P2A21Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainFuelOBD2
What P2A21 means
P2A21
Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)
Generic · fuel
Data confidence65%
The control module detected a fault associated with the Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector) circuit or function; the stored code identifies the affected component rather than a single failure mode.
Symptoms
MIL illuminated
Possible rough running or misfire
Possible increased fuel consumption
Possible causes
Injector electrical or mechanical fault
Wiring or connector fault
Fuel supply fault
Air leak causing mixture deviation
Recommended checks
Read fuel trim / mixture adaptation values
Check injector circuits and compare cylinder balance
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
A21
Specific fault index within the subsystem.
Frequently asked questions about P2A21
What does P2A21 mean?
Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector). The control module detected a fault associated with the Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector) circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P2A21 generic or manufacturer-specific?
P2A21 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2A21 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU