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P0135 Diagnostic Trouble Code Discussion for July 2009

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
1996 Chevrolet K1500 5.7L Misfire VIN: 1GCEK14R8T
P0135: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Good afternoon, I have what may be a stupid question but how do you go about verifing a bad injector assy on this Vortec? I have never had to replace one so I want to be sure it is bad. The truck has high misfire counts on cyl 3 and 5. Has some on cyl 6 but ju...
July 27, 2009