Code p0421- call mitsu before you do anything! P0421 check engine light fix #catalyticconverter #o2sensor #p0421 P0421 – warm up catalytic converter bank 1 efficiency below threshold
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P0421 – warm up catalytic converter bank 1 efficiency below thresholdCode p0421?: i'm getting that code, but i do know that the... 2006 mitsubishi galant code p0421: car has check engine light on...Mitsu anything call code before do lancer evolutionm mitsubishi.
P0421 code meaning, symptoms, causes & fixingMitsubishi endeavor code b348 44b8 432f sensor How to clear your engine light after upstream bank 1 oxygen sensorI have a 06 mitsubishi endeavor that has an error code p0421. the.
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