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    HELP!! Trouble diagnosing acceleration stumble, 96, FORD, E350 van, 5.8, EFI EEC-IV, E4OD

    Hello trouble shooters. I have an issue with my van that is driving me nuts. 96 was the transition year from OBDI to OBDII and my van was early on the line so it did not get the OBDII system. I am getting what I describe as a stumble when trying to accelerate in the higher gears. The...