OBD Guide

P02C2

Cylinder 11 - Fuel Trim at Max Limit

P02C2 is an OBD-II diagnostic trouble code meaning: Cylinder 11 - Fuel Trim at Max Limit. Common causes: dirty or faulty fuel injectors, air leaks in the intake manifold. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable idle
  • Increased fuel consumption
  • Power Loss
  • Misfire in cylinder 11

Causes

  • Dirty or faulty fuel injectors
  • Air leaks in the intake manifold
  • Malfunction of the oxygen sensor (lambda probe)
  • Problems with the fuel pump or pressure regulator
  • Contamination or damage to the air flow sensor

How to Fix

  1. Check the tightness of the intake tract for air leaks
  2. Diagnose the condition of the fuel injectors of cylinder 11
  3. Check the operation of the oxygen sensor and mass air flow sensor
  4. Assess the condition of the fuel pump and pressure regulator
  5. If necessary, replace faulty components

Related codes

Error P02C2 by Vehicle Brand

FAQ

What does the P02C2 code mean?

P02C2 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 - Fuel Trim at Max Limit

What causes a P02C2 error code?

The most common causes of P02C2 include: Dirty or faulty fuel injectors; Air leaks in the intake manifold; Malfunction of the oxygen sensor (lambda probe); Problems with the fuel pump or pressure regulator.

How do I fix a P02C2 diagnostic trouble code?

To fix P02C2: Check the tightness of the intake tract for air leaks. Diagnose the condition of the fuel injectors of cylinder 11. Check the operation of the oxygen sensor and mass air flow sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02C2?

Limited driving only, diagnose soon

How much does it cost to fix P02C2?

The estimated repair cost for P02C2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat