d150 3.9 v6
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Joined: Jan 2021
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d150 3.9 v6
i have a 90 d150 with the 3.9 v6 and it dies on me sometimes. i drive a while and its fine then its only when i take off then it dies. i know when it does this its not getting fuel the fuel pump does not run and then i can wait a while and itll go again im thinking its a loose wire. if you have had this problem and know where it happend or what is going on i could use the help. thank you
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Joined: May 2019
Posts: 5,146
Likes: 721
From: S.W. Indiana
i have a 90 d150 with the 3.9 v6 and it dies on me sometimes. i drive a while and its fine then its only when i take off then it dies. i know when it does this its not getting fuel the fuel pump does not run and then i can wait a while and itll go again im thinking its a loose wire. if you have had this problem and know where it happend or what is going on i could use the help. thank you
Swap the fuel pump relay with the a/c relay. If the problem goes away, get a new relay and put the a/c back and the new one in the fuel pump relay position. If it doesn't make any difference, your pump may be going out.
