P0259

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

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Difficulty starting the engine

Causes

Faulty injection pump solenoid valve
Open or short circuit in wiring harness
Problems with the injection pump itself
Engine ECU malfunction

How to Fix

Check the condition of the wiring harness and connectors
Check the resistance and operation of the solenoid valve
Check fuel pressure and fuel injection pump performance
If necessary, replace faulty components

Related codes

P0258 P025A P025B