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  1. P0304, Low Compression, 2009 2.2

    Problems and Service
    Hey Y'all, Looking for advice and tips, been reading thru the various reports on P0301 ~ 04 codes. Here is the deal with mama's little crusier. It is a very stock 2009 LS with the 2.2 ecotec, sitting about 105K. About six months back it started spiting a P0304 code, intermitantly. At 102K it...