P20F8
Intake Manifold Runner Control Circuit Performance Bank 1
P20F8 is an OBD-II diagnostic trouble code meaning: Intake Manifold Runner Control Circuit Performance Bank 1. Common causes: damper control solenoid valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Unstable idling
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Damper control solenoid valve malfunction
- Open or short circuit in control circuit
- Mechanical jamming of dampers
- Problems with the damper drive
- Engine control unit malfunction
How to Fix
- Check the condition of the control circuit wiring harness and connectors
- Test the damper control solenoid valves
- Check the mechanical part of the damper drive for jamming
- Diagnose the engine control unit
- If necessary, replace faulty components
Related codes
Error P20F8 by Vehicle Brand
FAQ
What does the P20F8 code mean?
P20F8 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Runner Control Circuit Performance Bank 1
What causes a P20F8 error code?
The most common causes of P20F8 include: Damper control solenoid valve malfunction; Open or short circuit in control circuit; Mechanical jamming of dampers; Problems with the damper drive.
How do I fix a P20F8 diagnostic trouble code?
To fix P20F8: Check the condition of the control circuit wiring harness and connectors. Test the damper control solenoid valves. Check the mechanical part of the damper drive for jamming. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20F8?
Limited driving only, diagnose soon
How much does it cost to fix P20F8?
The estimated repair cost for P20F8 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat