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Needing some advice on codes P0365 P0369, misfires on cyl 1-3.

15K views 8 replies 6 participants last post by  Nadwollab  
I would start by checking wiring to the bank 1 sensor.. it seems like something is amiss with it.. I believe bank 1 is the exhaust side if I’m not mistaken. Trace the wiring and be sure all is good with it to that sensor … it sounds like the pcm is pissed off which gives you the misfire codes as well. … if you can see live data and the sensor waveform is correct then there are other issues .. possibly timing related to the work that was done. I’m going out in a limb and going to say that once you figure out either bad wiring or sensor.. the rest of the misfire stuff goes away.
 
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