P0252 — Injection Pump Fuel Metering Control "A" Malfunction (Cam/Rotor/Injector)

What it means

P0252 is an OBD-II diagnostic trouble code: Injection Pump Fuel Metering Control "A" Malfunction (Cam/Rotor/Injector).

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.