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P0135 Diagnostic Trouble Code Discussion for January 2012

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S13
P0135: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance. ... responce on both up streem sensors. Ran a fuel system cleaning on the truck. About a week later the engine light came back on for a slow responce during cat moniter so we replaced B1S1 o2 sensor. now the code p0135 keeps resetting. We have replaced the o2 ...
January 09, 2012
2007 Ford Crown Victoria 4.6L Stall VIN: 2FAHP71W57
P0135: . ... too,Only done it at idle and will set codes or show faults on MAF( EGR( EVAP PURGE( ALL 4 o2 HEATER CIRCUITS( Best I can figure is either a short to V some place and we have inspected all the sensors, the splices even the one on top of the trans, inspected...
January 18, 2012