EM TuningChris Nott
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  1. #1
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    a4 quattro problem

    hellow
    there im new and have been having problems with my car was wondering if there was anybody who had the same problem the car bucks between 1700rpm 2300rpm iv changed the coils the plugs air temp sensor cleaned throttle if any one could help would be appreciated oh tried scanner machine at seat garage but would not read the ecu

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  3. #2
    Neutral

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    Try vagcom, reasonably cheap to buy on ebay

  4. #3
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    thanks

    thank you will try

  5. #4
    Broken Byzan's Avatar
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    What car?
    What Age?
    Engine?

  6. #5
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    hi there sorry was supposed to say 1.8t engine ajl code and its a a4 quattro 1998 face lift

  7. #6
    Broken Byzan's Avatar
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    Assuming no boost leak, i'd go for the MAF sensor. Disconnect it and take it for a drive and see if it's ok now

  8. #7
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    quattro

    i will try will it idel higher if its the air mass cause it sits at 1400rpm

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

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    Air leak. Check all the pipes and hoses around the inlet manifold, and then do a pressure test if you cant find anything.

    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
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    Try the fuel pressure regulator pipe at the back of the inlet manifold near the bulkhead and also the vac line to the DV there prone to distort and leak.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  11. #10
    audiv6quattro's Avatar
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    hi mate hope you find the problem ive had the exact same problem on my 2.6 v6 quattro completly different engine i know but ive tried all the pipes hoses coolant temp sensor icm mine dont have a maf so couldnt try that but also tried changing both cats, maybe try changing your cat i still havent found the problem it so annoying im getting about 18mpg due to this problem. good luck mate

  12. #11
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    Have you checked the dv as when I took mine off to replace it with a forge item the diaphragm had a split in it and you could blow straight through it with little effort.
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

 

 

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