P029F

Cylinder 2 - Fuel Trim at Min Limit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Rough engine operation
Power reduction
Increased fuel consumption
Sometimes misfires

Causes

Air leak in the intake manifold
Malfunction of the fuel injector of cylinder 2
Low fuel pressure
Contaminated air flow sensor
Oxygen sensor malfunction
Vacuum leak

How to Fix

Check the tightness of the intake tract
Test fuel injectors
Check fuel pressure
Clean or replace the mass air flow sensor
Check the operation of oxygen sensors
Look for vacuum leaks

Related codes

P0171 P0172 P0174 P0302