Engine-CodesGeneric – P02C4

P02C4 Code - Cylinder 11 - Injector Restricted

Quick Answer

The diagnostic trouble code P02C4 indicates that there is a restriction in the fuel injector for cylinder 11 of the vehicle's engine. Common causes include Dirt, debris, or corrosion blocking the injector nozzle, Faulty injector solenoid, Clogged fuel filter. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P02C4 indicates Cylinder 11 - Injector Restricted.
Common causes
Common causes include Dirt, debris, or corrosion blocking the injector nozzle, Faulty injector solenoid, Clogged fuel filter.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P02C4 Description

The diagnostic trouble code P02C4 indicates that there is a restriction in the fuel injector for cylinder 11 of the vehicle's engine. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber for efficient combustion. When the injector is restricted, it can lead to a lean or rich fuel mixture, causing issues with engine performance, fuel efficiency, and emissions.

OBDII Code P02C4 - Cylinder 11 - Injector Restricted
P02C4 Code - Cylinder 11 - Injector Restricted

Common Causes of P02C4

  1. Dirt, debris, or corrosion blocking the injector nozzle
  2. Faulty injector solenoid
  3. Clogged fuel filter
  4. Wiring or electrical issues with the injector
  5. Fuel contamination or poor quality fuel

Symptoms of P02C4

  1. Rough idling or engine misfires
  2. Decreased engine power and acceleration
  3. Poor fuel efficiency
  4. Check Engine Light illuminated
  5. Engine hesitation or stalling

How to Fix P02C4

  1. Begin by diagnosing the specific cause of the injector restriction using a scan tool to pinpoint the issue.
  2. Inspect the fuel injector for any visible signs of blockage or damage. Clean or replace the injector as needed.
  3. Check the fuel filter and replace it if clogged or dirty.
  4. Test the injector solenoid and wiring for proper operation. Repair or replace any faulty components.
  5. Clear the trouble code from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P02C4

The cost of repairing a restricted fuel injector for cylinder 11 can vary depending on the specific cause of the issue and the vehicle's make and model. On average, the repair cost can range from $150 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's recommended to obtain quotes from local repair shops to get a more accurate estimate for your specific situation.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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