shotzie417 Posted January 22, 2011 Share Posted January 22, 2011 (edited) i have three codes, 14 vehicle speed sensor, 33 heated o2 sensor, 51 injector circuit. when it says injector circuit does it mean the injector or the electrical? because when i got new headers on my pathy i got pacesetter so they are painted and on the drivers side one tubes paint didn't burn off, so i was wondering if that is the injector that is randomly firing? it is running rough kinda like a random missfire at idle till about 2500 rpm. Edited January 22, 2011 by shotzie417 Link to comment Share on other sites More sharing options...
adamzan Posted January 22, 2011 Share Posted January 22, 2011 Well the o2 sensor could be causing those troubles. Mine went and the light would come and go but it misfired pretty bad until I changed the o2 sensor. For the speed sensor, does your speedo work? If not then you know what the issue is but if it works then I don't know! Link to comment Share on other sites More sharing options...
k9sar Posted January 22, 2011 Share Posted January 22, 2011 With three codes, I would be tempted to rese tthem and check again once the CEL comes on. Fix what triggers first since one failure could lead to others. Link to comment Share on other sites More sharing options...
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