P1131 GMC - HO2S Circuit Low Variance Bank 1 Sensor 2
First diagnose P1131 GMC code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1131 GMC code
Labor: 1.0The cost of diagnosing the P1131 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
P1131 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1131 Gmc DescriptionA Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.
P1131 GMC More InformationNeed more information on how to fix the P1131 GMC code?
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