P1133 Diagnostic Trouble Code Discussion for October 2011
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2005 Chevrolet Equinox LT 3.4L MIL Lamp on VIN: 2CNDL23F35 P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... weeks than light came back on with same code p1133 we did a smoke test before and did repair vac leaks at egr base gasket and pcv pipe to valve. |
October 17, 2011 |
