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Old 08-03-2012, 07:04 AM
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Water in Fuel Light

97 F-250 4x4

So, my water in fuel light came on. I looked for the drain valve and think I found it but wasn't for sure. Other post say it is a yellow drain valve on the passenger side. I had a brass looking valve on the passenger side but it was hard to see and didn't feel like "feeling" it forever to see how to open it. Is that the right valve? How do you open it?

So, I ended up taking my filter off and using rags to soak the fuel out and I didn't see any water. The light still seems to come and go like it was before. How does the water detector work? Can I fix it or should I just but another one? Should I even worry about it if I drain it once a month?

Thanks for the help
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Old 08-03-2012, 07:12 AM


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When you turned the valve, do you hear it draining or no?
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Old 08-03-2012, 07:36 AM

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Dude just pull the yellow handle out, watch all of your diesel fuel drain down and dissapate into the cement, and close the valve.
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Old 08-03-2012, 11:50 AM
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Drain the fuel bowl into a glass jar (use a hose to extend the drain tube to the jar). Let it settle and you should be able to see the water if there is any. Cheers!
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