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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Fuel issue

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Old Apr 20, 2010 | 11:13 PM
  #1  
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From: El Cerro Mission - LL
Fuel issue

1989 F-250 Lariat, Dual tanks. Front tank shows full however when selected truck dies. Filter issue or something else?
 
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Old Apr 21, 2010 | 07:52 AM
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From: Easton,Ks
Check to see if your front in-tank fuel pump runs when you switch to it.
 
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Old Apr 21, 2010 | 05:28 PM
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How do I do that? Have not worked on older trucks in a long time.
 
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Old Apr 21, 2010 | 06:11 PM
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From: Easton,Ks
You can select the front tank, take the fuel cap off and listen while someone turns on the key. You should hear it run for one second each time the key is turned on. You might have to unplug the frame pump if the frame pump makes too much noise. That way you will know that you are hearing the right pump.
 
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