Question about Ford F-150

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Truck will not start without pouring gas into carb after setting overnight

Will start and run ok until it sets for extended time again.

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  • 21 Answers

Try choking it or pumping the gas, possible vacuum leak, or choke not set correctly, carb may need to be adjusted, give more detailed question for more detailed answer. Good luck

Posted on Dec 31, 2013

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Posted on Jan 02, 2017

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  • 491 Answers

SOURCE: cabriolet wont start not getting gas

the fuel pump is bad and needs to be replaced

Posted on Nov 16, 2008

  • 255 Answers

SOURCE: 1987 Chevy R10 project truck won't start

check the float on the carb is stuck shut not letting fuel in

Posted on Aug 17, 2009

  • 356 Answers

SOURCE: Have a 98 gmc 5.7 truck have to prime to start truck.

Sounds to me like either your pressure regulator is bad or you have a loose fitting somewhere in the fuel line from the fuel pump to the engine. When you turn your key to the on position, you should hear the whine of the fuel pump until it builds pressure. When you shut the truck off the pressure regulator should retain the pressure for a certain amount of time but if it don't close then air is allowed into the fuel line and the fuel drains down to fuel line away from the engine. Next time you try and start the truck after it has sat for a while try turning the key on until you hear the fuel pump whine shut off, then repeat it 3-5 times and then try to start it. Basically that is running the pump enough to get the fuel back up to the injectors. Check for loose fittings in the fuel line, or cracks in the fuel line and if all that is fine then replace the regulator.

Hope that helps

Posted on Oct 03, 2009

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Lightly tap the CARB after or while cranking.If the vehicle has been in-op, the fuel in the bowl would have gone bad or dried out leaving a degree of corrosion behind. After soaking in fuel overnight, Tapping may permit the float to drop opening the needle valve. Chk the accelerator pump by working the throttle linkage. kEY OFF! lOOK INTO THE CARB TO VERIFY ACCELERATOR PUMP FUNCTION.. If you are pumping fuel, it should start. If no fuel, The pump may have dried up. Again, a good soaking overnight may swell up the plunger in the pump enough to get it working. Worse case scenario if none of this works is rebuild the CARB. Good Luck and be careful. _N_

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