P2A87

Alternative Fuel Pump C Compression Stroke Valve Control Circuit/Open

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Difficulty starting the engine
Check Engine Light Is On

Causes

Open or short circuit in valve control circuit
Faulty injection pump solenoid valve
Connector problems or contact corrosion
Engine control unit malfunction
Wiring harness damage

How to Fix

Check valve control circuit integrity
Check the resistance and operation of the solenoid valve
Inspect connectors and contacts for corrosion
Check power and ground circuit
If necessary, replace the faulty valve or wiring

Related codes

P2A88 P2A89 P2A86