2002 Audi A4 car stalls when stopped in first gear or 1st g

Tiny
JPMRIDER
  • MEMBER
  • 2002 AUDI A4
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
I have an 02 A4 with 6 speed triptonic shifter
that gives me the option to drive an standard automatic or clutchless shifting.
When my car is in drive it seems that the engine stalls when it is at a full stop. Once I manage to take off the car up shifts perfectly. After driving for awhile on the highway the problem seems to go away but after the car sits for awhile and when ai take off again the problem will occur intermittenly, I already had a mechanic check out the ECM sensors which were fine. Except for the coolant sensor which seemed to have elivieated the problem temporarly. He even managed to replace the transmission fluid, o rings, and filter which was by far no easy task for an Audi as it is a sealed tranny with no plug or dipstick. So for now the ECM codes are coming back everything normal and fine but I'm still getting a stalling effect with the gear in drive or first while stopped. The only other thing I could think of is the engine idle may not be be right but again it does not appear to be that either.
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Sunday, June 21st, 2009 AT 1:26 PM

2 Replies

Tiny
BUDDYCRAIGG
  • EXPERT
Sounds like the solenoid valve that controls the torque converter is having a problem.

Does it feel like what a manual transmission car would do if you came up to a stop without stepping on the clutch pedal?
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Sunday, June 21st, 2009 AT 5:28 PM
Tiny
SIDE1OUT
  • MEMBER
I did not see one respond here but I will as my wife's car has a similar problem. The problem is intermittent and occur once a week or so but if it does it will continue for the rest of the trip. Yes. It does feel like a stalled out manual tranny! I also noticed that the car does not have the tourque it once did. The tourque converter sounds promising should it apply to the 2004 Audi A4 3.0. Our mechanic already replaced an air flow sensor and he did admit that he saw two codes when the check engine did come on for one occurence. Typically the check engine light does not come on so I personally do not think those codes are reliable. Does one know if the computer has a weakness for detecting a failed tourque converter?
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Sunday, August 2nd, 2009 AT 7:48 PM

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