The P0251 trouble code is linked to Injection Pump Fuel Metering Control A Malfunction (Cam Rotor Injector), indicating a potential issue with the fuel metering control in the injection pump, specifically related to the cam, rotor, or injector components. This code is commonly found in diesel engines with injection pump systems.
P0251 Injection Pump Fuel Metering Control A Malfunction (Cam/Rotor/Injector)
Code symptoms P0251.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Decreased engine performance.
3. Issues with fuel delivery or injection.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0251.
1. Faulty components in the injection pump, such as the cam, rotor, or injector.
2. Wiring issues in the fuel metering control circuit.
3. Issues with the Engine Control Module (ECM).
Code Solutions P0251.
1. Inspect and replace faulty components in the injection pump, including the cam, rotor, or injector.
2. Inspect wiring in the fuel metering control circuit and repair or replace damaged sections.
3. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.