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P0433 Diagnostic Trouble Code Discussion for August 2022

Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit


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Trouble Ticket Help Requests for DTC P0433
Help Request Posted
2012 Acura TL SH-AWD 3.7L MIL Lamp on
P0433: purge system malfuction. ok no purge operation have replaced valve, checked all wiring blk /yel wire 12.vts pin of purge connector, no signal from red /yel pin 1 ,checked .ohm checked all wires nothing open or shorted , replaced pcm still same code am i missing something obviously...
August 11, 2022