P117C
Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded
P117C is an OBD-II diagnostic trouble code meaning: Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded. Common causes: bank 3 oxygen sensor malfunction, air leaks in the intake tract. Estimated repair cost: $28–89.
Symptoms
- Increased fuel consumption
- Reduced engine power
- Check Engine Light Is On
- Unstable engine idling
- Increased emissions of harmful substances
Causes
- Bank 3 oxygen sensor malfunction
- Air leaks in the intake tract
- Problems with the fuel system (weak fuel pump, clogged injectors)
- Malfunction of the catalytic converter
- Problems with sensor wiring or connectors
How to Fix
- Check the condition of the bank 3 oxygen sensor
- Look for air leaks in the intake system
- Check fuel pressure and condition of injectors
- Check the condition of the catalytic converter
- Check the wiring and connectors of the sensor
Related codes
FAQ
What does the P117C code mean?
P117C is an OBD-II diagnostic trouble code that indicates: Bank 3 Oxygen Sensor Correction Behind Converter Lean Control Limit Exceeded
What causes a P117C error code?
The most common causes of P117C include: Bank 3 oxygen sensor malfunction; Air leaks in the intake tract; Problems with the fuel system (weak fuel pump, clogged injectors); Malfunction of the catalytic converter.
How do I fix a P117C diagnostic trouble code?
To fix P117C: Check the condition of the bank 3 oxygen sensor. Look for air leaks in the intake system. Check fuel pressure and condition of injectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P117C?
Yes, but get it checked soon
How much does it cost to fix P117C?
The estimated repair cost for P117C is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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