OBD-II code · Powertrain (generic, extended)
P2A12 Injection Pump Fuel Metering Control C (Cam/Rotor/Injector)
The fuel injection pump control system reports a generic fault on metering channel C (cam, rotor, or injector path). Fuel delivery to the affected channel cannot be regulated as expected.
Is it safe to drive with P2A12?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyMetering element drift with wear
- PossibleWiring or connector fault
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 C, Injection Pump, Wiring Harness
Related codes
- P0251Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)
- P0256Injection Pump Fuel Metering Control B (Cam/Rotor/Injector)
- P2A16Injection Pump Fuel Metering Control D (Cam/Rotor/Injector)
- P2A1AInjection Pump Fuel Metering Control E (Cam/Rotor/Injector)
- P2A1EInjection Pump Fuel Metering Control F (Cam/Rotor/Injector)
- P2A0FFuel Supply Heater Performance
- P2A10O2 Sensor Negative Voltage Bank 2 Sensor 2
- P2A11O2 Sensor Negative Voltage Bank 2 Sensor 3
- P2A13Injection Pump Fuel Metering Control C Range/Performance (Cam/Rotor/Injector)
- P2A14Injection Pump Fuel Metering Control C Low (Cam/Rotor/Injector)
- P2A15Injection Pump Fuel Metering Control C High (Cam/Rotor/Injector)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.