P2A73

Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Problems with switching between fuel types
Increased fuel consumption
Check Engine Light Illuminates
Reduced engine power

Causes

Fuel select valve malfunction
Open or short circuit in control circuit
Wiring Harness Problems
Engine control unit malfunction
Corrosion of contacts or connectors

How to Fix

Check valve control circuit integrity
Check valve resistance and operation
Inspect connectors and wiring harness for damage
Check the control signal from the engine control unit
If necessary, replace the valve or repair the wiring

Related codes

P2A72 P2A74 P2A75