P02AB

Cylinder 5 - Fuel Trim at Min Limit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Uneven engine operation
Power reduction
Increased fuel consumption
Misfire in cylinder 5

Causes

Fuel injector malfunction (leaking or clogged)
Problems with the ignition system in cylinder 5
Vacuum leak
Low fuel pressure
Problems with the oxygen sensor

How to Fix

Check the functionality of the injector of cylinder 5
Test the ignition system (plugs, coils)
Check the tightness of the intake tract
Measure fuel pressure
Check oxygen sensor readings

Related codes

P0171 P0174 P0305