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P0137 Diagnostic Trouble Code Discussion for October 2009

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


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Trouble Ticket Help Requests for DTC P0137
Help Request Posted
2000 Chevrolet Venture 3.4L MIL Lamp on VIN: 1GNDX03E7Y
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage. came in for mil light at idle and normal cruise the sensors work fine when you go into wide open throtle or heavy accell the voltage of both sensores drops to 50-60mv i did find that fuel pressure is about 10 psi higher than spec would this cause that and any ...
October 12, 2009
2000 Chevrolet Venture 3.4L MIL Lamp on VIN: 1GNDX03E7Y
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage. came in for mil light at idle and normal cruise the sensors work fine when you go into wide open throtle or heavy accell the voltage of both sensores drops to 50-60mv i did find that fuel pressure is about 10 psi higher than spec would this cause that and any ...
October 12, 2009