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Fuel tank Question????

Discussion in 'The Garage' started by Supreme70, Feb 24, 2006.

  1. Supreme70

    Supreme70 1/2 ton status

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    I was wondering if anyone knows if the fuel pump on a 87 with t.b.i. is in the gas tank. the reason I ask is I have dual tanks and when on my left tank the truck runs great, but when i switch to the right tank the motor acts likes its running out of fuel, any help would be appreicated.
     
  2. thedrip

    thedrip 1/2 ton status

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    Pumps are in the tanks, yes.
     
  3. sweetk30

    sweetk30 professional hooker Premium Member

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    also it could be a bad switcher valve.
     
  4. Supreme70

    Supreme70 1/2 ton status

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    how would i know if the switcher valve is bad??? should i just change the pump and then see how it acts
     
  5. sweetk30

    sweetk30 professional hooker Premium Member

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    if the lines arnt to bad just try to by pass the switcher and see if it runs good . or remove output line from sender to switcher valve and install pressure gauge and see what pressure you have. line pressure before regulator should be in the 16-18 psi range.
     

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