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Discussion Starter · #1 ·
I noticed a small hesitation when I do the following:

1. Transmission on Tiptronic
2. I do a stop an go and leave it in on the second gear
3. The RPM will gradually increase up to 2900RPM approx and then will go down to 2700RPM.
4. After that, it will increase normally until I change the gear.

I showed that to the dealer and he told me this was happening when the turbo kick in. He said it was normal.

Is it ?

Thanks
 

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I do not know about turbo, but to my '99 V6 Tip 4Mo is happening same thing on 2400 droping to 2200 and after normal. Never happened n 1st, only 2nd;3rd,etc. Dealer do not know what is that. :???:
 

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I can think of 2 things ... 1 ) Turbo starting to spool (though I doubt it as our torque peak comes lower than that)

OR) Torque converter lockup, at a certain speed your RPMs will drop a bit, though your car will still pull


Basically when the output half of a torque converter(IE to trans) (laymens terms) reaches, or nears the matching input half (IE from the engine) the converter locks up, to keep from slipping/direct more power to the wheels

If you want more info on it, let me know...
 

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Discussion Starter · #4 ·
Thanks for the info.

I'm not sure which one it would be. I don't feel that the turbo kicks in after this hesitation. I know that I feel a small drop of power while it's happening.

Your second option sounds like the ASR system. Is it something similar ?

Thanks again !
 

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I have a 99 V6, mine does it also. It has been doing it since I have owned it (June 2002). I always thought it was the torque converter lockup. Post if you find out differently.

btw, since I have a V6 it is obviously not turbo related.
 
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