3406E (5EK) high Fuel temperature Warning ( sensor location ?)

Discussion in 'Trucks [ Eighteen Wheelers ]' started by sunsation288, Oct 21, 2014.

  1. sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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    Hello all , i have one of my 3406E with a logged code
    174-0 High Fuel Temperature Warning
    174-3 Fuel Temperature voltage high
    and i don't know where is he ?
    can you help ?
    FAUTE FUEL TEMPERATURE HIGH.jpg IMG_1146.jpg IMG_1147.jpg IMG_1148.jpg IMG_1149.jpg IMG_1150.jpg IMG_1155.jpg IMG_1156.jpg IMG_1157.jpg
     
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  3. Tmtbob

    Tmtbob Medium Load Member

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    Mar 3, 2014
    Oklahoma
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    Fuel temp sensor is the sender just to the left of the cat filter in the valve body. I don't see it in any of your pics but you can see the valve body I'm talking about in the 3rd pic
     
  4. sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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  5. Tmtbob

    Tmtbob Medium Load Member

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    Mar 3, 2014
    Oklahoma
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    It's not showing up
     
  6. sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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  7. Tmtbob

    Tmtbob Medium Load Member

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    Mar 3, 2014
    Oklahoma
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    It should be right behind your return line. In the far left of that pic is your return line with the silver 90 degree fitting. Maybe mine is different. I'll post a pic of where it is on mine. [​IMG]
     
  8. sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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    many thanks Tmtbob for you help , right now the truck have leave for the week , as soon he come back i will dig more
    many thanks again
     
  9. sunsation288

    sunsation288 Light Load Member

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    Jan 12, 2014
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    ****PROBLEM SOLVED**** , we have found the temperatur sendor was replaced by a potentiometer , and it was broken
     
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