Can A Dirty Maf Sensor Cause P0420
Sensor mass airflow dirty P0420 code: catalyst system efficiency below threshold (bank 1) P0104 code: mass air flow (maf) “a” circuit intermittent / erratic
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Warning! pay attention to these bad maf sensor symptoms
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P0420 – catalyst system efficiency below threshold (bank 1) (gm
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Why am i getting p0420 and p0430 code at the same time? cause & fixes
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