VW - Stalls when not warm. | FerrariChat
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VW - Stalls when not warm.

Discussion in 'Other German' started by amenasce, Mar 28, 2011.

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  1. amenasce

    amenasce Three Time F1 World Champ
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    #1 amenasce, Mar 28, 2011
    A friend who isnt too good with the internet and cars asked me why her Jetta was stalling recently when the car temp is still cold. It happened to her a few times at a red light. It would stutter and then die but she restarted it and it was fine aferwards. It happened 3 times, every time when the car was cold and either at idle or at very slow speed (parking maneuvering).

    The Car is a 2001 Jetta with 50k Miles.

    I thought it could be a dirty air/fuel filter?

    Any ideas?
     
  2. GuyIncognito

    GuyIncognito Nine Time F1 World Champ
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    #2 GuyIncognito, Mar 28, 2011
    Last edited: Mar 28, 2011
  3. agup48

    agup48 Two Time F1 World Champ

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    #3 agup48, Mar 28, 2011
    Do rpms flucuate when idling? Without pressing the gas, does it rise or decrease?
     
  4. 430man

    430man Formula Junior

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    #4 430man, Mar 28, 2011
    FWIW, that was going to be my guess even before Guy linked the threads.

    Do a tap test on it.
     
  5. amenasce

    amenasce Three Time F1 World Champ
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    #5 amenasce, Mar 28, 2011
  6. amenasce

    amenasce Three Time F1 World Champ
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    #6 amenasce, Mar 28, 2011
    I drove it a few minutes ago and it was bouncing from 800 to 1100 when idling just after we started it. But once the car was fully warm, it wouldn't bounce anymore
     
  7. GuyIncognito

    GuyIncognito Nine Time F1 World Champ
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    #7 GuyIncognito, Mar 28, 2011
    MAF is to VW as timing belts are to Ferrari

    ;) :p :)
     
  8. 430man

    430man Formula Junior

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    #8 430man, Mar 29, 2011
    ah... I'll take your word for it... I know nothing about punch buggies. Just my hunch from the symptoms.
     
  9. Mrpbody44

    Mrpbody44 F1 Veteran

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    #9 Mrpbody44, Mar 29, 2011
    Check the vacume hose from the brake booster. These crack and cause problems. Get some MAF cleaner at the auto parts store and clean it as well. These cars eat O2 sensors like candy. Replace them every 50,000 miles.
     
  10. amenasce

    amenasce Three Time F1 World Champ
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    #10 amenasce, Mar 29, 2011
    She said her car is going through oil like crazy. She had an oil changed 3 weeks ago and now the car was almost out of it. But it doesnt smoke and she said there is no leaking under the car.
     
  11. 430man

    430man Formula Junior

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    #11 430man, Mar 29, 2011
    heh check the coolant.
     

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