fuel gauge issue

ratrod36

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Feb 13, 2019
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hi all

i have an 02 excursion 7.3
i am having a problem with my fuel gauge dropping to empty when i have a full tank of fuel.
im not sure if its a sending unit or the gauge its self thats going bad

this does not happen all the time

thanks for your time
glen
 

PSD POWER007

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Jan 19, 2014
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Columbus, GA
My 05 Excursion did this when I bought it last year. I read that there is build up on the sender card. I read to run Chevron with Techron concentrate in the fuel. I ran the big black bottle from Walmart. It took about 6-7 tanks of fuel, but it finally quit doing it and has worked normally ever since.
 

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