water in fuel light - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 09-19-2010, 07:19 AM Thread Starter
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water in fuel light

Ok so is this really as bad of a light as the manual says? I went through Mikes cr wash last night and got the underbody spray and it came on. I have emptied the (forget name) part on the frame rail where you pull the plug and let it drain 2wice. It is still coming on? This happened last night and I have not checked it today but what could be wrong? I doubt water got in the fuel lines from the car wash. I wonder if the sensor can go bad or something or if the whole thing might be bad?

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post #2 of 7 Old 09-19-2010, 09:30 AM
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i would check the sensor and or give it a few days to dry out. Doubtful you got water in your fuel line if fuel is not getting out. Leaks dont happen one way

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post #3 of 7 Old 09-19-2010, 09:54 AM
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These sensors can corrode over time. Someone mentioned that after draining all the fluid out, they took a can of carb cleaner with the little plastic tube, heated the tube and bent it a little and sprayed the heck out of the sensor area (you can see where the sensor is located) and spray the inside real good. Worked for Him. Others suggest replacing the thing (sensor) I don't know the cost of replacement or the part number. Good luck!

Someone else might chime in and give you more info on this!
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post #4 of 7 Old 09-19-2010, 11:14 AM
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so i just searched water in fuel lamp for f250 and got lots of answers from google, i would search it and see if anything applies to you

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post #5 of 7 Old 09-19-2010, 03:19 PM
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OK, here is a really dumb question. I just got this truck 6 months ago, It had 19000 miles on it and I took it to Ford and had the fuel filters changed. I now only have 23,000 miles on it. Since them I have never losened the fitting to drain the water

What should i expect when i do this, does it constantly drain until i rescrew the fitting back in, or just drain whatever water is right there?
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post #6 of 7 Old 09-19-2010, 04:08 PM Thread Starter
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It will only drain what is in the water/fuel seperator.

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post #7 of 7 Old 09-19-2010, 07:17 PM
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Quote:
Originally Posted by Superduty123 View Post
OK, here is a really dumb question. I just got this truck 6 months ago, It had 19000 miles on it and I took it to Ford and had the fuel filters changed. I now only have 23,000 miles on it. Since them I have never losened the fitting to drain the water

What should i expect when i do this, does it constantly drain until i rescrew the fitting back in, or just drain whatever water is right there?
Get a small glass jar and drain it about 2-4 oz and check if there is any water in the fuel, this should be about every 2 months. To make life easy get one of these Diesel Technician Society
When you change your fuel filters no more than 15k and if you pull heavy 10k. turn on the key 3 times 15 seconds each time to prime the system then start and only use Ford filters
This may also be of some help
http://www.dieselfiltersonline.com/D...ence-Guide.pdf
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