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Old 08-27-2017, 01:38 PM   #1
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Freightliner 'Low Fuel' Alert !!!!

I have a new Newmar 3709 on a Freightliner Chassis. Today, I got a repeating (and annoying) alert when I got to 75% to 80% empty. Is this normal and is something I want?
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Old 08-27-2017, 02:33 PM   #2
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I would get a low fuel alert when I was at a quarter tank and yes it is annoying.
I eventually started looking for fuel at half tank. One of the reasons I upgraded to the 150 gallons.
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Old 08-27-2017, 03:02 PM   #3
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On our Essex with 150 gallon tank the low fuel lights comes on with about 120 to 125 gallon down. That is about as far as we should go to get fuel so no problem. Essex is on Spartan chassis which means both are real close to the same point as far as warning low on fuel. DON'T run out of fuel. Remember gen. stops running when fuel gets down to about 25%.
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Old 08-27-2017, 03:08 PM   #4
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Excellent point about the generator Tom. I'd forgotten about that. Thanks. Most likely the reason they designed it that way.
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Old 08-27-2017, 07:09 PM   #5
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Quote:
Originally Posted by bobmoore1954 View Post
I have a new Newmar 3709 on a Freightliner Chassis. Today, I got a repeating (and annoying) alert when I got to 75% to 80% empty. Is this normal and is something I want?
Ha, had the exact thing happen to us the morning on our way back to home base... I vigorously looked for a fuel stop nervous I was about to run out of fuel ...I understand the alert but moving forward I'll keep in mind not to be so nervous..thank you for posting ..safe travels
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Old 08-28-2017, 07:00 AM   #6
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I've found the low fuel indicate to be super annoying. Wish they had a, "Shut the ****", option for it. Better yet, why not make the alarm level adjustable?
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Old 08-28-2017, 07:02 AM   #7
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Our warning will go on with about 30-35 gallons left in the tank
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Old 08-28-2017, 02:29 PM   #8
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I'll have yet to run fuel low enough to have the "low fuel light" come on. Is there also a buzzer that sounds for low fuel?
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Old 08-28-2017, 02:33 PM   #9
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I'll have yet to run fuel low enough to have the "low fuel light" come on. Is there also a buzzer that sounds for low fuel?
Yes there is, so my wife says, it's a tone. I don't wear my hearing aids driving so I get by without a lot of the annoying stuff.

Yes there's a tone and a warning light comes on saying low fuel where the odometer is. I've run it past that point and never added more that 80 gallons in the 100 gallon tank. Even at 5mpg you could go another 100 miles before calling good Sam.
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Old 08-28-2017, 07:42 PM   #10
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I think what unnerved me the most is I would watch the fuel gauge suddenly drop in the red portion just below 3/4 quarters of the tank , tone would sound about 2 to 3 times then rise above the red portion for about a minute then repeat. Unfortunately I like to keep my eyes on the road while I drive which would distract my senses. I am not sure if that's normal but I'll take the recommendation of my fellow travelers on this thread and begin to fill up prior to getting to the point I guess...thanks to all of you and be safe...
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Old 08-28-2017, 10:27 PM   #11
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I've noticed a very nonlinear readout as I travel. The fuel gauge can hover around the half tank mark for seemingly twice as long as it takes to go from full down to the 3/4 full mark. Thus I never go below 1/4 tank as I'm afraid the amount of fuel remaining is less than indicated. We have a 150 gallon tank.
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Old 08-28-2017, 11:30 PM   #12
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All of you folks seem to be putting an inordinate amount of faith in your fuel gauge, probably the most unreliable gauge in the dashboard. Put a piece of tape over it!

Once you've driven your very first half tank you can refill and have a pretty darn good idea what your mpg is. (You can refine the number a bit with every fill.). From there on your odometer is your best and only friend. Use the tripmeter function- it's there for a reason. If you have a 150 gal tank and get 7.5 mpg, then you have about 1100 miles to dry tanks. You'll lose your generator feed at about 800, +/-, and your low fuel light will hit at about 1000, if you drive it that far. The only thing better than the odometer is the system that measures actual fuel flow.
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Old 08-30-2017, 12:47 PM   #13
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Quote:
Originally Posted by JFXG View Post
All of you folks seem to be putting an inordinate amount of faith in your fuel gauge, probably the most unreliable gauge in the dashboard. Put a piece of tape over it!

Once you've driven your very first half tank you can refill and have a pretty darn good idea what your mpg is. (You can refine the number a bit with every fill.). From there on your odometer is your best and only friend. Use the tripmeter function- it's there for a reason. If you have a 150 gal tank and get 7.5 mpg, then you have about 1100 miles to dry tanks. You'll lose your generator feed at about 800, +/-, and your low fuel light will hit at about 1000, if you drive it that far. The only thing better than the odometer is the system that measures actual fuel flow.
To your point I reset the trip when I fill it and also find my fuel used seems to be very accurate on ours.
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