OBD Guide

P2A12

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

P2A12 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control C (Cam/Rotor/Injector). Common causes: worn fuel pump cam washer, problems with the plunger pair of section c. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Flashing

Causes

  • Worn fuel pump cam washer
  • Problems with the plunger pair of section C
  • Feed control solenoid valve malfunction
  • Open or short circuit in control circuit
  • Contamination of fuel or water in the system

How to Fix

  1. Check the pressure in the fuel system
  2. Diagnose the condition of the high pressure fuel pump
  3. Check the integrity of the control circuit and connectors
  4. Test the operation of the solenoid valve
  5. If necessary, replace the fuel pump or its components

Related codes

Error P2A12 by Vehicle Brand

FAQ

What does the P2A12 code mean?

P2A12 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control C (Cam/Rotor/Injector)

What causes a P2A12 error code?

The most common causes of P2A12 include: Worn fuel pump cam washer; Problems with the plunger pair of section C; Feed control solenoid valve malfunction; Open or short circuit in control circuit.

How do I fix a P2A12 diagnostic trouble code?

To fix P2A12: Check the pressure in the fuel system. Diagnose the condition of the high pressure fuel pump. Check the integrity of the control circuit and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A12?

Limited driving only, diagnose soon

How much does it cost to fix P2A12?

The estimated repair cost for P2A12 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

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