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1992 Ford F-250 Question: when i fill front gas tank with fuel, why does the fuel gradually

 

Question

1mrg, Fresno, CA, October 31, 2012, 16:02
 Rookie

goes to the rear tank? The same thing happens when i fill the rear tank with gas, it goes to the front tank.

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  • Answer #1

    pushrod October 31, 2012, 16:29
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     Master

    SWITCHING VALVE NOT WORKING PROPERLY. MISTAKEN ABOUT WHICH TANK HAS BEEN FILLED.
    I HAVE SEEN IT BEFORE. YOU WOULD HAVE TO WIND UP WITH THE SAME AMOUNT IN EACH TANK AT SOME POINT
    BY JUST PUTTING GAS IN ONLY ONE. IS THAT WHAT IS HAPPENING?

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    your.mechanic, October 31, 2012, 17:03
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     Master

    switching valve not working properly

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    pushrod, October 31, 2012, 17:36
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    YOU ARE THE BEST I EVER SAW! I AGREE!

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  • Answer #2

    Greg's Orange Auto (13199 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 31, 2012, 18:13
     Master

    poss switching valve is bad

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