The condition of the removed plug may have interesting clues as Mustangman suggested. I would probably do a compression test first, followed by the injector swap if compression results looked OK.
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Misfiring Alero | 3 | 711 | June 14, 2010 | |
| Engine idles rough till it stalls | 1 | 552 | December 2, 2013 | |
| Car wont start after driving it and turning it off .. have to wait up to 2 hours | 13 | 10557 | October 15, 2018 | |
| Cylinder 1 Missfire | 8 | 953 | December 11, 2016 | |
| Rough idle 2003 PT Cruiser 2.4 Turbo | 3 | 2006 | May 23, 2018 |