Ruben9237
Well-Known Member
- Joined
- August 15, 2020
- Messages
- 159
- Reaction score
- 95
- City, State
- NC
- Year, Model & Trim Level
- 1999 Ford Explorer xlt
Turned out to be the plugs.they where all fouled out put new ngk plus this morning runs great.does anyone know what the rpm’s should be around 80 with 33s and the 4.56 gears I feel that it’s a little high but I don’t know because my rom gauge works when it wants too and does anyone know how I can adjust my Speedo for the bigger tires and gears (there is no sensor on the t case or trans)5 speed manual 4.0ohvSounds like a fuel delivery issue when under load