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This is a follow up video from a previous video I made on what to do when your 7.5 EFI has an intermittent hesitation and idle issue. After changing FP reg, filter, fuel pump, cleaning fuel rail, fuel pump relay, PCM..I finally thought to try the mapp sensor. BAM! Fixed the problem! Hallelujah!
What kept throwing me off was the fact that when the problem would occur, If I threw the tank switch, it would immediately temporarily fix the problem. I'm thinking now that because of a voltage jump when switching, it would snap out of it..then occur again later. Anyways, its fixed. All is good