P1133 Diagnostic Trouble Code Discussion for April 2018
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2010 Chevrolet Equinox LT 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2CNFLNEY1A P1133: Ho2s insufficient switching bank 1 sensor 1. When cold car behaves ok once it gets hot it will start acting up misfire cyl 1,3,5 and bank 1 fuel trim goes up to 40 |
April 28, 2018 |
