P2A89

Alternative Fuel Pump C Compression Stroke Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$50–167 (est.)

Symptoms

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

Causes

Open or short circuit in valve control circuit
Faulty injection pump solenoid valve
Wiring Harness Problems
Malfunction of the engine control unit (rare)
Poor contact in connectors

How to Fix

Check valve control circuit integrity
Check the resistance and operation of the solenoid valve
Inspect the wiring harness for damage
Check contacts in connectors
If necessary, replace the faulty injection pump valve

Related codes

P2A88 P2A90 P2A91