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P0155 Diagnostic Trouble Code Discussion for April 2005

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
1997 Chevrolet Camaro Z28 5.7L MIL Lamp on VIN: 2G1FP22P2V
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. hey guys thanks in advance for taking time out of your busy scheldule. vehicle came in with check engine light and egr code malfuction code. checked out system and replaced egr with new. now that's fine. customer wanted to do maintenance due to age. performed ...
April 22, 2005
1997 Ford Thunderbird LX 4.6L MIL Lamp on VIN: 1FALP62W1V
P0155: LF O2 sensor heater circuit. Hey guys. I have a T-Bird with MIL on with O2 heater codes. Running KOEO test shows all 4 codes. If I clear the codes, and run the engine while watching the heater circuits for faults, only the Left bank will set codes. The red wires (heater power) on all sens...
April 24, 2005