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Fuel Gauge Problem??

Discussion in 'A3/S3 Forum (8L Chassis)' started by wibble111, Apr 20, 2009.

  1. wibble111
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    wibble111 needs to scratch the itch

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    [Apr 20, 2009]
    Hello all, on friday i put £30 fuel in and the petrol gauge went to just under 3/4 showing a range of 220 miles. Got in the car yesterday and now my gauge says its full with a range of 340 miles after driving 40 miles over the weekend, surely this cant be right?

    Could it be the sender or maybe the gauge in the dash at fault?

    Anyone else had similar problems, is it an easy fix?

    Any help much appreciated. Dave.
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  3. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Apr 20, 2009]
    I get the same thing with the mile counter its stupid, i know it logs your driving style etc but i swear mine just tells you what it wants. On another note i sure ive read another thread about people complaining about the actual fuel gauge saying its faulty!
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  4. h100vw
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    h100vw Member

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    [Apr 20, 2009]
    Could have been the float sticky in the tank. Stuck down and then freed off later on?

    The gauge just does what it's told and the miles to go would be based on fuel level and instantaneous consumption figures. Drive at 60 for a short while and the range will go up, flog it at 90 and it will go down.

    Gavin
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  5. AudiS3Quattro
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    AudiS3Quattro Member

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    [Apr 20, 2009]
    My car does this now and again, so sound slike it could be a sticky float with mine too, I just rest my miles counter and put £50 of fuel in and know that i get about 350 miles ish and use this as a guage just incase the guage starts to stick again!

    Pad
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  6. wibble111
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    wibble111 needs to scratch the itch

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    [Apr 21, 2009]
    Bump!
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  7. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Apr 21, 2009]
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  8. AS3TOM
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    AS3TOM Member

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    [Apr 21, 2009]
    i had this problem with mine. all i did was lift up the back seats. undid the black metal plate which has the access to the fuel tank. unplugged the sender, sprayed if with wd40 scrubbed it with an old toothbrush, plugged it back in and all is fine now. it can get a bit dirty in there so thats worth a shot.
    #7
  9. wibble111
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    wibble111 needs to scratch the itch

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    [Apr 22, 2009]
    Thanks for the advice guys. This weekend i'm going to take the back seat out and try some wd40 like Tom. I've now done about 110 miles and it seems to be behaving normally again i.e. just over quarter tank and 90 odd mile range, strange, almost like the float sticking or something :ermm:

    Tom just had a quick look under the seat but cant see how to remove the carpet under the bench, how did you do yours with the wd40? Is it on velcro like the boot carpet?

    Cheers, Dave.
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  10. AS3TOM
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    AS3TOM Member

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    [Apr 23, 2009]
    I sprayed the wd40 on the connection just to clean it really to remove the dirt. And as for the carpet underneath the seat, on mine all it seems to do is tuck under the main carpet of the car so i just pulled it out to gain access, then once i was finished tucked it back in. It was literally a 5 minute job!

    #9

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