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P0155 Diagnostic Trouble Code Discussion for November 2008

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
1996 Buick Roadmaster Collector's Edition 5.7L Misfire VIN: 1G4BN52P0T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Customers car came in for a no start. Customer replaced plugs and wires. We found distributer cap corroded and fuel pump was weak. Replaced distributer cap and rotor and fuel pump. Now Engine runs, but has misfire under load. Seems ok during idle. Once it is p...
November 07, 2008