P2A7F

Alternative Fuel Pump A Compression Stroke Valve Control Circuit/Open

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

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.
Check power and ground in the control circuit
If necessary, replace the faulty valve or restore the circuit

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