Quote:
Originally Posted by dennis46c
I have a 2008 HR Endeavor 40' SKQ with a 400hp Cummins that by all accounts has a 100 gallon fuel tank. I'm beginning to wonder. I monitor the fuel usage on the dash display and I look to refill when it indicates I've used around 40-50 gallons. I'm a little conservative and the fuel guage shows I'm near empty at that point. If it indicates I've used around 45 gallons, I can usually fill it to the top of the fill pipe with around 45 gallons. The gas guage goes up to F but it always appeared there was more room to go. I always figured the fuel gauge was way off. This weekend, it said I used around 48 gallons (I only have used the generator to excercise it) when I got a low fuel warning. I pulled into a nearby truck stop and put in 58 gallons (10 more than it said I used) and again, it went to the top of the fill pipe. This makes me wonder if I may only have a 60 gallon tank or what is happening. Any ideas? I almost always fill from the road side and there isn't any evidence of a leak in the tank. I do plan on getting underneath to measure the tank but since I believe the mfg date was well before the bankruptcy, I can't believe they would have installed a smaller tank. ANY IDEAS?
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We have the same coach and it does have a 100 gallon tank. I have put 92 gallons in it.
Something else to consider is the fuel itself. Diesel fuel has a tendency to foam while filling. You may not be as full as you think when you see fuel in the filler neck. Besides using the Aladdin system I always reset the trip meter at every fill, then start looking for fuel at 600 miles, based on our average of 8.4 mpg.
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