P02AD
Cylinder 5 Injector Leaking
Generic OBD-II
Common symptoms
What you'll notice
- Check the fuel injector for any visible leaks or damages
- Replace the faulty fuel injector with a new one
- Clean the fuel injector to remove any clogs or debris
- Check the fuel pressure to ensure it is within the recommended range
- Inspect and clean the intake valves to improve fuel flow
Common causes
Most likely first
- Faulty or clogged fuel injector in cylinder 5
- Loose or damaged injector seal in cylinder 5
- Engine misfire in cylinder 5 due to ignition problem
- ECU/PCM issue causing incorrect fuel delivery to cylinder 5
- Fuel contamination affecting injector performance in cylinder 5
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased fuel efficiency
- Loss of power or acceleration
- Irregular engine idling
- Increased exhaust emissions
Read & clear P02AD yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.