OBD Guide

P02C2

Cylinder 11 - Fuel Trim at Max Limit

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