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could be a bad plug wire(broke inside)happens alot because a least 3 wires or plugs are hard to get to and as a rule alot of times won't be replaced.

i personnaly have at least 1 broken plug wire on my 93,it has a pretty good miss at about35-50 mph. but leels out ok(really need to replace it.)

good luck.

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Q: What would cause a 1991 Ford Aerostar to feel as though it is hesitating when first pulling out and then again at about 30 MPH?
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