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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

86 F-150 fuel sys.

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Old May 16, 2003 | 12:55 PM
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Angry 86 F-150 fuel sys.

I have a 86 F-150 w/302 efi. had a problem w/fuel tank switching. Now its stuck on front tank and will barely run & hard to start. Whats up with the strange fuel switching valve? Vacuum?? Where can I get a diagram?
 
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Old May 16, 2003 | 04:21 PM
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86 F-150 fuel sys.

well i got the same prob as u....excpet its da opposite..mines stuck on the rear tank. the local dealer said it was the selector valve but i cant find da damn thing and they have no idea where its at. i got a ford issue factoy book but in it...it dosent show where its at either...ive replaced both sendin units....fuel switch....switch in the dash...fuel pump on the rail...i have no idea....maybe someone else can i help....im another one wit ur problem
 
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Old May 16, 2003 | 06:08 PM
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86 F-150 fuel sys.

The Haynes manual shows where it is and tells how it works.
 
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Old Jun 6, 2003 | 08:46 AM
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86 F-150 fuel sys.

On my 1985 F150 the selector valve is located on the leftside frame rail about where the back of the cab ends.
 
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