Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)

Where it lives

For P0251, the description names the injector as the part involved.

Check these first

• A faulty fuel metering control valve A
• An open or short in the metering control A circuit
• A failed fuel pressure sensor
• A clogged fuel filter or restricted fuel supply
• A faulty injection pump control module

What to do next

1. Read fuel metering control A commanded and actual on a scan tool
2. Inspect the metering control A wiring and connector for damage
3. Check fuel pressure and replace a clogged fuel filter
4. Test the fuel metering control valve A for sticking
5. Replace the injection pump control module if the command is not followed
6. Clear the code and retest

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