- 7
- 0
I have a 94 F-350 with a 7.3 IDI. When I drive it for more than an hour or so, It starts spiting gray smoke when I let off of the accelerator. Does anyone know what's going on?
Might have some valve seals leaking.I have a 94 F-350 with a 7.3 IDI. When I drive it for more than an hour or so, It starts spiting gray smoke when I let off of the accelerator. Does anyone know what's going on?