P0213 Injector Circuit Malfunction – Cylinder 12

Understanding P0213: Injector Circuit Malfunction – Cylinder 12

Have you ever encountered engine trouble where your car suddenly loses power and begins to misfire? One of the most common engine problems is an injector circuit malfunction.

In this article, we will focus on one specific type of injector circuit malfunction: P0213 – Cylinder 12 injector circuit malfunction. We will explain what P0213 means, its symptoms, causes, and possible solutions.

What is P0213?

P0213 is a Diagnostic Trouble Code (DTC) that indicates a malfunction in the cylinder 12 injector circuit. It means that the Engine Control Module (ECM) has detected an issue with the fuel injector circuit that supplies fuel to cylinder 12. The ECM monitors the fuel injector circuit for any electrical abnormalities and sends a signal to the Check Engine Light (CEL) when a problem is detected.

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Symptoms of P0213

When P0213 occurs, you may experience the following symptoms:

  • Engine misfires and runs rough
  • Reduced engine power
  • Engine hesitation or stalling
  • Increased fuel consumption
  • Check Engine Light (CEL) is illuminated

Causes of P0213

There are several possible causes of P0213, including:

  • A faulty fuel injector – The most common cause of P0213 is a failed injector in cylinder 12. The fuel injector may be clogged, damaged, or have an electrical issue.
  • Wiring or connection issues – The wiring or connections to the fuel injector may be damaged, corroded, or loose, causing a malfunction in the circuit.
  • Failed ECM – Rarely, a failed ECM may be the reason for P0213. This usually occurs in older vehicles with high mileage.

Diagnosing P0213

To diagnose P0213, a mechanic will use an OBD-II scanner to read the DTCs stored in the ECM. They will then perform a visual inspection of the fuel injector and its wiring and connections. If the fuel injector is found to be faulty, it will need to be replaced. The mechanic may also check the fuel pressure and perform a fuel system cleaning to ensure that there are no other issues.

Fixing P0213

The most common fix for P0213 is to replace the faulty fuel injector. This can be done by a qualified mechanic, or if you have the skills and tools, you can replace it yourself. It’s essential to ensure that the fuel injector is the cause of the problem before replacing it, as it can be an expensive and time-consuming fix. If the wiring or connections are faulty, these will need to be repaired or replaced.

P0213 is a common DTC that indicates a malfunction in the cylinder 12 injector circuit. It can cause engine misfires, reduced power, and other issues. If you experience any of the symptoms of P0213, it’s essential to have your car diagnosed by a qualified mechanic to ensure that the issue is fixed correctly. Ignoring the problem can lead to more severe engine damage and costly repairs.


  1. Can P0213 occur in any type of car?
    Yes, P0213 can occur in any type of car that has a fuel injector system.
  2. How long does it take to replace a faulty fuel injector?
    It depends on the make and model of your car and the location of the faulty fuel injector. It can take anywhere from 2-4 hours to replace a fuel injector.
  3. Can a clogged fuel filter cause P0213?
    No, a clogged fuel filter can cause engine performance issues, but it won’t trigger P0213.
  4. Is it safe to drive with P0213?
    It’s not recommended to drive with P0213 as it can cause severe engine damage and lead to costly repairs.
  5. Can P0213 be prevented?
    Preventing P0213 involves regular maintenance of your car’s fuel injector system. This includes using high-quality fuel, cleaning the fuel system regularly, and replacing the fuel filter as recommended by the manufacturer.