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  1. #1
    Tricki's Avatar
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    Help Needed! Vibration at full throttle

    My car has been running fine up until recently, when I have started to feel a vibration in the acceleration when giving it full throttle at about 3000 rpm and upwards. Mate of mine first had a theory that I needed new plugs, but I have swapped them without any result. have also been thinking it can be a bad tank of fuel because it coincides with filling a full tank a station I'm not familiar with, and if they don't sell that much 98 it might be bad.

    However, the latest theory is that the engine gets too little fuel, I don't know how, but apparently turbo engines should have black dry residue on the plugs, but mine look like this (not this bad actually, but along those lines), indicating it runs lean?



    Anyone had similar experience with vibrations? It' really bugs me this, can't drive the car the way I want....
    Last edited by Tricki; 1st May 2012 at 22:42.
    S3 2002 AMK | O.CT stage 1 | K&N | Forge 008 | H&R Spacers R20/F10 | H&R Springs | N249 Deleted
    Forge Tie Arms | Forge Short Shift | Forge TIP | 18" TSW Nurburgring Gunmetal w/GY ASY2 | Mintex Discs (F)


    Next : Bilstein
    B8's + ARB's | Haldex Competition Controller

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  3. #2
    Nilz's Avatar
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    Possibly another case of faulty coil packs?

    Are you getting any engine management lights?

    Have you had your car in for coil pack recall??

    If not get in touch with Audi and they maybe able to replace them FOC and see if that helps, ideally you want to get your car scanned and see if it brings up any fault codes at all.

  4. #3
    Tricki's Avatar
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    Quote Originally Posted by Nilz View Post
    Possibly another case of faulty coil packs?

    Are you getting any engine management lights?

    Have you had your car in for coil pack recall??

    If not get in touch with Audi and they maybe able to replace them FOC and see if that helps, ideally you want to get your car scanned and see if it brings up any fault codes at all.
    No management lights and I don't know if the coil packs has been changed, but I somehow doubt it... I will try to get the codes read and see if anything comes up. Cheers!
    S3 2002 AMK | O.CT stage 1 | K&N | Forge 008 | H&R Spacers R20/F10 | H&R Springs | N249 Deleted
    Forge Tie Arms | Forge Short Shift | Forge TIP | 18" TSW Nurburgring Gunmetal w/GY ASY2 | Mintex Discs (F)


    Next : Bilstein
    B8's + ARB's | Haldex Competition Controller

 

 

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