P2A88

Alternative Fuel Pump C Compression Stroke Valve Control Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Difficulty starting the engine
Check Engine Light Is On

Causes

Fuel injection pump control valve malfunction
Open or short circuit in control circuit
Poor contact in connectors
Mechanical damage to the wiring harness
Engine control unit malfunction

How to Fix

Check the condition of the injection pump control valve
Check the integrity of the control circuit and connectors
Check valve resistance and operation
Scan the control unit for additional errors
If necessary, replace the valve or repair the circuit

Related codes

P2A89 P2A87 P2A00