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1991 Buick Riviera Question: WHAT ARE SOME THE CAUSES AS TO WHY THIS MODEL CAR WILL NOT PASS EMISSIONS TEST?

 

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MAWALI, Atlanta, GA, December 31, 2012, 16:35
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1991 BUICK RIVIERA

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  • Answer #1

    ziptie12 December 31, 2012, 20:11
     Master

    Some causes are , age , mileage , and emissions faults that set codes that have not been repaired and are causing excess pollution.

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    PARTS GUY, January 01, 2013, 05:18
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     Master

    Could it be it's 22 years old? There's so many things that could fail the test. Contact me at jmgrhm30@gmail.com for more help.

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