Q: Dies when you step on throttle
i have an 89 ford f150 351 efi ive replaced everything to do with the fuel new air cleaner fuel filters and all 3 pumps truck has full tanks and runs like a dream sounds great and will idle all day but the second you step on the throttle it dies and to keep it running you have to rapidly pump the throttle till it stalls and you have to pump the throttle several times to fet it to fire back off then it runs fine till you touch the throttle again
My car has 187000 miles.
My car has an automatic transmission.
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