water in fuel light after fuel filter change? - Ford Powerstroke Diesel Forum
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Old 05-31-2011, 11:04 PM
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water in fuel light after fuel filter change?

so my water in fuel light came on 2 days ago. parked the truck. emptied the seperator from under the truck on the frame. replaced both fuel filters. drove the truck less then a mile, and the water in fuel light comes back on!

any ideas?drain the seperator some more. it was barely trickling down when i buttoned everything back up. this has me stumped and worried. my trucks been so good to me!

let me know..

also, is there any addictive i should throw into the tank to get rid of the water.

lastly, my truck has a little bit over 3/4 of a tank full of fuel. i would expect the tank to be empty before throwing the fuel in water ight. am i wrong?

thanks!
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Old 05-31-2011, 11:36 PM
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Ford filters right
This my help HFCM Draining - PowerStrokeNation
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Old 05-31-2011, 11:41 PM
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(any addictive i should throw into the tank to get rid of the water.) If you have water in it you have to keep draining it, run some into a jar to see if you have water it will be on the bottom of the jar only need 2-4 oz.
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Old 06-01-2011, 02:09 AM
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Last year I had to drain mine 4 or 5 times to get the light to stay off
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Old 06-01-2011, 03:39 AM
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When you get corrosion in the HFCM water drain manifold, you can experience a light that comes on frequently - even when there is no water in it. You can take the manifold off and clean it, or replace it. Some people have had success by bending the end of a plastic spray tube, getting a can of brake Kleen, and spraying up in the manifold and letting it drain afterwards. From ones I have seen, I would probably remove the manifold and see what I had going on, they can get pretty gunked up if you have had bad fuel.
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Old 06-01-2011, 04:10 AM
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thanks for the help.
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Old 06-01-2011, 05:22 AM
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That water in fuel light is a POS! Mine comes on and the HFCM isn't even on the truck any more. I wouldn't put a lot of faith in it. Drain the HFCM into a clear container and see if there is water in it. It will separate if there is. If you don't see water forget about it and reset the display.
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Old 06-01-2011, 03:14 PM
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thanks again.
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Old 06-01-2011, 04:13 PM
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might be a sensor issue... this is what i just drained.


ideas?
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water in fuel light after fuel filter change?-springfield-20110601-00021.jpg   water in fuel light after fuel filter change?-springfield-20110601-00020.jpg   water in fuel light after fuel filter change?-springfield-20110601-00019.jpg  
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  #10  
Old 06-02-2011, 07:58 AM
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Sure doesn't look like any water there to me. Like I said, something with that setup is FUBAR. I don't even have a sensor and I keep getting those warnings.
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