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P0141 Diagnostic Trouble Code Discussion for January 2013

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
2003 Chevrolet Express 3500 6.0L MIL Lamp on VIN: 1GBJG31U33
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater control circuit Malfunction. viehicle came in because could not smog and has o2 heater codes i have never seen 3 heater circuits non opperational all have 12 volt reff for heaters but computer does not pulse heaters when ennabled have done bentch test and the heater circuit opperates on t...
January 28, 2013