P0302 Cylinder 2 Misfire Detected
What does P0302 mean?
P0302 — Cylinder 2 Misfire Detected. This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects cylinder 2 misfire detected. The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of P0302
- Faulty spark plug or ignition coil on cylinder 2
- Clogged or leaking injector on cylinder 2
- Vacuum leak at the intake runner for cylinder 2
- Low compression in cylinder 2
- Engine mechanical or valvetrain wear
How to fix P0302
- Verify misfire count with an OBD-II scanner
- Swap coil and plug from cylinder 2 to another cylinder and watch the misfire move
- Inspect the cylinder 2 injector
- Compression test cylinder 2
- Check the intake runner for leaks