P1132 GMC - HO2S Circuit Low Variance Bank 2 Sensor 1
- Faulty Front Oxygen Sensor
- Front Oxygen Sensor harness is open or shorted
- Front Oxygen Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1132 Gmc DescriptionA Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.
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