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Fuel Low Light
Posted by George on September 14, 2021 at 7:51 amHow many have the optional fuel low warning light? If so equipped how reliable is it?
Dan replied 5 years ago 6 Members · 6 Replies -
6 Replies
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I do not have one. However, I did replace the fuel level sensor several years ago, in the tank and it is very consistent and accurate.
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Ours works. I think its pretty reliable.
First it will blink on and off if I’m in stop and go traffic or in a hilly area. Initially the “off” is longer than the “on”. As you continue to drive the “on” becomes more persistent. Eventually the light is “on” continuously. I think the most I’ve put in our 208 gallon tank is 184 or 187 gallons. Our tank doesn’t burp or barf diesel back, I stop when then the handle releases and don’t try to get another gallon or two in.
I would encourage you to “learn” what your fuel gauge is telling you. Hopefully the first time the light starts to flash you won’t be out of fuel! Fill it up, not what you put in. Then learn from there.
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Never let my tank get low enough to know if it works or not.
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Bill III-
How big of a job was it to replace the fuel gauge and sensor?
My fuel gauge doesn’t work, not sure why.
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Gauge should be simple. Loosen up the dash, pull it forward, stabilize and block it, be careful, and switch out the gauge … reinstall. I’m guessing.
But before you get excited with the gauge, it should be electric. That means wiring. I’d check the grounds at the gauge and the sensor. I tend to be lazy and take the easy way if it works. I’ve learned from really smart guys that on electrical, check the grounds. Remove old terminals and put on high quality new ones, touch up the contact points with a small piece of emery paper. Look for any chaffing of the wiring; replace as appropriate. Look everything over and use tie-wraps to hold all the wiring together.
The sensor. I suspect that’s in a somewhat hard to get to place.
Get your hands on the Prevost wiring diagram for you coach.
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