P1133 Diagnostic Trouble Code Discussion for July 2011
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 1995 GMC Jimmy SLE 4.3L Hesitation, Surge, MIL Lamp on VIN: 1GKDT13W4S P1133: Oxygen sensor B1 heater circuit. This vehicle runs perfect till hot then hesitates and runs rough and bucks.I see a slight fluctuation in the tach at idle hot only.Cleared all codes and code P0341 REPEATED.I've relocated the harness from any RFI.Has anyone ran into this code or fault? Thanks ... |
July 25, 2011 |
