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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

gas tanks

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Old Jan 5, 2004 | 01:21 PM
  #1  
ricky27330's Avatar
ricky27330
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From: sanford nc
gas tanks

I have an 89 xlt f150 with twin tanks and i can only use the rear tank . When i flip the switch on the dash the gauuge goes from empty to full like it supposed to . But then the truck cuts off it just nout getting no gas when i flip back to the rear tank it fires right up. any suggetions ?

thanx RICKY
 
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Old Jan 5, 2004 | 02:06 PM
  #2  
kywoodwrkr's Avatar
kywoodwrkr
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Ford tanks

Ricky,
I went through the same pains.
After changing relay at least a dozentimes, well combinations anyway, I finally tested the tank switch on the dash.
When I by passed it both pumps worked.
Got a new flipper switch and all seems good again.
I had replaced front pump and it's sending unit still isn't right, but major problem was the weak arssed switch! Mine was a 90 with about 125k.
FWIW DaveP
 
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Old Jan 6, 2004 | 12:33 PM
  #3  
ricky27330's Avatar
ricky27330
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From: sanford nc
Man i owe you a cold beer .Ithough it was gonna cost me a crowd of money to fix it i.I put a new switch in it took about 10 minutes and that solved my problem.................THANK YOU

RICKY
 
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Old Jan 6, 2004 | 01:32 PM
  #4  
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kywoodwrkr
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Fords Funky Switch

Ricky27730,
Believe me I know that feeling of relief.
Me and little electrons just don't get along.
Appreciate that offer of a cold brew.
A hot toddy would be more like it here today.
Kind of a statement about these vehicles when it takes a whole population tied together with communication lines to keep the suckers running isn't it!
But it works!
Good luck.
DaveP
 
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Old Jan 6, 2004 | 02:17 PM
  #5  
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MavStallion
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From: Pittsburgh, PA
Hi, fellas, new to this board.

I had a similar problem with the '91 I bought last month. It turned out to be internal in the tank itself, not the switch. The fuel pump was bad. According to Ford and the independent shop I had do the work (I got lazy), if the switch shows a reading in the bad tank, it is not the switching mechanism.

Hope this helps.
 
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