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P0135 Diagnostic Trouble Code Discussion for July 2020

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
2008 Chevrolet Silverado 2500 HD WT 6.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1GCHK24K08
P0135: HO2S Heater Performance B1S1. Hello, strange one here. Customer replaced ignition switch and brought vehicle in because it would no longer crank after that. We found 40amp starter fuse missing. Replaced fuse and vehicle cranked right up and started. But now it runs very poorly, roug...
July 22, 2020
2009 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMEU73E09
P0135: ho2 bk1 sensoe 1 heater circuit. we have a 2010 ford explore in the shop, it used to be a goverment vehicle. it come in running fine with 16 different codes all are listed above. we have check all power and grounds disconnected multiple modules o2 sensors disconnected aux power supply use...
July 27, 2020