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| Fuel gauge reading Empty.. why? https://www.ausmini.com/forums/viewtopic.php?f=2&t=59306 |
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| Author: | NG [ Fri Dec 04, 2009 6:59 pm ] |
| Post subject: | Fuel gauge reading Empty.. why? |
it's a full tank 
it was working fine over the last week or so then it kept dropping slowly & i thought oh im low on fuel it hit empty & i filled up but it never come back up.. any idea whats going on? it's a van tank. or traveler tank if they are any different? maybe the float has gone? im not sure what is inside. thanks |
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| Author: | GT mowog [ Fri Dec 04, 2009 7:11 pm ] |
| Post subject: | |
(I can't resist).....maybe it's broken.
Find the green wire that goes to the sender on the tank. Disconnect it and short it to a good earth, with the key on. Your gauge should read full. If it does then it's the sender, if it does not then it's your gauge or instrument voltage regulator |
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| Author: | Morris 1100 [ Fri Dec 04, 2009 7:14 pm ] |
| Post subject: | |
Maybe your "float" turned into a "sink" 
The most common thing on Mini sedans is knocking the wire off the tank. |
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| Author: | NG [ Fri Dec 04, 2009 7:22 pm ] |
| Post subject: | |
i reckon it's the float is a sinker.. so how do i fix that.. drain the tank? or how to i check if the wires have come off.. how do i find all these things drain the tank? the gauge should deff work tested it & there was nothing wrong with it. |
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| Author: | NG [ Fri Dec 04, 2009 7:23 pm ] |
| Post subject: | |
Morris 1100 wrote: Maybe your "float" turned into a "sink"
The most common thing on Mini sedans is knocking the wire off the tank. where are the wires? on a van. |
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| Author: | bill.b [ Fri Dec 04, 2009 9:18 pm ] |
| Post subject: | |
Sounds like the float sinking for sure, just grab a coat hanger and bend it into a hook and loop it around the float in the tank, lift it up and see if the gauge moves in the cabin. If so swap and fixed. |
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| Author: | TheMiniMan [ Fri Dec 04, 2009 11:16 pm ] |
| Post subject: | |
NG<<<climb under the car (funny how some say "Climb under" when there really is no climbing involved at all hey) anyways,,, "Climb" under the car,,, manoovure yourself to the front of the fool tank,,, look up at the front wall of the fool tank & open eyes 
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| Author: | greyghost [ Sat Dec 05, 2009 9:09 am ] |
| Post subject: | |
my car does this all the time, to fix it i just go to the servo and fill her up
seriously i test that the sender unit is getting power and the resistance of the "out" wire. if this is good then i check the gauge's & voltage regulators resistance, if this turns out good the i would drain most of the tank and remove the sender unit and check the float and that the unit has the "strip" intact (you'll know what i mean when you see a broken one) |
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| Author: | mini is my ride [ Sat Dec 05, 2009 11:55 am ] |
| Post subject: | |
as stupid as this sounds it might be a fuse..... well at least that’s what happened when my fuel gauge didn't work
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| Author: | 850man [ Sat Dec 05, 2009 12:57 pm ] |
| Post subject: | |
If you pull the sender wire of the sender and earth the wire against the tank with the ignition on the fuel gauge should go up to the full mark. This will tell you that the wiring & gauge are ok and you have a sender problem. The most common fault is the float filling up with fuel & the sender not moving. Also sometimes the float/sender arm can get stuck. You can remove the sender by undoing the retaining screws and withdrawing from the tank. Once you have it out you can test it by connecting it back up to the cars wiring and moving the arm up & down or if you have a test light you can do a simple bench test with a 12V battery. There is a drain plug in the centre of the tank but i just drain the fuel with a hose/syphon tube. |
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| Author: | NG [ Sat Dec 05, 2009 6:45 pm ] |
| Post subject: | |
mini is my ride wrote: as stupid as this sounds it might be a fuse.....
well at least that’s what happened when my fuel gauge didn't work Checked the fuse first thing. Can I I stick a test light into the wire on the sender wire? I can only see one at the back. Won't that move the gauage up? If it does? That would mean it's the float? |
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| Author: | GT mowog [ Sat Dec 05, 2009 6:48 pm ] |
| Post subject: | |
NG wrote: Can I I stick a test light into the wire on the sender wire? I can only see one at the back. Won't that move the gauage up? If it does? That would mean it's the float? Short it to the body / ground |
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| Author: | NG [ Sat Dec 05, 2009 6:56 pm ] |
| Post subject: | |
It's to short to pull it out at do that.. You can't get in there easy at all really Can I not use the test light? My brake lights are not working now lol. What wire do I stick the test light in to test it the green or green with the purple stripe in it? I think it may be the switch under the pedal has gone even Though it's new. |
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