OBD Guide

P02C3

Cylinder 11 - Fuel Trim at Min Limit

P02C3 is an OBD-II diagnostic trouble code meaning: Cylinder 11 - Fuel Trim at Min Limit. Common causes: contamination or malfunction of the air flow sensor, vacuum leaks. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Misfire in cylinder 11

Causes

  • Contamination or malfunction of the air flow sensor
  • Vacuum leaks
  • Oxygen sensor malfunction
  • Clogged fuel injectors
  • Problems with the Exhaust Gas Recirculation (EGR) system
  • Mechanical engine problems (piston group wear)

How to Fix

  1. Check the tightness of the intake tract for leaks
  2. Check the operation of the mass air flow sensor and oxygen sensors
  3. Clean or replace fuel injectors
  4. Check the EGR system for clogging
  5. If necessary, carry out compression diagnostics in the cylinder

Related codes

Error P02C3 by Vehicle Brand

FAQ

What does the P02C3 code mean?

P02C3 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 - Fuel Trim at Min Limit

What causes a P02C3 error code?

The most common causes of P02C3 include: Contamination or malfunction of the air flow sensor; Vacuum leaks; Oxygen sensor malfunction; Clogged fuel injectors.

How do I fix a P02C3 diagnostic trouble code?

To fix P02C3: Check the tightness of the intake tract for leaks. Check the operation of the mass air flow sensor and oxygen sensors. Clean or replace fuel injectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02C3?

Limited driving only, diagnose soon

How much does it cost to fix P02C3?

The estimated repair cost for P02C3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat