Need a
Repair Manual?
P02C4 OBD2: Cylinder 11 - Injector Restricted

P02C4 OBD2: Cylinder 11 – Injector Restricted

What Does the P02C4 Code Mean?

The P02C4 code indicates that the Engine Control Module (ECM) has detected a restriction in the fuel injector associated with cylinder 11. This code is triggered when the fuel pressure sensor reports values that are inconsistent with the expected range defined by the Powertrain Control Module (PCM).

What Causes the P02C4 Code?

Several factors can lead to the P02C4 code being set, including:

  • Fuel injector failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues affecting the fuel injector

What Are the Symptoms of the P02C4 Code?

Drivers may notice several symptoms related to the P02C4 code, including:

  • Decreased engine performance
  • Increased fuel consumption

How Serious Is the P02C4 Code?

The P02C4 code is categorized as urgent, indicating that immediate attention is required. Ignoring this code can lead to severe engine damage and potentially pose safety risks to the driver and passengers.

How to Diagnose the P02C4 Code

To properly diagnose the P02C4 code, a mechanic should follow a comprehensive diagnostic routine, which includes:

  • Using an OBD-II scanner to confirm the presence of the P02C4 code.
  • Inspecting the fuel injector and associated wiring for visible damage.
  • Testing the fuel pressure and comparing it to the specifications set by the manufacturer.

Common Repairs for the P02C4 Code

Repairs commonly required to address the P02C4 code include:

  • Replacing the fuel injector associated with cylinder 11.

How Much Does It Cost to Fix the P02C4 Code?

The cost to fix the P02C4 code can vary widely depending on the vehicle make and model, labor rates, and parts pricing. On average, you can expect to pay between $150 to $500 for repairs, particularly if a fuel injector replacement is necessary.

Can I Fix the P02C4 Code Myself?

While it is possible for a knowledgeable DIYer to address the P02C4 code by replacing the fuel injector, it is crucial to conduct a proper diagnosis first. Be aware that improper repairs can lead to further complications. If in doubt, consult a professional mechanic.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

Leave a Reply

Your email address will not be published. Required fields are marked *

;