P0257

Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Unstable engine operation
Power Loss
Increased fuel consumption
Problems starting the engine

Causes

Wear of fuel injection pump components
Fuel control solenoid valve malfunction
Problems with wiring harness or contacts
Engine control unit malfunction

How to Fix

Check the condition and operation of the injection pump
Check the solenoid valve and its circuit
Check wiring harness and contacts
If necessary, replace the fuel injection pump or its components

Related codes

P0251 P0252 P0253 P0254