OBD-II code · Powertrain (generic, extended)
P2A21 Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)
The control signal for injection pump metering channel F is above the expected window. Wire shorted to B+ or actuator open.
Is it safe to drive with P2A21?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyControl wire shorted to B+
- PossibleOpen metering actuator
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–10 h
- Emissions test
- Likely to fail
- Parts involved
- Injection Pump Metering F, Injection Pump, Wiring Harness
Related codes
- P0254Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)
- P0259Injection Pump Fuel Metering Control B High (Cam/Rotor/Injector)
- P2A15Injection Pump Fuel Metering Control C High (Cam/Rotor/Injector)
- P2A19Injection Pump Fuel Metering Control D High (Cam/Rotor/Injector)
- P2A1DInjection Pump Fuel Metering Control E High (Cam/Rotor/Injector)
- P2A1EInjection Pump Fuel Metering Control F (Cam/Rotor/Injector)
- P2A1FInjection Pump Fuel Metering Control F Range/Performance (Cam/Rotor/Injector)
- P2A20Injection Pump Fuel Metering Control F Low (Cam/Rotor/Injector)
- P2A22Alternative Fuel Tank Shutoff Valve B Control Circuit/Open
- P2A23Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck Off
- P2A24Alternative Fuel Tank Shutoff Valve B Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.