Water in fuel? - Diesel Bombers



Chevy/GMC Duramax 04.5-05 LLY Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines

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Old 05-21-2018, 06:50 AM
fireman-1781's Avatar
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Location: Mountain Home, NC
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Default Water in fuel?

05 LLY 2500 crew cab with 180,000+ miles, EGR Delete, S&G cold air intake, 6" fabtec lift with 35-12.50-17.
I had an issue with loosing prime so I rebuilt the fuel filter housing and it didn't fix my issue. I then replace the water fuel sensor plug that screws into the bottom of the filter and Walla losing prime issue resolved only now my instrument panel is telling me I have water in my fuel. She runs great there isn't any lose of power or hesitation. How can I get that message of my display?
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Old 05-26-2018, 09:58 AM
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We have an 05 duramax 3500. Maybe around 2008 on the tow home from Az the water in fuel popped up. many times since because we don't drive the truck for 6 months and going south same story. After many times during maintenance at the chev shop it was decided the computer is at fault. Uh hooking the water sensor didn't make a difference either. The fuel has been tested many times by me and the chev tech added this when he said it was the computer, (no water in the fuel) A new computer would be installed but It isn't that important.

I change the fuel filter each summer plus have changed the water sensor once before it was determined the computer was the issue. I have no answer for your problem. 99000 miles on our awesome towing truck and still seems it is new.

labarn
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