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P0135 Diagnostic Trouble Code Discussion for March 2011

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
2003 Ford F-250 Super Duty XL 6.8L MIL Lamp on VIN: 1FTNW21S93
P0135: o2 heater circuit malf. s11. ... an f-250 that set codes p0135 and p0155 heater circuit malf. After testing all circuits, alt. diodes and test driving for cop misfires, all monitors have run accept for 02 sensors. Have not replaced any parts for this concern. Have test driven truck 4 time...
March 10, 2011
1997 Chevrolet C1500 Silverado 4.3L No Start, Stall, MIL Lamp on VIN: 1GCEC14W5V
P0135: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. I bought this truck from a customer who towed it in at 62000 miles with a no start issue. We checked and found it needed a fuel pump. The customer supplied an aftremarket pump (unknown brand) which was fitted. The vehicle ran great and was then taken over by m...
March 31, 2011