P12F7
Cylinder Deactivation Exhaust Flow Valve Closed Position Bank 2
P12F7 is an OBD-II diagnostic trouble code meaning: Cylinder Deactivation Exhaust Flow Valve Closed Position Bank 2. Common causes: cylinder deactivation valve jammed, open or short circuit in control circuit. Estimated repair cost: $28–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Reduced engine power
- Check Engine Light Illuminates
- Cylinder deactivation system does not work
Causes
- Cylinder deactivation valve jammed
- Open or short circuit in control circuit
- Solenoid valve malfunction
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check the condition of the cylinder deactivation valve
- Check the integrity of the control and power circuits
- Check the resistance of the solenoid valve
- Clean or replace a stuck valve
- Scan the control unit for additional errors
Related codes
FAQ
What does the P12F7 code mean?
P12F7 is an OBD-II diagnostic trouble code that indicates: Cylinder Deactivation Exhaust Flow Valve Closed Position Bank 2
What causes a P12F7 error code?
The most common causes of P12F7 include: Cylinder deactivation valve jammed; Open or short circuit in control circuit; Solenoid valve malfunction; Wiring Harness Problems.
How do I fix a P12F7 diagnostic trouble code?
To fix P12F7: Check the condition of the cylinder deactivation valve. Check the integrity of the control and power circuits. Check the resistance of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P12F7?
Yes, but get it checked soon
How much does it cost to fix P12F7?
The estimated repair cost for P12F7 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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