P2A1A

Injection Pump Fuel Metering Control E (Cam/Rotor/Injector)

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Unstable engine idling
Loss of power during acceleration
Increased fuel consumption
Difficulty starting the engine
Dips when pressing the gas pedal

Causes

Worn chamber, rotor or pump injector
Fuel system contamination
Malfunction of the pump rotor position sensor
Problems with wiring or contacts
Low pressure in the fuel system

How to Fix

Check the pressure in the fuel system
Inspect the condition of the high pressure fuel pump
Check the pump rotor position sensor
Clean or replace fuel filters
If necessary, replace the fuel pump

Related codes

P2A00 P2A02 P2A04