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04-07-2015, 07:59 PM
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#1
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Senior Member
Join Date: Apr 2014
Location: Des Moines, Iowa
Posts: 255
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"Water in fuel" warning question.
I'm getting a water in fuel warning on Freightliner dash display. It happened before 3 months ago, I added a fuel additive and the warning went away in approximately 100 miles of driving. I'm wondering where the sensor for this water is located?
I'd also be open to any comments or recommendation on this situation.
Thanks,
Robby
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04-07-2015, 08:10 PM
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#2
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Senior Member
Join Date: Jul 2012
Location: Circleville, Ohio
Posts: 102
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Our previous coach, also a freightliner chassis, would occasionally give the water in fuel message also.
It usually happened after driving in rain. The sensor is on the bottom of the fuel filter. I could "fix" it by unplugging the sensor, drying the connector, and it would be good again.
We considered it more of a good rain indicator than a water in fuel indicator.
__________________
2012 Winnebago Tour JD
2014 Chevy Tahoe
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04-08-2015, 05:30 AM
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#3
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Senior Member
Join Date: Apr 2014
Location: Des Moines, Iowa
Posts: 255
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Quote:
Originally Posted by Steve COH
Our previous coach, also a freightliner chassis, would occasionally give the water in fuel message also.
It usually happened after driving in rain. The sensor is on the bottom of the fuel filter. I could "fix" it by unplugging the sensor, drying the connector, and it would be good again.
We considered it more of a good rain indicator than a water in fuel indicator.
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That's interesting because it was rain yesterday when I went to pick it up. I've replaced the water separator filter last year and noticed it had a wire connector going to it.
When it happened before, I drained off some fuel from the petcock on the filter into a clear bottle but didn't notice any water in the fuel.
Robby
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04-08-2015, 06:34 AM
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#4
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Posts: 14,608
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If you do have a water separator filter with a peacock drain try draining some fuel into a clear bottle and let it sit for a while and see if there is fuel and water in the bottle. If you have gotten this message twice in 3 months after changing your filter it may be that you got a bad batch of fuel and have water in your tank.
I've owned my coach for +5 years and never have gotten this message. I change my filters annually.
When I first bought the coach I did have some algae in the fuel and used a algaecide (Biobor) to get rid of it. Now when I park my coach for any length of time I park it with a full fuel tank and add a dose of Biobor to keep algae out. A full tank will also stop condensation forming in the tank.
__________________
Jim J
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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04-08-2015, 04:08 PM
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#5
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Senior Member
Entegra Owners Club
Join Date: Jan 2001
Location: Cape Cod, MA
Posts: 1,803
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We had that problem too. Freightliner said to drain less than an once from the filter. I did that 3 times and still had the problem. I changed the filter and it did it again a little while later. Then I READ HERE clean the sensor and fill it with die-electric grease. It's been good for a couple of years now.
__________________
Jeanie, Ed & Slade the GSD(RIP)
Cape Cod, MA
2017 Entegra Aspire RBQ & Silverado Crew or GC
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04-08-2015, 04:34 PM
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#6
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Member
Join Date: Mar 2015
Posts: 83
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I use heet on every fill up. 2.49 at auto zone.
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04-09-2015, 02:59 PM
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#7
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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You do not want to use anything that causes water to be passed through to your injectors, they don't like water-any-none-zip.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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