P2A85
Alternative Fuel Pump B Compression Stroke Valve Control Circuit Low
P2A85 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Pump B Compression Stroke Valve Control Circuit Low. Common causes: open or short circuit in the injection pump valve control circuit, faulty injection pump solenoid valve. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Reduced engine power
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine Light Is On
Causes
- Open or short circuit in the injection pump valve control circuit
- Faulty injection pump solenoid valve
- Problems with the wiring harness or connectors
- Malfunction of the engine control unit (ECU)
- Problems with power or grounding of the circuit
How to Fix
- Check the integrity of the injection pump valve control circuit
- Check the resistance and operation of the solenoid valve
- Inspect the wiring harness and connectors for damage.
- Check circuit power and grounding
- If necessary, replace faulty components
Related codes
Error P2A85 by Vehicle Brand
FAQ
What does the P2A85 code mean?
P2A85 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Pump B Compression Stroke Valve Control Circuit Low
What causes a P2A85 error code?
The most common causes of P2A85 include: Open or short circuit in the injection pump valve control circuit; Faulty injection pump solenoid valve; Problems with the wiring harness or connectors; Malfunction of the engine control unit (ECU).
How do I fix a P2A85 diagnostic trouble code?
To fix P2A85: Check the integrity of the injection pump valve control circuit. 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 P2A85?
Yes, but get it checked soon
How much does it cost to fix P2A85?
The estimated repair cost for P2A85 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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