P1130 CHEVROLET HO2S Circuit Low Variance Bank 1 Sensor 1

Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1130 CHEVROLET OBD Code Description

The Heated Oxygen Sensor (HO2S) is monitored for switching. The test fails when the HO2S does not switch due to circuit or fuel at or exceeding a calibrated limit.