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P0150 Diagnostic Trouble Code Discussion for July 2005

Air Fuel Sensor (Bank 2 Sensor 1) Closed Loop Performance

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Trouble Ticket Help Requests for DTC P0150
Help Request Posted
2000 Saturn LW2 3.0L MIL Lamp on VIN: 1G8JW82R5Y
P0150: Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Performance. ... performance problems and a check engine light on. Codes P0171 bank 1 lean, P0174 bank 2 lean, and P0150 bank 2 heater circiut fault. M.A.F. sensor fixed engine performance problem, P0171, P0174 and put fuel trim back in spec. Replaced front 02 sensor and l...
July 21, 2005