Engine-Codes
 
OBDII Code List
 
P1131 CHEVROLET

P1131 CHEVROLET - HO2S Circuit Low Variance Bank 1 Sensor 2

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

First diagnose P1131 CHEVROLET 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 terminals.

Cost of diagnosing the P1131 CHEVROLET code

    Labor: 1.0

    The cost of diagnosing the P1131 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1131 CHEVROLET Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1131 CHEVROLET Meaning

A 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.
OBDII Code P1131 CHEVROLET - HO2S Circuit Low Variance Bank 1 Sensor 2 - Engine-Codes.com

P1131 CHEVROLET More Information

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