AUM no response from accelerator pedal

Discussion in '1.8 & 1.8T' started by deanage1983, Dec 8, 2013.

  1. deanage1983 Forum Member

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    my friend is having a issue with his 20vt.
    its the aum engine and the car idles fine but there is no response from the accelerator pedal at all.

    a new pedal was fitted to no avail. i tried search and cant seem to find anything

    has anyone come across this before?

    i took the throttle body off gave it a good clean
     
  2. GVK

    GVK Paid Member Paid Member

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    Vag-com/VCDS?

    Any codes, could be throttle body itself or wiring to > from pedal.
     
  3. deanage1983 Forum Member

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    I don't have vagcom car is stuck where it is. In Manchester.
    Is therea way to test the throttle body?
     
  4. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    Aye with vag com or randomly changing parts till you find it
    Could be a few things
     
  5. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    you may need to do the basic settings if you have cleaned throttle body or changed any parts

    Would be good if you can get someone off hear to plug it in and see what's wrong
     
    deanage1983 likes this.
  6. GVK

    GVK Paid Member Paid Member

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    Always amazes me that people try DIY diagnostics on modern stuff (well mk3 on really..) and don't have vag-com/VCDS..
     
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  7. nealey Forum Junkie

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    I never understand the logic in it either, try and save a few quid instead of paying a garage and then just play dartboard diagnostics and throw parts at it which then ends up costing more in the long run
     
  8. GVK

    GVK Paid Member Paid Member

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    Obviously reading fault codes isn't the be and end all of it, but it's always a start!

    So much info available on-line to help with it all too.
     
  9. deanage1983 Forum Member

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    well i didnt expect that response..........

    not used to this modern electronics

    what happened to the good old cable
     
    Last edited: Dec 8, 2013
  10. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    dont worry about it i'v been there got stung for a few quid to get my tdi it scanned:)
    it was when i got the 4motion i got my first vag com lead

    paid for it self ten fold and made a few beers out of it as well
     
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  11. deanage1983 Forum Member

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    its not even my car haha, im stuck in the stone age and dont even have a diagnostic port on my cars
     
  12. Gup16v Forum Member

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    does the throttle body adapt - (make a noise) when you turn the ignition to phase one?
     
  13. deanage1983 Forum Member

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    it clicks then makes a high pitch noise until you start it
     
  14. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    i was the same till 4 years ago
    how things change

    you best bet would to get someone to scan it for you see what comes up and go from there
    cost less in the long run

    or have a punt on ebay for a cheap lead

    nice mk2 by the way


    ps as i said above i'd do the basic settings on throttle body in vag com after i'd read the fault codes first
     
    Last edited: Dec 8, 2013
  15. deanage1983 Forum Member

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    thanks mushy its off the road at the min in winter mode, plus i have some bodywork to do and replacing the bottom end.
    will tell him to get it scanned and post the results here

    will it be codes that show up or will it say e.g. sensor failed?
     
  16. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    it will be codes but it may tell you what it is and what part it is

    if not or if your not sure you can look hear http://wiki.ross-tech.com/wiki/index.php/Main_Page
    sure GVK will chip in if you post the codes up as sometimes a fault can be two or three things and he dose this day in day out has more clue than me
     
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  17. GVK

    GVK Paid Member Paid Member

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    Must admit, my post may have been a bit harsh, I apologise for that!

    But so often, people are posting asking for help with modern stuff, and code reading etc, is always the first stage of diagnosing them.
     
  18. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    Aye without a dout
     
  19. deanage1983 Forum Member

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    Like I said it isn't my car and I'm stubborn and like my older mechanics. I look at it as fewer things to go wrong. Apology accepted.
     
  20. 1990

    1990 Paid Member Paid Member

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    I'm in Rochdale and have a USB lead but no VCDS (I couldn't load it to my laptop for some reason).

    Your welcome to borrow the lead and you could try the VCDS download. Drop me a PM if you want to try it :thumbup:
     

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