jfman
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    Default Failed OBD1 emissions - emission gurus

    And if you dont know what your talking about, dont post, anybody can say "put a new cat and 02 sensor on it"


    Car : bone stock 1993 300z

    It failed the NOx ppm reading.... What can be the cause of that.


    the reading was 2321 and the limit is 907

    It passed the HC-ppm and CO% with flying colors.

    I want to know what this means..
    Last edited by jfman; 10-18-2006 at 02:01 PM.
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