Censport Posted June 24, 2008 Share Posted June 24, 2008 Pulled the codes on the "free" Lexus, got Code #28 - Main oxygen sensor signal (on right bank). Which sensor is that, the one before the cat, or the one after? Quote Link to comment Share on other sites More sharing options...
python Posted June 24, 2008 Share Posted June 24, 2008 before,passenger side....replace both with denso o2 sensors, i used bosch and they failed on me and i had to do it again, the ones in the rear only tell u what ur cats are doing Quote Link to comment Share on other sites More sharing options...
Censport Posted June 24, 2008 Author Share Posted June 24, 2008 Thanks! Quote Link to comment Share on other sites More sharing options...
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