Sluggish fuel level sensor - BMW Luxury Touring Community
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post #1 of 6 Old Feb 7th, 2015, 4:02 pm Thread Starter
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Sluggish fuel level sensor

Riders:
I have just taken a pre re-Tupperware install ride on my LT following a major service which included fuel filter and new fuel lines. I installed the flexible accordion type lines inside the tank. These lines are less "compact" than the original. I was very careful to align the pump plate when installing. I now seem to have a sluggish fuel level sensor. Now looking at the drawings in my clymer manual, the sensor is not a float on an arm type, but rather an enclosed type. I would not think that one of my new fuel lines would be interfering with it's function. But I could be wrong. Any advice?

Thanks much!

Bob Lower
Casper, WY

'01 K1200LT
'03 R1150 RT
'13 R1200GS
'79 R100T w/Hack
'10 Triumph Thunderbird
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post #2 of 6 Old Feb 7th, 2015, 4:20 pm
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Re: Sluggish fuel level sensor

I did the lines on my bike a few months ago and have not noticed a change. Did you ensure that you got the pump assembly back in that tank so that you were able to tighten it and end up with the alignment arrows meeting? I think if the orientation is off it could make a difference but then again, if it was off by much you would have difficulty getting your fuel lines connected back up.

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post #3 of 6 Old Feb 7th, 2015, 5:14 pm
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Re: Sluggish fuel level sensor

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Originally Posted by fatbob307 View Post
Riders:
I have just taken a pre re-Tupperware install ride on my LT following a major service which included fuel filter and new fuel lines. I installed the flexible accordion type lines inside the tank. These lines are less "compact" than the original. I was very careful to align the pump plate when installing. I now seem to have a sluggish fuel level sensor. Now looking at the drawings in my clymer manual, the sensor is not a float on an arm type, but rather an enclosed type. I would not think that one of my new fuel lines would be interfering with it's function. But I could be wrong. Any advice?

Thanks much!
The only thing I can think of that some how you put a little dent in the tube where the float goes up and down in; maybe some how when were changing the filter and hoses you might of come in contact with the tube of the float the tube is thin it would not take much

Gary
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post #4 of 6 Old Feb 7th, 2015, 6:05 pm
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Re: Sluggish fuel level sensor

I'm not sure what you mean by sluggish. The fuel level has always been slow on mine. It is even slow with the used sensor that I replaced my defective one with.

Robert
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post #5 of 6 Old Feb 7th, 2015, 7:38 pm Thread Starter
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Re: Sluggish fuel level sensor

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Originally Posted by Scouter-50 View Post
I'm not sure what you mean by sluggish. The fuel level has always been slow on mine. It is even slow with the used sensor that I replaced my defective one with.

Robert
Thanks for the info folks. It's slow to respond to filling the tank. Took a minute or so to realize it was full. Never noticed that before. I suspect I have one of those new fuel lines pushing against the sensor tube. Drat! Man I hate taking that damned stingray off again!

Bob Lower
Casper, WY

'01 K1200LT
'03 R1150 RT
'13 R1200GS
'79 R100T w/Hack
'10 Triumph Thunderbird
'09 Triumph Bonneville
'07 Guzzi Norge
'88 HD FLHS
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post #6 of 6 Old Feb 7th, 2015, 7:54 pm
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Re: Sluggish fuel level sensor

It is not an "instant" read type of gauge. It will up date the levels at regular intervals so if you just filled up and it read it, it will be full but if the cycle is waiting it could be a minute or two before it updates. My GS used to take 2-3 minutes to show a filled tank and that was a fuel strip not float at all.

John
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