- Joined
- May 13, 2000
- Messages
- 4,651
- Reaction score
- 104
- City, State
- Cape Girardeau, MO
- Year, Model & Trim Level
- 94 Sport 4x4
Well, if your plugs are sooty and dark, sometimes that means the engine is running rich. A bad fuel pressure regulator can cause the engine to run rich...