P0041 Isuzu HO2S Bank 1 and 2 Sensor 2 Signal Wires Swapped
Possible causes
– HO2S Bank 1 and 2 Sensor 2 harness is open or shorted
– HO2S Bank 1 and 2 Sensor 2 circuit connectors (wrong connection)
– Faulty Engine Control Module (ECM)
– HO2S Bank 1 and 2 Sensor 2 circuit connectors (wrong connection)
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0041 Isuzu Description
The heated oxygen sensor (HO2S) monitor determines if the HO2S signal response for a fuel shift corresponds to the correct engine bank.
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