1988 F-150 inline 6 cyl. 4wd. tank selector switch was used now won't start

 
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mottvillemama's Avatarmottvillemama posted on
February 20, 2012, 5:46 am
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my truck has front tank only, the rear tank removed. flipped swtch and
truck revved about 4000 rpm and killed engine right away.truck will not
start now.


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mottvillemama



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David's AvatarDavid posted on
February 20, 2012, 5:53 am
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Re: 1988 F-150 inline 6 cyl. 4wd. tank selector switch was used now won't start


In my old 1989 dual tank truck, the tank selector valve is operated by
the fuel pressure of the low pressure in-tank fuel pump; the switch only
selects which fuel pump runs, the front or rear.   Perhaps the valve is
stuck.  You can try to bypass the selector valve if you haven't already
and connect the lines from the front tank directly to the selector valve
outputs.


On Mon, 20 Feb 2012 10:46:42 +0000, mottvillemama wrote:



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