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Old 06-22-2015, 09:39 PM   #1
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Low Fuel indicator with 30 gallons remaining

This is a new ding to my 405 Sportcoach. The low fuel indicator is coming on with about 30 gallons remaining. I've been running the generator a lot underway to keep the family cool in the heat. The generator is tied into the low fuel indicator and kicks off within minutes of getting the indication and won't restart. Anybody know if I can set the Low Fuel indicator to come on lower, maybe 15 gallons remaining?
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Old 06-22-2015, 09:51 PM   #2
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How large is your fuel tank?
Our Berkshire has 100 gallon tank and the generator shuts off at 1/4 tank about 25 gallons.
My guess is that warning light is coming on to warn you that fuel is low for the generator pickup. Does it come on at the same point not running the generator?
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Old 06-22-2015, 10:04 PM   #3
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It has come on twice this trip, both times around 30 gallons remaining and both times the generator was running. I have a 100 gallon tank also, and am getting around 10mpg. If this is the factory setting its very conservative to shut off the generator which uses approximately 1 gph at full load according to the manual.
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Old 06-22-2015, 10:23 PM   #4
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If I can chime in here.
Although we have only gotten to a 1/4 tank once, ours is also a 100 gal tank. If you think about the rationale behind shutting off the genset at 1/4 tank, even at 1 gph usage and 10 mpg....that allows you to get to a fuel point within 250 to 300 Miles. I know that is a pretty good distance, but we have been in places where fuel is even further away than that. One thing for sure, you definitely do not want to run out of fuel in a diesel engine.
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Old 06-22-2015, 10:35 PM   #5
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I guess you're right, I'll just have to plan accordingly. Boy it is hot out, I just need to fill up every 600-700 miles to keep the family cool. We're passing through Arkansas today and hoping to make it to Jacobs Well TX tomorrow. "From the frying pan..." Thanks for the responses.
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Old 06-22-2015, 10:42 PM   #6
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I like being full at a campground as you never know what may happen.
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Old 06-22-2015, 11:16 PM   #7
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Quote:
Originally Posted by accumack View Post
I like being full at a campground as you never know what may happen.
Or at least a half tank
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Old 06-23-2015, 01:02 PM   #8
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Could be the sensor is bad nm in the gas tank. I had a ford explorer that done that. They had to drop the tank to replace it.
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Old 06-23-2015, 01:57 PM   #9
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I agree with the folks like CSMRetired and accumack. Our Legacy has a 90 gal tank and I believe I had about 30 gal left last time the low fuel indicator came on. I would rather have it reminding me it's close to the generator cutoff level than the tank empty level as we run the generator most of the time while on the road (summer travels in the south!). The low fuel lights in our vehicles come on at about 1/8 of a tank, but then they actually have about 1/8 of a tank in them when they indicate completely empty, too. That, though, is like a pay bonus - don't spend it just because you think it's coming!
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Old 06-23-2015, 10:42 PM   #10
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This wouldn't sit well with me. I would have to get a wiring schematic and see what they did to cause this. Next I would be wiring in an override switch.
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