dies on accleration on 1991 Ford Aerostar

Engine starts right up idles good untill i start driving then Runs Rough, Stalls, Hesitates on Acceleration, Hard Starting, Poor Performance. I replaced idle control motor

Asked by for the 1991 Ford Aerostar
Look for a possible air intake leak or vacuum leak also.
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You need to check the fuel pressure and volume. I believe your problem lies in the fuel system.