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Discussion Starter #1 (Edited)
Hey Guys,
has anyone experienced this yet? I got it over the weekend, and was about to take it in when it started working again. Basically the needle reads empty, but thank god I always reset my trip odemeter.

I contact the service guy and he told me there is a bulletin on it and its a 6hr job. It sucks that it's currently working now, since I would have loved for them to get it fixed.
 

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Maybe try keeping a camara handy, so you have proof, and can get it fixed at your convenience.
 

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Really? Your dealer wants proof? All I have to do is call my dealer and tell them that it happened, even just once, and that I want it fixed and they'll run the TSB. I bet your dealer would do the same. For your gas tank sensor to do that once is enough of an alarm that you have the right to get it fixed, no questions asked.

Now, in my opinion, I wouldn't want it to get fixed unless I knew it was a recurring problem because if it takes 6 hours to do, that means that they need to rip stuff apart. And once you do that, it never goes back together as nicely as it came. So I'd avoid it unless I had to.
 

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My 2008 v8 had a fuel sensor problem it was stuck at 3/4 when filling it up and stayed there. I had the dealer check this out and they told me that the software was set to a 90L tank which I dont have... No idea why the software was set to 90L all of a sudden. Dealer set it back to correct value but did cost me ~300 euro's.
 

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My 2008 just displayed this warning: "Tank system malfunction, contact workshop". Gas gauge worked fine in morning with a nearly full tank. Started car after work and up pops the warning and the needle sits on empty. Research shows a NHSTA bulletin #10033214 and TSB 20-09-10 sounds like a failed sending unit inside the tank. Thankfully I have an extended warranty. Anyone have any advice/experience on this situation?
 

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I got the same warning and took it to the dealer and they said one of the two sensors were faulty.
They ordered the parts and replaced it within 2 days!
 

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I just got this message in my 2008 V8, after a restart following a long journey. The performance is the same so I suspect it's a sensor not the fuel pump. Any ideas and is it something any Audi specialist could diagnose, or does it need to be an R8 specialist or does it need to be a main dealer?
 

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I had the same on my 2008 V8 a few months ago, it's a common problem. Anyone with a VAGCOM or VCDS can diagnose it for you. There are 4 sensors, normally the upper two fail and are easier to replace than the bottom two but it's still a job of a few hours for a cheap sensor. I had one of the upper ones fail but I had both uppers replaced as the cost of the sensor compared to the labour cost was nothing. I think I was charged around 700 euro at the dealership.
 

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I have this issue also; still under warranty and sensor is on order
 

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I had the same on my 2008 V8 a few months ago, it's a common problem. Anyone with a VAGCOM or VCDS can diagnose it for you. There are 4 sensors, normally the upper two fail and are easier to replace than the bottom two but it's still a job of a few hours for a cheap sensor. I had one of the upper ones fail but I had both uppers replaced as the cost of the sensor compared to the labour cost was nothing. I think I was charged around 700 euro at the dealership.
Thanks! Having started the car yesterday and today, the problem has gone away. I suspect it will re-appear. I will probably get my local VW-Audi specialist to do it if it's a common problem - they charge £60/hour for labour; the main dealer charges £180/hour!
 

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Mine started working then failed several times; it's permanently reading zero now
 

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hey guys,

facing the same issue with my 2008 V8. it first started after my 10 year service early 2019 when taking back my car and seeing that the needle is on empty. I complained to my car manager, thinking that they have taken my car on a joy ride and emptied the fuel tank as I was sure it had 1/2 a tank when I took it into the Audi dealership for my routine yearly maintenance. Since the covid lock down (I have not been driving the car much), I have been facing the same issue on and off. But for the past 4 weeks (driving the car 4 times), the issue has been permanent. Is it worth addressing the issue with the dealership, or shall I ignore it for now? I heard someone mention detaching the battery then plugging it right back, any idea if that helps? Thanks!

OT
 
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