P2A21

Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

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

P2A00 P2A01 P2A10