P2A86
Alternative Fuel Pump B Compression Stroke Valve Control Circuit High
P2A86 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Pump B Compression Stroke Valve Control Circuit High. Common causes: open or short circuit in valve control circuit, fuel pump solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- Problems starting the engine
Causes
- Open or short circuit in valve control circuit
- Fuel pump solenoid valve malfunction
- Problems with the wiring harness or connectors
- Engine control unit (ECU) malfunction
- Corrosion of contacts in an electrical circuit
How to Fix
- Check valve control circuit integrity
- Check the resistance and operation of the solenoid valve
- Inspect the wiring harness and connectors for damage.
- Check power and ground in the circuit
- If necessary, replace faulty components
Related codes
Error P2A86 by Vehicle Brand
FAQ
What does the P2A86 code mean?
P2A86 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Pump B Compression Stroke Valve Control Circuit High
What causes a P2A86 error code?
The most common causes of P2A86 include: Open or short circuit in valve control circuit; Fuel pump solenoid valve malfunction; Problems with the wiring harness or connectors; Engine control unit (ECU) malfunction.
How do I fix a P2A86 diagnostic trouble code?
To fix P2A86: Check valve control circuit integrity. Check the resistance and operation of the solenoid valve. Inspect the wiring harness and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A86?
Yes, but get it checked soon
How much does it cost to fix P2A86?
The estimated repair cost for P2A86 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat