P1168
Closed Loop Control Function Bank 2
P1168 is an OBD-II diagnostic trouble code meaning: Closed Loop Control Function Bank 2. Common causes: bank 2 oxygen sensor malfunction, vacuum leaks in the intake system. Estimated repair cost: $17–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Reduced engine power
- Check Engine light comes on
- Increased emissions of harmful substances
Causes
- Bank 2 oxygen sensor malfunction
- Vacuum leaks in the intake system
- Problems with fuel injectors
- Malfunction of the fuel pump or pressure regulator
- Damage to wiring or sensor connectors
How to Fix
- Check the condition and operation of bank 2 oxygen sensors
- Examine the system for vacuum leaks
- Check the operation of the fuel injectors and the pressure in the system
- Inspect the wiring harness and sensor connectors
- If necessary, replace faulty components
Related codes
Error P1168 by Vehicle Brand
FAQ
What does the P1168 code mean?
P1168 is an OBD-II diagnostic trouble code that indicates: Closed Loop Control Function Bank 2
What causes a P1168 error code?
The most common causes of P1168 include: Bank 2 oxygen sensor malfunction; Vacuum leaks in the intake system; Problems with fuel injectors; Malfunction of the fuel pump or pressure regulator.
How do I fix a P1168 diagnostic trouble code?
To fix P1168: Check the condition and operation of bank 2 oxygen sensors. Examine the system for vacuum leaks. Check the operation of the fuel injectors and the pressure in the system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1168?
Yes, but get it checked soon
How much does it cost to fix P1168?
The estimated repair cost for P1168 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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