Mitsubishi p0421 endeavor code 44b8 b348 432f sensor P0421 code: warm up catalyst efficiency below threshold (bank 1) Exhaust muffler carparts suddenly stopping catalytic cons
I have a 06 Mitsubishi Endeavor that has an error code P0421. The
Mitsubishi outlander: warm up catalyst efficiency → below threshold
I have a 06 mitsubishi endeavor that has an error code p0421. the
Outlander mitsubishi p2096 alternator bank p0421 problems catalyst threshold efficiency warm below signs .
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