2000 Ford F-150 Stalls when parked on a incline

Tiny
MALDORO
  • MEMBER
  • 2000 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 126,000 MILES
Well maintained truck runs great and no issues starting at home. My parking space at work is on an incline. Truck starts but immediatly stalls when I let off of the gas. I noticed this with less then 1/2 tank of gas. I thinking fuel pump.
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Wednesday, March 4th, 2009 AT 9:31 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
When this happens, do you hear the fuel pump kick on with the key for a couple seconds? How steep of an incline is the park?
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Wednesday, March 4th, 2009 AT 3:18 PM
Tiny
MALDORO
  • MEMBER
It is pretty steep. When I pull in my space, it slopes down so the back of the truck is higher then the front. Not sure where the pump is located in the tank but when it is full, there is no issue. Only when I have less then 1/2 tank. Maybe there is nothing wrong. I havn't heard the pump because I have a loud squeal when it is cold. I have an Idler pulley and A/C clutch to resolve this, hopefully.
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Wednesday, March 4th, 2009 AT 9:50 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
Based on what you described and the mileage, I would guess that the screen on the pump is somewhat dirty, and when you are on the slope, the fuel pushes far enough forward causing the problem. The pump is aprox in the center of the tank. If the filter has dirt in it, it may not pick up the fuel if it is too low on the screen / filter. I bet if you were to do a volume test when it was in that position, you would find it is lower than minimum requirements.

The only way to be sure would be to remove the tank, remove the fuel pump and check it over and see if there is dirt in the bottom of the tank. If it makes you feel more confident, I have a 2000 Expedition. If I have less than a quarter tank and start the car to warm up on my slight sloped driveway pointing up hill, it will run out of gas until I coast it back on to the level. However, I have never had a problem with the pump other than that issue.

Let me know if you have other questions.

Joe
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Wednesday, March 4th, 2009 AT 10:15 PM

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