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Author Topic: Help! My low fuel light comes on with 1/2 tank left????????  (Read 2761 times)

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slotbike

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Help! My low fuel light comes on with 1/2 tank left????????
« on: April 30, 2011, 05:26:54 PM »

Took a nice ride today to Montauk point, on Long Island.  My low fuel warning light comes on with 4 LED's still showing on the fuel gauge.  The reserve countdown is also off (hence the light coming on) and says 24 miles to empty when there is more than 1/2 a tank left.  Anyone have any ideas what could be wrong?

Glenn
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ice6900

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #1 on: April 30, 2011, 05:52:09 PM »

With all of the mods you have been doing there might be a chance you have pinched a wire somewhere
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slotbike

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #2 on: April 30, 2011, 06:04:23 PM »

With all of the mods you have been doing there might be a chance you have pinched a wire somewhere
Uh......NO! This has been going on from the beginning.  The dealer installed the Black LED gauge and gas cap. It happened the last 2 or 3 times that I let the gas go below 2/3's of a tank. The weather has been so bad here (and I have been traveling a lot) so I only hit 500 miles today.   Normally I would do that in a day or 2 of riding. So, this issue is only now rearing its ugly head!

G
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Unbalanced

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #3 on: April 30, 2011, 06:50:08 PM »

Maybe the float is sticking inside the tank. 
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skippy

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #4 on: April 30, 2011, 07:11:58 PM »

the gauge on the wife's bike never has worked correctly trying to get her to use the trip meter I don't trust the gauge....
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mjb765

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #5 on: April 30, 2011, 08:26:27 PM »

Maybe the float is sticking inside the tank. 

That was my first thought...but does the miles to empty, low fuel light and gauge all rely on the same float??? The gauge showed 4 lights left which is about 1/2 tank, but the light and MTE were both wrong.....strange.  I am curious what the answer will finally be.....
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rheiner

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #6 on: April 30, 2011, 11:42:01 PM »

I'd just take it to the dealer for warranty and not worry about it.
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wolverine

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #7 on: May 02, 2011, 08:57:17 PM »

Pull the main fuse for a few minutes to reset the ECM. however the alarm may start sounding because it senses a loss of voltage, Just a thought,Rick
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mjb765

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #8 on: May 02, 2011, 08:59:42 PM »

Pull the main fuse for a few minutes to reset the ECM. however the alarm may start sounding because it senses a loss of voltage, Just a thought,Rick

Just FYI....if you pull the MAXI fuse with the ign on the alarm will not sound.

Not saying that's gonna fix this problem though.....
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slotbike

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #9 on: May 02, 2011, 10:13:04 PM »

Just FYI....if you pull the MAXI fuse with the ign on the alarm will not sound.

Not saying that's gonna fix this problem though.....
Do you actually think that this "could" do anything??? If so, it's obviously worth a try! Just never even thought about doing this!

G
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mjb765

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #10 on: May 03, 2011, 06:51:44 AM »

Do you actually think that this "could" do anything??? If so, it's obviously worth a try! Just never even thought about doing this!

G

Glenn:

I never thought about doing it either...I just posted the correct way to do it for the previous guy who said the alarm would go off.

It is obviously worth a try since it's waaaaay easier than going to the dealer!

Let me know if it works.

Mike
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slotbike

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #11 on: May 03, 2011, 06:53:23 AM »

Glenn:

I never thought about doing it either...I just posted the correct way to do it for the previous guy who said the alarm would go off.

It is obviously worth a try since it's waaaaay easier than going to the dealer!

Let me know if it works.

Mike

Mike,

Will do!

G
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JCZ

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #12 on: May 03, 2011, 10:52:48 AM »

I'd just take it to the dealer for warranty and not worry about it.

While all Harley gauges are notorius for being inaccurate, the fuel gauge is adjustable.  The dealership will hook you up. :2vrolijk_21:

Slotbike.....do you really have pink concrete? :nixweiss:
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slotbike

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #13 on: May 03, 2011, 05:43:11 PM »

While all Harley gauges are notorius for being inaccurate, the fuel gauge is adjustable.  The dealership will hook you up. :2vrolijk_21:

Slotbike.....do you really have pink concrete? :nixweiss:

It's not the fuel gauge, it's the miles to empty and the low fuel warning light. No, the concrete is not pink LOL, :) When I loaded the pic into Iphoto, I adjusted some of the color and I guess the red made the concrete look a little pink.  hahahaha!  Good catch!
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HD4CPA

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Re: Help! My low fuel light comes on with 1/2 tank left????????
« Reply #14 on: May 04, 2011, 03:58:41 PM »

While all Harley gauges are notorius for being inaccurate, the fuel gauge is adjustable.  The dealership will hook you up. :2vrolijk_21:

I didn't know the fuel gauge was adjustable.  Mine reads low although my miles remaining countdown is pretty accurate.  Do you have any more details on the gauge adjustment?
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