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P0135 Diagnostic Trouble Code Discussion for September 2004

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
1998 Ford Escort ZX2 Cool Coupe 2.0L MIL Lamp on VIN: 3FALP1139W
P0135: 02 sensor circuit bank 1 sensor 1. not understandinf fully how this system works and if this sensor or belt should be replaced customer stated to me light was not on before clutch installation and it has been on every since she was told to have klight reset...
September 07, 2004
1996 Nissan Quest XE 3.0L MIL Lamp on VIN: 4N2DN118VD
P0135: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. ... with the mil light on and when we ran the scanner code P0135 ( o2 sensor heater circuit malfunction, bank 1 sensor 1) showed up. We decidied to change both the upstream and downstream sensors and then cleared the code from the ECU's memory. But the custome...
September 22, 2004