P02AE
Cylinder 6 Fuel Trim at Max Limit
Generic OBD-II
Common symptoms
What you'll notice
- Check for any air leaks in the intake system
- Inspect and clean the fuel injectors
- Verify the proper functioning of the oxygen sensor
- Test and replace the fuel pressure regulator if necessary
- Monitor the ignition system and replace any faulty components (for petrol engines)
Common causes
Most likely first
- Faulty oxygen sensor in cylinder 6
- Clogged or dirty fuel injector in cylinder 6
- Fuel pressure regulator malfunction in cylinder 6
- Vacuum leak in the intake manifold of cylinder 6
- Engine misfire in cylinder 6
How to diagnose & fix
Work through it in order
- Engine misfire or rough idle
- Decreased fuel efficiency
- Loss of power or acceleration
- Hesitation or stumbling during acceleration
- Illuminated check engine light
Read & clear P02AE yourself
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