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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 Problem

Old Nov 20, 2014 | 06:10 PM
  #1  
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blueoval65
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From: East Tennessee
Fuel Problem

My buddy recently bought 96 F150 XL 4.9 6cyl. He's had trouble with the fuel gauge on both tanks. I helped him take the bed off, & replace the float in one of the tanks. Didn't really help. Lately it will run good on one tank for a while, then start running rough till it dies, He'll switch tanks, refire it & it'll run good on that one for a while, then do it all over again.
He also said he ran on front tank for a while, but when he filled em up it only held a gallon. I'm wondering if its transferring fuel for some reason.
Any info y'all got that I can pass along would be GREATLY appreciated. Thanks

Later
 
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Old Nov 24, 2014 | 11:09 PM
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UNTAMND
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From: Lansdale, PA
Fuel transfer is a common thing. The fuel gauge has a module in the instrument cluster. That could be bad causing irregular level readings.
As far as running rough, is there crap in the tank plugging the fuel sock. Not sure why it would run ok sometimes and then bad, switch tanks and it runs fine for a while and does it again.
Back to top for more eyes.
 
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Old Nov 25, 2014 | 01:58 AM
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You should have replaced the entire fuel pump assembly.
 
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Old Nov 26, 2014 | 06:36 AM
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From: Easton,Ks
Originally Posted by UNTAMND
The fuel gauge has a module in the instrument cluster. That could be bad causing irregular level readings.
The 1996 F-150-F350 stock cluster does not have the module. Only the F53 and vans have the module in the truck line. If someone replaced the cluster with one from a van you would then have the module.

The module in the f53 and vans:



/
 
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