P02AE
Cylinder 6 - Fuel Trim at Max Limit
Per-cylinder fuel trim on cylinder 6 has reached its maximum correction limit. Cylinder running too lean structurally.
Per-cylinder fuel trim on cylinder 6 has reached its maximum correction limit. Cylinder running too lean structurally.
Common causes
- high
Cylinder 6 running structurally lean
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-2750
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P02AE.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for P02AE.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for P02AE.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does P02AE mean?
P02AE means "Cylinder 6 - Fuel Trim at Max Limit". It is a generic OBD-II code that points to a fault in the fuel & air metering (injector circuit).
What are the most common causes of P02AE?
cylinder 6 running structurally lean — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full P02AE diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.