bmx045 Posted March 13, 2012 Share Posted March 13, 2012 your front o2 is not functioning, this is responsible for air fueling mixture. your car is probably dumping fueling into the cylinders like nobody's business Link to comment Share on other sites More sharing options...
mwm5094 Posted March 13, 2012 Share Posted March 13, 2012 ^this happened to me. No misfire. Just ~12 mpg highway and ~8 around town. Paid for gas like a boss. Link to comment Share on other sites More sharing options...
NavyMM06LGT Posted March 15, 2012 Author Share Posted March 15, 2012 Well, changed the front o2 today, 2 misfires and o2 code gone, but still misfire on one... thinking it might be the tune.... we shall see once i receive the infamous tune.... Link to comment Share on other sites More sharing options...
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