hello tecs,i have this 2004 saturn l 300 that has misfire codes po300 303 301 302 305 306 codes stored,clear codes and just po300 comes back,look at misfire data #2 3 6 show intermitant misfire ,some times no misfire at all,runs great,i think it may have bad i...

FIX posted 7/24/2015

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