P02DF
Cylinder 10 Fuel Injector A Offset Learning At Max Limit
Generic OBD-II
Common symptoms
What you'll notice
- Clean or replace the fuel injector in cylinder 10
- Check for any vacuum leaks in the intake manifold
- Inspect and clean the intake valves in cylinder 10
- Check the fuel pressure and ensure it is within the recommended range for the vehicle.
Common causes
Most likely first
- Faulty fuel injector or fuel injector wiring
- Incorrect fuel pressure or fuel delivery
- Vacuum leak in the intake manifold or engine
- Faulty fuel pressure regulator
- Engine control module (ECM) software issue
How to diagnose & fix
Work through it in order
- Engine misfire or hesitation during acceleration
- Poor fuel efficiency or excessive fuel consumption
- Rough idle or stalling at low speeds
- Engine running rough or shaking
- Check Engine Light (CEL) illuminates
Read & clear P02DF yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.