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  1. #1
    Turkster's Avatar
    Bro.Paul 2.5TDI Quattro Sport

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    Question one for the 2.5 TDI owners

    The Fuel Gauge,

    My one seems to drop to under the red mark when the fuel gets into that area and then return back up to the 1st red mark later,
    does the fuel pump send the fuel over to the 2nd tank when it gets low and cause the gauge to give odd readings? or it says its completely empty when its not but is low, then you put a £10 worth of diesel in and then it returns to the 1/4 of a tank reading, its done this since iv owned it 4 years now,
    Last edited by Turkster; 8th October 2011 at 01:20.

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  3. #2
    ADC74's Avatar
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    Don't know myself as I always refill with derv before it hits the red.
    ATR vs V6 TDI

  4. #3
    mikeh126's Avatar
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    Quote Originally Posted by Turkster View Post
    The Fuel Gauge,

    My one seems to drop to under the red mark when the fuel gets into that area and then return back up to the 1st red mark later,
    does the fuel pump send the fuel over to the 2nd tank when it gets low and cause the gauge to give odd readings? or it says its completely empty when its not but is low, then you put a £10 worth of diesel in and then it returns to the 1/4 of a tank reading, its done this since iv owned it 4 years now,
    I haven't noticed mine doing that - it seems to behave as I would expect it to.
    Didn't know the B6 had 2 fuel tanks - you live and learn something new every day!!
    2003 A4 Avant 2.5TDi 180 Quattro Sport in Light Metallic Silver, Remapped to 220 by ProTec Motorsport, RS4 18" x 8J reps, Falken F452 tyres, 10mm H+R Spacers, Matt Aluminium Mirror Covers, Heated Mirrors, S4 Door Blades, Continental TS830p Winter Tyres on 5 star 17" Sport Alloys

  5. #4
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    Mine behaves pretty normally I think.

    I'm not sure it has two tanks, it's more one tank two halves seperated by the prop shaft.
    Ingolstance Read about my A6 HERE.

  6. #5
    4th Gear

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    Quote Originally Posted by quattrojames View Post
    Mine behaves pretty normally I think.

    I'm not sure it has two tanks, it's more one tank two halves seperated by the prop shaft.
    If it had 2 tanks would it not need two fillers?My guage behaves normally

  7. #6
    swarcup's Avatar
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    my guage will get down to arround a quarter and stick there for a while then all of a sudden drops and the range left goes to '0' not brilliant but when you get to know its quirk its ok. I fill up when it gets to a quarter now, makes it seem cheaper to fill up
    2.5tdi Avant Q S 180 - 19" RS6 reps - chrome mirrors - ambient light package - cruise and dis retrofit - chrome side repeaters - front sline lowr conversion with cupra r splitter - rear lower valance with twin cut outs and exhaust tips - rs4 rear antiroll bar - puddle and footwell lights - sline door blades - fully colour coded - b8 autodimming mirror on custom window adapter - geuine aero wiper upgrade - genuine heated mirror upgrade

  8. #7
    Turkster's Avatar
    Bro.Paul 2.5TDI Quattro Sport

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    Quote Originally Posted by quattrojames View Post
    Mine behaves pretty normally I think.

    I'm not sure it has two tanks, it's more one tank two halves seperated by the prop shaft.
    ah that may be a better way of explaining it, i was told that it sends the fuel from one side to the other when it gets low otherwise you would have a pool of diesel that is not used stuck in one of the sides, hence the sudden drop at the gauge when it gets to a certain level,

 

 

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