OBD Guide

P02C7

Cylinder 12 - Fuel Trim at Min Limit

P02C7 is an OBD-II diagnostic trouble code meaning: Cylinder 12 - Fuel Trim at Min Limit. Common causes: air leak in intake manifold, dirty or faulty fuel injectors. 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
  • Increased fuel consumption
  • Power Loss
  • Misfires

Causes

  • Air leak in intake manifold
  • Dirty or faulty fuel injectors
  • Malfunction of the mass air flow sensor (MAF)
  • Malfunction of the oxygen sensor (lambda probe)
  • Problems with the fuel pump or pressure regulator

How to Fix

  1. Check the tightness of the intake tract for air leaks
  2. Clean or replace fuel injectors
  3. Check the operation of the mass air flow sensor and lambda probe
  4. Check the fuel pressure in the system
  5. Scan the ECU for other errors

Related codes

Error P02C7 by Vehicle Brand

FAQ

What does the P02C7 code mean?

P02C7 is an OBD-II diagnostic trouble code that indicates: Cylinder 12 - Fuel Trim at Min Limit

What causes a P02C7 error code?

The most common causes of P02C7 include: Air leak in intake manifold; Dirty or faulty fuel injectors; Malfunction of the mass air flow sensor (MAF); Malfunction of the oxygen sensor (lambda probe).

How do I fix a P02C7 diagnostic trouble code?

To fix P02C7: Check the tightness of the intake tract for air leaks. Clean or replace fuel injectors. Check the operation of the mass air flow sensor and lambda probe. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02C7?

Limited driving only, diagnose soon

How much does it cost to fix P02C7?

The estimated repair cost for P02C7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat