fuel problem 90 f150 5.0

when i turn the key on the fuel pump comes on and the truck will start. it will run for 15-20 seconds and cut out. after it cuts out with the key on i try to start it it will not start(cranks over but no start). turn the key off and back on it will start. i replaced the fuel filter still have the same problem. i have not put fuel in the second tank to see if that fixed the problem. what else could be the problem and how to check it......

Reply to
paintballfool
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Obviously you don't have the service manual. Search the group under 'fuel problems' and you will probably find a few leads (which, probably, involve a thing called the 'dual function reservoir' and the fact that you have at least three fuel pumps.

Reply to
Ken

yes i do have a service manual for the truck. and as far as i can see i don't have 3 fuel pumps. and all i did was put gas in the second tank and poof it was fixed. has a bad fuel pump. this is my first ford what does the fuel pressure regulator do....

Reply to
paintballfool

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