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P0135 Diagnostic Trouble Code Discussion for November 2005

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
1999 Ford Explorer Eddie Bauer 4.0L Cuts out, Misfire, MIL Lamp on VIN: 1FMZU34E9X
... 10 codes,p1747,p0135,p0155,p0743,p0750,p0755,p0760,p0765,p1409 ,[...],i tried to clear them but they come right back on.this car starts right up,fuel pressure is good,idles good,but when you put it in gear and accellerate it dies out misfir...
November 04, 2005
1997 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GX58S6V
P0135: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. Vehicle has codes PO135, Po138, and PO141 that keep returning. Both O2 sensors have been replaced, both O2s have power and ground to heater circuits. Sliced open whip and traced wires to and from ASD and ground w/ no probelms. Thanls for any help
November 25, 2005