P2A21
Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)
P2A21 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector). Common causes: high pressure fuel pump malfunction, problems with the electrical injection pump control circuit. Estimated repair cost: $167–556.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Power Loss
- The engine goes into emergency mode
- Difficulty starting the engine
Causes
- High pressure fuel pump malfunction
- Problems with the electrical injection pump control circuit
- Contaminated or worn pump components
- Malfunction of the fuel injection pump rotor position sensor
- ECU software problems
How to Fix
- Check the electric injection pump control circuit
- Diagnose the operation of the high pressure fuel pump
- Check the fuel injection pump rotor position sensor
- Update ECU software if necessary
- Replace the injection pump if a malfunction is detected
Related codes
Error P2A21 by Vehicle Brand
FAQ
What does the P2A21 code mean?
P2A21 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)
What causes a P2A21 error code?
The most common causes of P2A21 include: High pressure fuel pump malfunction; Problems with the electrical injection pump control circuit; Contaminated or worn pump components; Malfunction of the fuel injection pump rotor position sensor.
How do I fix a P2A21 diagnostic trouble code?
To fix P2A21: Check the electric injection pump control circuit. Diagnose the operation of the high pressure fuel pump. Check the fuel injection pump rotor position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A21?
Limited driving only, diagnose soon
How much does it cost to fix P2A21?
The estimated repair cost for P2A21 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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