OBD Guide

P02C9

Cylinder 12 - Injector Leaking

P02C9 is an OBD-II diagnostic trouble code meaning: Cylinder 12 - Injector Leaking. Common causes: worn injector seals, mechanical damage to the injector. Estimated repair cost: $167–444.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–444 (est.)

Symptoms

  • Misfires
  • Increased fuel consumption
  • Unstable engine idling
  • Reduced engine power

Causes

  • Worn injector seals
  • Mechanical damage to the injector
  • Nozzle contamination
  • Problems with the high pressure fuel system

How to Fix

  1. Injector diagnostics
  2. Replacing injector seals
  3. Cleaning or replacing the nozzle
  4. Checking the high pressure fuel system

Related codes

Error P02C9 by Vehicle Brand

FAQ

What does the P02C9 code mean?

P02C9 is an OBD-II diagnostic trouble code that indicates: Cylinder 12 - Injector Leaking

What causes a P02C9 error code?

The most common causes of P02C9 include: Worn injector seals; Mechanical damage to the injector; Nozzle contamination; Problems with the high pressure fuel system.

How do I fix a P02C9 diagnostic trouble code?

To fix P02C9: Injector diagnostics. Replacing injector seals. Cleaning or replacing the nozzle. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02C9?

Limited driving only, diagnose soon

How much does it cost to fix P02C9?

The estimated repair cost for P02C9 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat