My 91 Ford F150 4.9 inline 6 will not stay

Asked by Jul 23, 2017 at 06:40 PM

Question type: General

My 91 Ford F150 4.9 inline 6 will idle all day but
when I hit the gas it acts like it's running out of gas
I put a fuel pump relay I even went and got a new
fuel pump plug and wired it up it will idle all day but
if I hit the gas and Rev it up it will act like it's
running out of gas and then when I let go the pedal
and try to let it idle again it will die

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