Code result
P2A1F
Injection Pump Fuel Metering Control F Range/Performance
High severity
What it means
Fuel metering on channel F of the injection pump is outside the calibrated tolerance. Mechanical wear or pressure regulator drift.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Internal wear in pump element
highOne of the most commonly reported causes for this code — check this first.
Pressure regulator drift
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P2A1F freeNo credit card required