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real poor mpg :(

Discussion in 'A3/S3 Forum (8L Chassis)' started by smokiedee, May 11, 2012.

  1. smokiedee
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    smokiedee Member

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    [May 11, 2012]
    yesterday i had 0 miles on miles left in tank and put in 20 litres of v power. i've done 62 miles and the low fuel light is back on surely i should have got more than that. the cars an agu a3 with a ko3s stage 2 r tech map. is there anything i can check as to why its so low or is it about right. also i've noticed that the low fuel light comes on at 15 miles now
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  3. jay1601
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    jay1601 Well-Known Member

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    [May 11, 2012]
    driving it hard ?
    fault codes?
    running rich ?
    boost/vac correct ?
    ect...
    #2
  4. jezzy
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    jezzy Member

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    [May 11, 2012]
    Try a mini service?
    But that sounds about rightish.
    The 1.8t is a quirsty car especially if driven hard.
    25 to the gallon around town is pretty good.
    #3
  5. knoxie
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    knoxie K4OXE

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    [May 11, 2012]
    dunno about litres per blah blah blah... but, from full on mixed driving from my stage1 s3 i get between 350 to 400 miles, and from the red light i have pushed it to 40 miles and it was low!!! i was worried i was going to run out.

    i know its not the best comparison to your car but hope it helps :)

    knoxie
    #4
  6. Audi S3 freak
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    Audi S3 freak Member

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    [May 11, 2012]
    Mine does 40mpg on a run and 6 with my foot flat?? Although I do fink I'm either running rich or getting told lies from the gauge!! Hope that helps.
    #5
  7. smokiedee
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    smokiedee Member

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    [May 11, 2012]
    from a tank i get about 220 miles brim to light almost all town and not driven hard all the time.
    #6
  8. knoxie
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    knoxie K4OXE

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    [May 11, 2012]
    but with town driving you are going to use more fuel due to going up and down gears, try a duel carriage way or motorway at a steady speed
    #7
  9. Nick090884
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    Nick090884 Member

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    [May 11, 2012]
    Hi ya mate, just to help you out with what other drivers getting. I get around 13 ltr to twenty pound of v power, i get 120-150 on the dash. with mixed road drivng i get around 100-120 miles. my light alway comes on at 45 miles. hopefully with a few of us stating our mileage-ltr ratio you can get a idea. (O yeah sometimes i drive it hard and ti does tend to lose 20-30 miles)
    #8
  10. smokiedee
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    smokiedee Member

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    [May 11, 2012]
    yh will do maybe it's just these short journeys coz they are mainly under 10 miles
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  11. Oke Phill
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    Oke Phill Member

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    [May 12, 2012]
    lift that right foot a bit bud!!lol! But i am finding my S3 is shocking on fuel around town, but actually very good on long journeys, but to be honest i never brought the car for its fuel consumption, as i thought it would be ****e and it is. I run a 106 1.5d as well as the s3, so i use that for short journeys and stuff, she is a beast 450miles to £50 worth of desiel and the car cost me £300.lol
    #10
  12. Audi S3 freak
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    Audi S3 freak Member

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    [May 12, 2012]
    I would lift the right foot but it's clearly heavy!!! Seen as I have came from sports bikes I don't like to hang about so the fat foot meets the floor a fair bit!! Lol also had a Astra van and the mpg was so good I didn't care enough to work it out but it lasted a lifetime!! For my old commute to work (Milton Keynes to romford) it used to cost me about £15 a day but the s3 cost me £40 a day but saved me a lot off time!! :)
    1.8t is a bloody expensive toy tho!
    #11
  13. AudiS3-Turbo
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    AudiS3-Turbo Member

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    [May 12, 2012]
    40 quid a day ! Jeeze that's terrible lol
    #12
  14. Audi S3 freak
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    Audi S3 freak Member

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    [May 12, 2012]
    lol ur telling me!! i done that poxy commute for 2 and a half fecking years!!
    #13
  15. knoxie
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    knoxie K4OXE

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    [May 13, 2012]
    right i filled to the brim, reset all of my trips, and done a few miles for you :)

    its about 60% motorway and 40% back road raggings ;)

    [​IMG]
    #14
  16. smokiedee
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    smokiedee Member

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    [May 14, 2012]
    i've defo got a problem lol scanned it today and came up with these codes. haven't got the full version of vag.com yet

    VAG-COM Version: Release 409.1-S

    Control Module Part Number: 06A 906 018 R
    Component and/or Version: 1.8L R4/5VT MOTR HS D06
    Software Coding: 04000
    Work Shop Code: WSC 00028
    6 Faults Found:
    18010 - Power Supply Terminal 30: Voltage too Low
    P1602 - 35-10 - - - Intermittent
    16519 - Shareware Version. To Decode all DTCs
    P0135 - 35-10 - Please Register/Activate - Intermittent
    16514 - Shareware Version. To Decode all DTCs
    P0130 - 35-10 - Please Register/Activate - Intermittent
    00561 - Mixture Adaptation
    14-00 - Adaptation Limit (Add) Exceeded
    00543 - Shareware Version. To Decode all DTCs
    35-10 - Please Register/Activate - Intermittent
    00561 - Shareware Version. To Decode all DTCs
    12-00 - Please Register/Activate
    #15
  17. knoxie
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    knoxie K4OXE

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    [May 17, 2012]
    any news on your problems mate?

    got another pic for you not filled up again yet, since the last pic i have done about 40 motorway miles, and the rest has been about 30 % town and 70 % back road ragging (daily cumute)

    [​IMG]
    #16
  18. Wizza
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    Wizza BÜBENGRÖPEN

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    [May 17, 2012]
    62miles from 20litres is quite worrying unless you have had your foot planted all over the place lol
    #17
  19. superkarl
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    superkarl MAN OF STEEL

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    [May 18, 2012]
    and you STILL havent topped up your washer fluid knoxie. tut tut
    #18
  20. smokiedee
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    smokiedee Member

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    [May 18, 2012]
    i'm hoping it's my lambda sensor as i cleared the codes and codes 16519 and 00561 came back. i don't think the maf is at fault as i pulled a log of 174g/s today so gonna try the lambda sensor when i have time. power has dropped majorly as well
    #19
  21. knoxie
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    knoxie K4OXE

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    [May 18, 2012]
    i know mate it needs a clean aswell!!! but its the last thing on my mind when i get in from work haha
    #20
  22. plantfoot
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    plantfoot New Member

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    [Aug 5, 2012]
    I have just changed from a 1.9 TDI A3 2009 model I was getting 61 MPG door to door driving easy, and 80 MPG on m/way drive not going over 50MPH to a 1.6 TDI 2011 model Door to door is now 48 to 50 M/way drive 54 tops which is rubbish When I bought the car the previous owner had put Sport wheels on 224/45/17 could this be the reason for Poor MPG if so what is the default tyre size for this car.
    #21
  23. s3dave
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    s3dave TFSI Hybrid

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    [Aug 5, 2012]
    wrong section ...this is the older generation 8L chassis
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  24. S3_chris 11
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    S3_chris 11 Member

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    [Aug 8, 2012]
    Last time i was on 0 miles i put a tenner in and all it gave me was 35miles not even out the red :ermm: i presume this is normal though as if i take it slowly ive seen my mgp go up to 66mpg :w00t: or is my computer lying to me

    I took this last nite, sorry for the blurryness the road was rather bumpy

    [​IMG]
    #23
  25. Reesy
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    Reesy Well-Known Member VCDS Map User

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    [Aug 8, 2012]
    On my a3 quattro the best I have had on the motorway was 35mpg. that was at 80ish and with cruise control on. Around town that could hit 20mpg easily (as an average) the worst I had was 13mpg over a long run of duel carriageway racing, so very low mpg is achievable but you would be driving in a way that you would expect to use a lot of fuel..
    #24
  26. Gops
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    Gops 6th gear @7000rpm

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    [Aug 8, 2012]
    My foot flat ive got 4.9mpg before somehow.. but from 20 quid I normally get around 70-100 miles depending on how I drive. ive got 130 miles out of it before and that's with a B5!
    #25
  27. S3_chris 11
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    S3_chris 11 Member

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    [Aug 8, 2012]
    carriageway racing lol the lowest i has i think was like 6.5 or something. cruise control :w00t: my car doesnt have that :sorry:
    #26
  28. Reesy
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    Reesy Well-Known Member VCDS Map User

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    [Aug 8, 2012]
    That was an average over about 30 miles, not a 2 mile flat out jaunt!

    Bearing in mind I have just got a k04 in the car, I got 100miles to £40 and that was a mixture of flat out and sensible driving..

    Cruise is a winner for long journeys, and can be easily retro fitted..
    #27
  29. S3_chris 11
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    S3_chris 11 Member

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    [Aug 8, 2012]
    i get out from my lorry at work with cruise contol and cant understand why mine doesnt have it yet some audis do? was this an optional extra from the factory?
    #28
  30. vrbob
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    vrbob Thats no Moon, Thats a space station!

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    [Aug 8, 2012]
    My S3 had it fitted from new and it can be retrofitted just do a search on here or google

    Re : MPG my S3 does mostly 50/50 stuff and used to get about 28mpg or about 340miles to a full tank since geting a new MAF i am now getting more like 30mpg or about 400miles to a full tank on the same 50/50 stuff.
    Last edited: Aug 8, 2012
    #29
  31. a3tsportkyle
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    a3tsportkyle Member

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    [Aug 8, 2012]
    i thought my agu was bad. round the doors mixture of kickin its arse and normal ish drivin i get between 80-100 miles for 15 litres which is 26 mpg to 33mpg
    #30

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