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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
Ok I've had this problem before when I gowide openthrottle my car cut out but when i get of the gas then go wide open throttle its fine. Also sometimes my car will fill slugish when I'm just crusing in low rpms. I just put a brand new coil in ,A fuel pump,EGR valve and Fuel pump relay switch. And its still having the same problem .Last timeI had this problem it was my MSD box wasn't grouned good .But thats not the problem now I took the box off and its still doing the same thing.I got a feeling its sumthing electrical but iono wat could it be TPS? could sumone help please