OBD Guide

P2A1A

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

P2A1A is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control E (Cam/Rotor/Injector). Common causes: worn chamber, rotor or pump injector, fuel system contamination. Estimated repair cost: $167–556.

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

  1. Check the pressure in the fuel system
  2. Inspect the condition of the high pressure fuel pump
  3. Check the pump rotor position sensor
  4. Clean or replace fuel filters
  5. If necessary, replace the fuel pump

Related codes

Error P2A1A by Vehicle Brand

FAQ

What does the P2A1A code mean?

P2A1A is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control E (Cam/Rotor/Injector)

What causes a P2A1A error code?

The most common causes of P2A1A include: Worn chamber, rotor or pump injector; Fuel system contamination; Malfunction of the pump rotor position sensor; Problems with wiring or contacts.

How do I fix a P2A1A diagnostic trouble code?

To fix P2A1A: Check the pressure in the fuel system. Inspect the condition of the high pressure fuel pump. Check the pump rotor position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A1A?

Limited driving only, diagnose soon

How much does it cost to fix P2A1A?

The estimated repair cost for P2A1A is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat