will not start suspect fuel problem?

1988 FORD F-150
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TWORK
  • MEMBER
  • 2 POSTS
My 88 Ford F150 W/300 6 cyl eng will not start. Suspect fuel problem but
when fuel line was disconected it had no pressure. cahnged main fuel pump and still would not start. checked old pump and it works.
checked the wires with volt meter and no power.checked resistance and got a pos reading on both wires. has duel tanks but switching them does no good
Jan 15, 2006 at 12:17 PM
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STRAILER
  • Experienced Mechanic
  • 55,319 POSTS
Hello,

these trucks had a problem with the switching valve not working and cutting all gas off. It is located between the two tanks at the frame rail.

Here is a guide as well to go over the basics if the valves checks out.

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run some tests and get back to us so we can continue helping you.

Cheers, Ken

May 31, 2021 at 5:47 AM
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