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P0137 Diagnostic Trouble Code Discussion for October 2005

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0137
Help Request Posted
1999 Isuzu Rodeo LS 3.2L MIL Lamp on, Runs Good
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage. Test drove and monitored O2 after replacement and O2 was operating propperly. MIL came on again over the weekend with same code. O2 continues to report low voltage to PCM after warming up. At the connector with Vantage, O2 voltage monitors steady depending on ...
October 12, 2005
1997 GMC K1500 Sierra SL 4.3L Cuts out, Misfire, MIL Lamp on VIN: 1GTEK19W0V
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage. I need some help on this one. This truck came in to the shop with check engine light on and fuel pump screaming. I told customer we have to fix the obvious noisey fuel pump first, which we did with an AC Delco pump and new fuel filter. Cleared codes to aid fur...
October 19, 2005