5.4L V8 sputter when gas is low and no pressure sound when i remove gas cap.

2006 FORD F-150
150,000 MILES
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YVETTE4707
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  • 1 POST
truck sputter when gas low or when accelerating up hill if i donot really apply pressure to pedal. Gas valve shutoff like tank is full when i try to put gas in the tank , takes me 15-20 min. to pump gas. No check engine light is on
Dec 29, 2011 at 2:06 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
In tank fuel pumps are cooled and lubricated by the fuel in the tank. When you run a car very low or out of gas, it pumps a lot of air through the pump which overheats it and causes some severe wear and many times, failure when they cool off. You should never run it that low. The filling problem could be a clogged vent but that will have to be investigated further.
Dec 29, 2011 at 2:49 PM
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