1987 Ford F150 fuel tank switching

1987 FORD F-150
220,000 MILES • V8 • 4WD • AUTOMATIC
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TKM3393
  • MEMBER
  • 1 POST
after running about one mile or so, sometimes less, sometimes more,the number 1 fuel tank -front one-stops and switches to the number 2 -back one-tank. it will not stay on the number one tank even after driving awhile.what is wrong
Apr 3, 2008 at 7:47 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
first i would like to ask how you know it is switching to the rear tank?
Apr 8, 2008 at 10:26 AM
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