Fuel gauge problem

[McGart]

I have a fuel gauge problem on my audi s3 2001. The gauge just seems to rise and fall from time to time resulting in a display of maybe 100 miles in the tank one min then next thing you know its 40 miles or even zero miles.

I had a similar problem last year when engine management light came on and vag showed it to be a sensor, which i had replaced but there is no engine management light this time round.

Maybe dirty or loose conections on tank but unable to locate?

Thanks for any help.

 

[Nilz]

There maybe some dirt on the sensor, I had this on my A4 and just gave it a good clean and it did the trick, so might be worth giving that a go.

 

[acano]

Hi, sorry to hijack but can you tell me where is this sensor located on the A4 as I now have the same issue
Thanks Tony

 

[Sandip]

Might be better asking on the B6 A4 section but i think the sender unit is most likely under the rear seat

 

[finesse]

WTF WTF WTF WTF WTF

I read this thread a couple days ago, now I am getting this same issue. Need to keep away from this forum.


BTW I need to scan the car, if it does happen to be the sensor,


where is it?
How much is it?