OBD Guide

P2A7F

Alternative Fuel Pump A Compression Stroke Valve Control Circuit/Open

P2A7F is an OBD-II diagnostic trouble code meaning: Alternative Fuel Pump A Compression Stroke Valve Control Circuit/Open. Common causes: open circuit in the injection pump valve control circuit, faulty injection pump solenoid valve. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Engine won't start
  • Loss of engine power
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Open circuit in the injection pump valve control circuit
  • Faulty injection pump solenoid valve
  • Problems with wiring harness or connections
  • Malfunction of the engine control unit (ECU)
  • Short circuit in the circuit

How to Fix

  1. Check the injection pump valve control circuit for an open circuit.
  2. Check the resistance and functionality of the solenoid valve
  3. Inspect the wiring harness and connections for damage.
  4. Check power and ground in the control circuit
  5. If necessary, replace the faulty valve or restore the circuit

Related codes

Error P2A7F by Vehicle Brand

FAQ

What does the P2A7F code mean?

P2A7F is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Pump A Compression Stroke Valve Control Circuit/Open

What causes a P2A7F error code?

The most common causes of P2A7F include: Open circuit in the injection pump valve control circuit; Faulty injection pump solenoid valve; Problems with wiring harness or connections; Malfunction of the engine control unit (ECU).

How do I fix a P2A7F diagnostic trouble code?

To fix P2A7F: Check the injection pump valve control circuit for an open circuit.. Check the resistance and functionality of the solenoid valve. Inspect the wiring harness and connections for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A7F?

Limited driving only, diagnose soon

How much does it cost to fix P2A7F?

The estimated repair cost for P2A7F is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat