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Author Topic: Fuel Gauge reads empty when full  (Read 4522 times)

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Offline tazz

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Fuel Gauge reads empty when full
« on: May 25, 2013, 07:32:07 PM »
My fuel gauge reads empty and the gas light is on but I just filled the tank.   When I hookup the Dashhawk it reads 100% fuel level any ideas?  I DIC also gives the wrong Mileage to empty right now it says 55 miles.
Thanks
« Last Edit: May 25, 2013, 08:22:32 PM by tazz »
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Offline Critterman

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Re: Fuel Gauge reads empty when full
« Reply #1 on: May 25, 2013, 09:35:11 PM »
disconnect the battery for 30 seconds or longer and let everything reset.  That may fix it.
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Offline Arabas

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Re: Fuel Gauge reads empty when full
« Reply #2 on: May 26, 2013, 03:18:43 AM »
i had this on my 03 Audi TT (while on guarranty). as i consumed gas the gauge would go from empty to full. the dealer replaced the float (hope this is the right word).
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Offline tazz

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Re: Fuel Gauge reads empty when full
« Reply #3 on: May 26, 2013, 12:14:44 PM »
Im not sure thats it and the reason I say that is on the DashHawk it reads the fuel level correctly so the float must be working.  I wonder if its something in the BCM or the Cluster.
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Offline tazz

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Re: Fuel Gauge reads empty when full
« Reply #4 on: May 26, 2013, 02:03:48 PM »
Reloaded the tune and all is fine. :-)
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Offline Gentleman Jack

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Re: Fuel Gauge reads empty when full
« Reply #5 on: May 26, 2013, 04:27:16 PM »
Quote from: tazz on May 26, 2013, 02:03:48 PM
Reloaded the tune and all is fine. :-)

Must be a bad tuner :)
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Offline tazz

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Re: Fuel Gauge reads empty when full
« Reply #6 on: May 26, 2013, 05:03:26 PM »
Been running the same tune for 6 mos without an issue who knows but its all fixed now.
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Offline Gentleman Jack

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Re: Fuel Gauge reads empty when full
« Reply #7 on: May 26, 2013, 05:14:39 PM »
I had the same tune stuck in my head for six months once. I wasn't quite right at the end of it either.  Now that I have a new tune in my head, I'm running just fine. 
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Offline Sly Bob

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Re: Fuel Gauge reads empty when full
« Reply #8 on: May 26, 2013, 06:01:02 PM »
Interesting that the tune was the issue. Might be good information for someone in the future.
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Offline tazz

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Re: Fuel Gauge reads empty when full
« Reply #9 on: May 26, 2013, 06:14:50 PM »
Might have been a glitch that manifested itself later or the tune reload reset it just like a battery disconnect would have Im thinking the latter.
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Offline baconbits

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Re: Fuel Gauge reads empty when full
« Reply #10 on: May 27, 2013, 11:23:08 AM »
Mine showed half a tank when I left to go to the Dells I was going to buy fuel across the border where it's not 7 bucks a gallon for premium..I ran out of gas 40 miles from town the gas gauge was oscillating between half a tank and empty..put in a new battery solved the problem or at least it hasn't come back yet.. I don't have a tune
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