P1176
Rear O2S Correction Limit Obtained
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Unstable engine idling
- Reduced engine power
- Unpleasant smell from the exhaust pipe
Causes
- Rear oxygen sensor malfunction
- Leaks in the exhaust system
- Problems with the catalytic converter
- Fuel system malfunctions
- Damage to the sensor wiring harness
How to Fix
- Check the condition of the rear oxygen sensor
- Inspect the exhaust system for leaks
- Check the performance of the catalytic converter
- Diagnose the fuel system
- Check the integrity of the sensor wiring harness