P2A16 — Injection Pump Fuel Metering Control D (Cam/Rotor/Injector)
The fuel injection pump control system reports a generic fault on metering channel D (cam, rotor, or injector path). Fuel delivery to the affected channel cannot be regulated as expected.
General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.
Affected components
- Injection pump metering d
- Injection pump
- Wiring harness
Possible causes to check
These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.
- Metering element drift with wear
- Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
Related codes
Sources
Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.