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| wondering fuel guage https://www.ausmini.com/forums/viewtopic.php?f=2&t=75097 |
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| Author: | i got a mini [ Thu Jan 19, 2012 8:28 pm ] |
| Post subject: | wondering fuel guage |
ok so when i am driving along my fuel guage drops to 1/4 of a tank but when stopped with engine running it comes back up to were it is ment to be. any reason it would be doing this it use to work really well very accurate not now any idea y |
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| Author: | drmini in aust [ Thu Jan 19, 2012 8:46 pm ] |
| Post subject: | |
Voltage stabilizer on back of speedo has had it. It feeds +10V to the gauge. Road vibrations make it give a lower voltage when it's knackered. Mine did the same thing- the faster I went the lower it got, then you stopped and it came back up!! 
Contact wombat on here for a new electronic one, his work good. |
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| Author: | i got a mini [ Thu Jan 19, 2012 9:01 pm ] |
| Post subject: | |
i have tried 3 different ones and all do the same and 2 of them i no work in other minis |
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| Author: | drmini in aust [ Thu Jan 19, 2012 9:44 pm ] |
| Post subject: | |
Well I bet they are all old ones, wombat's electronic ones are cheap. It can't be much else with those symptoms. I even ran mine up to 100kmh on a hoist, and it wouldn't do it-stayed steady as a rock. It's the road vibes that cause it. So, I bought an electronic one and it fixed it.. The old ones work a bit like a blinker can, as they are just a bimetal strip, a vibrator. 1950s (or 40s) technology. |
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| Author: | GT mowog [ Fri Jan 20, 2012 6:48 am ] |
| Post subject: | |
Could also have a hole / leak in the float on the sender making it near neutral buoyancy. |
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| Author: | Lockie91 [ Fri Jan 20, 2012 12:46 pm ] |
| Post subject: | |
drmini in aust wrote: Voltage stabilizer on back of speedo has had it. It feeds +10V to the gauge. Road vibrations make it give a lower voltage when it's knackered.
Mine did the same thing- the faster I went the lower it got, then you stopped and it came back up!! Contact wombat on here for a new electronic one, his work good. I had the same thing coming back in the van from Melbourne on my Mini 50th Sydney trip,, i got to Seymour and all my gauges were reading like flag poles every second... made it an interesting drive back to QLD that night was a longgg night .... no fuel gauge or temp gauge,, but I knew she would pur back to QLD all good, just had to figure the fuel to km's ratio out by hand that is all
when i got back to QLD that morning, fitted a new one, and bobs your uncle, all good. didn't waste my time on a second hand one as they are all on their way out these days.. |
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