P20F9
Intake Manifold Runner Control Circuit Performance Bank 2
P20F9 is an OBD-II diagnostic trouble code meaning: Intake Manifold Runner Control Circuit Performance Bank 2. Common causes: jammed intake manifold flaps, control solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Unstable operation at idle
- Increased fuel consumption
- Check Engine light comes on
- Dips during acceleration
Causes
- Jammed intake manifold flaps
- Control solenoid valve malfunction
- Open or short circuit in control circuit
- Wiring Harness Problems
- Malfunction of the engine control unit (rare)
How to Fix
- Check the mechanical condition of the intake manifold flaps
- Check the operation of the control solenoid valve
- Check the integrity of the control circuit (resistance, voltage)
- Inspect the wiring harness for damage
- If necessary, replace faulty components
Related codes
Error P20F9 by Vehicle Brand
FAQ
What does the P20F9 code mean?
P20F9 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Runner Control Circuit Performance Bank 2
What causes a P20F9 error code?
The most common causes of P20F9 include: Jammed intake manifold flaps; Control solenoid valve malfunction; Open or short circuit in control circuit; Wiring Harness Problems.
How do I fix a P20F9 diagnostic trouble code?
To fix P20F9: Check the mechanical condition of the intake manifold flaps. Check the operation of the control solenoid valve. Check the integrity of the control circuit (resistance, voltage). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20F9?
Limited driving only, diagnose soon
How much does it cost to fix P20F9?
The estimated repair cost for P20F9 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat