P02C7

Cylinder 12 - Fuel Trim at Min Limit

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

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
Check the fuel pressure in the system
Scan the ECU for other errors

Related codes

P0171 P0172 P0174 P0175