P2A80

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

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$39–133 (est.)

Symptoms

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

Causes

Compression stroke solenoid valve malfunction
Open or short circuit in wiring harness
Poor connection in connectors
Valve Position Sensor Failure
Problems with the engine control unit

How to Fix

Check the integrity of the wiring harness to the valve
Check the resistance and operation of the solenoid valve
Clean or replace control circuit connectors
Check the control signal from the ECU
If necessary, replace the compression stroke valve

Related codes

P2A81 P2A82 P2A84