A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

Level sending unit is broken, Which one??

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Old Feb 24, 2012 | 10:05 AM
  #1  
Philhawtin's Avatar
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Default Level sending unit is broken, Which one??

2000 A6 4.2

So my gas gauge is not working, it moves between full and 1/2 ( Not accurately)

from looking at parts online, there appears to be 3 different level sending units????

Can someone provide some clarity on this and possibly tell me whivh one i need to replace.

I have pulled out the one in the trunk after this problem started and moved it up and down. I reacted, from full to half.

Another note, This all began when my fuel pump went out.

http://www.partsgeek.com/catalog/200..._assembly.html

Thanks
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Old Feb 24, 2012 | 10:19 AM
  #2  
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Check with your dealer....there was a massive recall on the 2K4.2A6 fuel tank sending units....our car was in twice.

The car is of course 12-13 model years old, but your dealer should have some insight and some possible help on the sending units.

The 4.2 has one main unit, I believe, that sends level to your dash instrument cluster. The other units are used to level the tank contents from section to section within the tank. It's a large tank that is blow-molded to occupy the space available in the car and maximize tank contents.
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