Chrysler 300 Mechanical Problems and Questions
Spark plug fouling trouble. I have a 2008 Chrysler 300C with the Hemi.
Cylinder #7 misfired (codes P0307 and P1417) and wouldn't work. Spark plugs were fouled (black material), so I believe the/a plug wasn't firing due to fouling. I cleared the codes, wiped plugs (reinstalled same plugs) and...