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  1. #1
    audiv6quattro's Avatar
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    ****e mpg 2.6 v6 quattro

    Hi everyone I've got an a4 2.6 v6 quattro it's recently had two new cats and my mpg is averaging about 19 mpg I know it's a v6 but that's ridiculous, I don't speed much as I live in a little town but also have juddering when accelerating, similar to s4_dans post really but my mpg is really crap, for instance if I put say £15 fuel in it lasts about 25-30 miles please help as it's getting exspensive,

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  3. #2
    S4_dan's Avatar
    Fire up the Quattro!

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    Get it on VCDS and read any codes. Cats won't affect your mpg. They just control your emissions. Your lambda sensors are probably shot. Just changed both of mine and my mpg has improved vastly! now getting an average of 34.2 on way to work and i live in a hilly part of the countryside!

    Scan your car, but rest assured, it's not your cats.

    As for the juddering at low revs....if i ever get to the bottom of it, i will let you know!

    Think the MAF would cause mpg issues if it's foobard. Try unplugging yours and see what the dis says with the ECU registering it in default mode
    Last edited by S4_dan; 9th September 2011 at 21:48.
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

  4. #3
    Z82
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    I used to have a 2.6 quattro sport and my average was 19mpg, booting it 16/17mpg and open road I managed 48mpg once but mostly about 30mpg.

    Is the juddering only at low revs while driving? Only on corners?

    7. 2003 B6 Nogaro Blue S4 v8 quattro
    Gone but not forgotten:
    6. 1996 B5 Casablanca White A4 2.6 v6 quattro Sport
    5. 1989 B3 Maroon Coupe 2.0E
    4. 1986 B2 Red Coupe 2.2E Limited Edition
    3. 1985 B2 Red 80 Sport
    2. 1983 B2 Black 80 Sport
    1. 1984 B2 Silver 80 Sport

  5. #4
    audiv6quattro's Avatar
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    Hi thanks for both replies the juddering happens at low and high revs on straights and corners but it's intermittent. Didn't realise they did a sport 2.6 what's the difference and how do I know if mine is a sport

  6. #5
    S4_dan's Avatar
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    for Some reason, the 2.6 V6 was a strange engine. The 2.6 V6 was 150Bhp and The 2.4 V6 was 164Bhp. The 2.4 and 2.8 V6 engine share alot of items. ALOT of items. Yet the 2.6 V6 doesn't seem share a item as such. Seems like a random engine. IMO the 2.6 is something i'd steer well clear of personally. Not saying it's an unreliable engine or costly engine to maintain, but it just appears to be a 'black sheep' engine so to speak.

    If the juddering is happening at both low and high revs, i'd change the HT leads an plugs along with giving the car a service.

    I believe the sport model has slighlty lower suspension setup and sport interior (seats with bolsters etc) but I may be wrong. May say on log book if its a sport model. Or put your reg into Autotrader on 'car value' section and see what comes up.
    Last edited by S4_dan; 11th September 2011 at 17:37.
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

  7. #6
    "Stick a V8 in it!"

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    The 2.6 is a 12v engine, and was carried forward from the older Audi 80/100 models. There was also a 2.8 12v which produced 170hp and was pretty similar to the 2.6.

    The 12v engine was dropped and replaced with the 30v version in 2.8 and 2.4 guises. The 30v head is obviously far better, hence the higher specific power figures.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  8. #7
    Z82
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    Quote Originally Posted by S4_dan View Post
    I believe the sport model has slighlty lower suspension setup and sport interior (seats with bolsters etc) but I may be wrong. May say on log book if its a sport model.
    Yeah thats correct, my said on log book but not V5

    Quote Originally Posted by aragorn View Post
    The 2.6 is a 12v engine, and was carried forward from the older Audi 80/100 models. There was also a 2.8 12v which produced 170hp and was pretty similar to the 2.6.

    The 12v engine was dropped and replaced with the 30v version in 2.8 and 2.4 guises. The 30v head is obviously far better, hence the higher specific power figures.
    Spot on, the 12v 2.6 was dropped around 1997 I think whereas the 12v 2.8 was dropped before the A4 was produced. I loved my 2.6 but not much tuneability

    7. 2003 B6 Nogaro Blue S4 v8 quattro
    Gone but not forgotten:
    6. 1996 B5 Casablanca White A4 2.6 v6 quattro Sport
    5. 1989 B3 Maroon Coupe 2.0E
    4. 1986 B2 Red Coupe 2.2E Limited Edition
    3. 1985 B2 Red 80 Sport
    2. 1983 B2 Black 80 Sport
    1. 1984 B2 Silver 80 Sport

  9. #8
    "Stick a V8 in it!"

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    There are defo 2.8 12v A4's!

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  10. #9
    audiv6quattro's Avatar
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    That's the only thing I don't like about my car is there is no tuning at all it's a great car and it's great inside full leather carbon fibre trim digital climate control another problem is whenever I type my numberplate into anything I.e insurance quotes autotrader ect it allways comes up as an s4 not an a4 so I have to change details all the time. Thanks for your help guys anymore help would me much appriciated

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    Broken Byzan's Avatar
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    Quote Originally Posted by audiv6quattro View Post
    Hi everyone I've got an a4 2.6 v6 quattro it's recently had two new cats and my mpg is averaging about 19 mpg I know it's a v6 but that's ridiculous, I don't speed much as I live in a little town but also have juddering when accelerating, similar to s4_dans post really but my mpg is really crap, for instance if I put say £15 fuel in it lasts about 25-30 miles please help as it's getting expensive,
    The 02 sensors don't like being removed for some reason. I don't know why. Once disturbed they tend not to last long afterwards in my experience, especially if they were hard to remove in any way.

  12. #11
    Z82
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    Quote Originally Posted by aragorn View Post
    There are defo 2.8 12v A4's!
    Ah I didnt know that

    Quote Originally Posted by audiv6quattro View Post
    That's the only thing I don't like about my car is there is no tuning at all it's a great car and it's great inside full leather carbon fibre trim digital climate control another problem is whenever I type my numberplate into anything I.e insurance quotes autotrader ect it allways comes up as an s4 not an a4 so I have to change details all the time. Thanks for your help guys anymore help would me much appriciated
    Thats a high spec for an early A4

    7. 2003 B6 Nogaro Blue S4 v8 quattro
    Gone but not forgotten:
    6. 1996 B5 Casablanca White A4 2.6 v6 quattro Sport
    5. 1989 B3 Maroon Coupe 2.0E
    4. 1986 B2 Red Coupe 2.2E Limited Edition
    3. 1985 B2 Red 80 Sport
    2. 1983 B2 Black 80 Sport
    1. 1984 B2 Silver 80 Sport

  13. #12
    205man's Avatar
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    if its a sport it will say by the code on the boot sticker, and list what it came with

  14. #13
    "Stick a V8 in it!"

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    Seems very unusual to me that its appearing as an S4 on insurance databases, as those databases are based on the DVLA's information.

    What year is the car? Any pics of the engine?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  15. #14
    audiv6quattro's Avatar
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    Hi it's a p reg late 96 I think, that's what I thought it was a bit high spec there is a pic of the inside in the pic thread and I'll post up a pic of the engine later, it always comes up as an s4, at first I didn't realise and insurance was costing me 150 a month third party.

 

 

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