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Lost Power

Old Nov 19, 2008 | 02:29 PM
  #1  
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Default Lost Power

Have a question about active handling and traction control. Under hard acceleration with wheel spin does either active handling or traction control have the ability to reduce engine power or interfere with shifting? Recently while in sport mode and normal mode at around 60 MPH I floored the accelerator and at around 90 plus the engine lost power. This never happened before although I have not had the SC with a tune on the car that long and do not know what to expect. Should I be using a different driving mode when under hard acceleration?
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Old Nov 19, 2008 | 03:49 PM
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Find a safe(super key word: SAFE) place to test, turn off the nannies (TC/AH) or put it in comp mode and try the same test (60-90mph), if the results are the same, there may be something wrong with the tune. TC should'nt interfere unless you're spinning and AH shouldn't interefere unless you're going a bit sideways.
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Old Nov 19, 2008 | 04:31 PM
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Default Tune is good

I have had good runs its just this one time it happened. I my have had more wheel spin do not know. Question is can the AH or TC remove power from the engine.
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Old Nov 19, 2008 | 05:40 PM
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I wouldn't say it can "remove power from the engine" I would say " it can modulate the throttle to prevent car going out of preset parameters within the TC/AH programming. But , there is probally better experts on this subject here than me, so this'll be at least a "bump" to the top for your question.
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Old Dec 1, 2008 | 01:18 PM
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Boy I thought someone here would have been able to answer this with no problem! Just how smart is this car?
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Old Dec 3, 2008 | 09:51 AM
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very smart but won't save you on stupid moves..Be safe
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Old Dec 3, 2008 | 12:55 PM
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I believe TC starts by pulling some timing, which will cost some power. If that doesn't stop wheel spin then it closes the throttle.
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Old Dec 3, 2008 | 04:23 PM
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Default Thanks 6speeder

That makes sense, that's just what it felt like. Would driving in Comp or without traction control change any of that?
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Old Dec 3, 2008 | 04:57 PM
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Hi Ron,

I experienced the same thing, I also found that my A6 would not shift with wheel spin and would hit the rev limiter.

I had Chuck CoW tune the Trans and have not had any problems.

He tuned it as an 08 and it shifts quick and hard as you want it to, ether paddle or sport, plus it down shifts just as sweet.
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Old Dec 3, 2008 | 05:40 PM
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Thanks 7Red. Did Chuck just do the trans and leave the motor tune alone?
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Old Dec 3, 2008 | 07:33 PM
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Default Nope, we did both.....

Originally Posted by rwebcon
Thanks 7Red. Did Chuck just do the trans and leave the motor tune alone?
Nope, we did both.....

Usually, I need to do both to make it work right.

Call me if you need and I'll try to help you out...

I won't be back to Arizona for a bit.

Chuck CoW
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