Question about 1990 Ford F150

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1990 Ford F150 won't start after running out of gas

Ran out of gas, added 1/2 tank, now won't start? HELP!!

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  • Tarajean Kent
    Tarajean Kent Dec 19, 2008

    2nd part to problem: tried to purge air still won't start, have fuel at injectors. Also in western WA and it has been below freezing, would this have any other effect?

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After running out of gas, the system is still full of air/vapor. In the fuel injection system, the pump will run momentarily each time the ignition is turned on. You should be able to hear the pump. Each time the pump runs it purges some of the air through the return line back to the tank. Try turning the ignition on and off about 10 - 20 times to purge the air and vapor and fill the system back full of gas.

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Posted on Dec 19, 2008

  • Bruce Volkers
    Bruce Volkers Dec 19, 2008

    I suggest you might pick up a can of starting fluid. Carefully follow the instructions on the can for cold weather starting, and observe the warnings for it's use. If you really have a fuel related problem you should at least get the engine to respond. If you were really low on fuel it may have picked up some water from the tank. If you get the engine to start using the starting fluid, the water should pass through and the engine return to normal operation. If the engine does not respond to the starting fluid, there must be some other problem, such as ignition or a mechanical problem. Meaning that you didn't really run all the way out of gas to start with. In which case repairs are necessary.

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Sounds like fuel pump is dead check for fuel at injectors

Posted on Dec 19, 2008

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