P2A83

Alternative Fuel Pump B Compression Stroke Valve Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Unstable engine operation
Reduced engine power
Increased fuel consumption
Problems starting the engine

Causes

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

How to Fix

Check the integrity of the wiring harness to the valve
Check the resistance and operation of the solenoid valve
Inspect and clean electrical contacts
Check the power and ground of the control circuit
If necessary, replace the fuel pump or valve

Related codes

P2A84 P2A85 P0087