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  1. 1994 Chevy 1500 - Failed Smog Test

    Hotrodding Basics
    Hi All, My 1994 Chevy 1500 failed the California smog test, and I was wondering if the knowledgeable folks here could shed a little more light on what to do based on the results. The truck is a 350 TBI with auto transmission. The truck got a full tune up about two years ago and it passed...