JMB RetrofitsChris Nott
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  1. #1
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    My S3 is driving me mad at the moment keeps on holding back ?

    My s3 2001 facelift has been driving me crazy for a while now when driving slowly or in traffic it's fine but when putting your foot down I boost what i should but it keeps on holding back sometimes it's ok, I thought it was a misfiring well feels like that so I thought I would change the spark plugs and coil packs, so changed them today still the same checked for faults prior that with my vag scanner and I'm getting 01279 longitudinal acceleration sensor which I knew about when my abs and esp lights were coming on in the past,
    but I cleared the fault and and it was fine for a while now it's come back surely this can't cause all these problems can it ? I have no other faults

    Could it be a boost leak sometimes sounds like it or something collapsing, I have checked around and seems ok was thinking the puck valve could be faulty or maybe n75 just don't know

    Please help

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  3. #2
    Greg-S3's Avatar
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    id go to a garage and have it smoke tested for boost/air leaks before anything else!

  4. #3
    <tuffty/>'s Avatar
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    Well... do the obvious stuff first mate... check all the pipes under the inlet manifold... and by check I mean pull and poke them about... a tell tale sign is oil... if there is oil on the outside covering stuff then its been blow out from somewhere...

    A smoke test would help if there is someone local to you that can do it...

    Whats the idle like?...

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  5. #4
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    Yeah did think of that just finding one in the Bedfordshire area ?

  6. #5
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    Paul, my idle is slightly bumpy, presume that again points to PCV leak?

  7. #6
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    Quote Originally Posted by <tuffty/> View Post
    Well... do the obvious stuff first mate... check all the pipes under the inlet manifold... and by check I mean pull and poke them about... a tell tale sign is oil... if there is oil on the outside covering stuff then its been blow out from somewhere...

    A smoke test would help if there is someone local to you that can do it...

    Whats the idle like?...

    <tuffty/>
    Saying that mate there is a little oil that I noticed today at the back to the right of the inlet manifold should I take of the mani to have a good look will try and take some pictures and post them up

  8. #7
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    Forgot to mention my idle is fine

  9. #8
    Greg-S3's Avatar
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    Quote Originally Posted by dre_S3 View Post
    Yeah did think of that just finding one in the Bedfordshire area ?
    im in northampton with a smoke test machine if that helps?

  10. #9
    <tuffty/>'s Avatar
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    Quote Originally Posted by JD09 View Post
    Paul, my idle is slightly bumpy, presume that again points to PCV leak?
    Potentially... happening more often these days... cars are getting old, oil + rubber = fail....

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  11. #10
    <tuffty/>'s Avatar
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    Quote Originally Posted by Gregor11 View Post
    im in northampton with a smoke test machine if that helps?
    You have your own smoke tester? quite an expensive bit of kit to buy

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  12. #11
    JD09's Avatar
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    Just need to get involved under the bonnet more, get to grips with the car like I did with the Clio. Think the TIP refit and PCV needs to be the start of it. Potentially do the Catchcan as well.

  13. #12
    <tuffty/>'s Avatar
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    Quote Originally Posted by JD09 View Post
    Just need to get involved under the bonnet more, get to grips with the car like I did with the Clio. Think the TIP refit and PCV needs to be the start of it. Potentially do the Catchcan as well.
    Do it! :D

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  14. #13
    Greg-S3's Avatar
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    Quote Originally Posted by <tuffty/> View Post
    You have your own smoke tester? quite an expensive bit of kit to buy

    <tuffty/>
    i wish mate, the garage i run has one! but i have access to it as and when

  15. #14
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    Quote Originally Posted by Gregor11 View Post
    i wish mate, the garage i run has one! but i have access to it as and when
    That would be great mate when would you be able to do it ? I'll sort you out obliviously

  16. #15
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    Quote Originally Posted by dre_S3 View Post
    That would be great mate when would you be able to do it ? I'll sort you out obliviously
    pm me your phone number and i'll give you a call to arrange, but potentially next saturday if thats any good to you as i'm away for the bank holiday weekend

  17. #16
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    Quote Originally Posted by Gregor11 View Post
    pm me your phone number and i'll give you a call to arrange, but potentially next saturday if thats any good to you as i'm away for the bank holiday weekend
    Cool mate I have pm you

 

 

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