P2A71

Alternative Fuel Hydraulic Fuel Pump Select Valve Control Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Check Engine Light Illuminates
Problems starting the engine

Causes

Fuel pump control valve malfunction
Problems in the valve electrical circuit
Engine control unit malfunction
Mechanical damage to the fuel system
Valve is dirty or clogged

How to Fix

Check the electrical circuit of the valve for opens and shorts
Test valve resistance and operation
Clean or replace faulty valve
Check and, if necessary, update the ECU software
Diagnose the entire fuel system for other faults

Related codes

P2A70 P2A72 P0087