hey guys so today i partcipated in the black forest run meet. It was a blast and i was the only audi there (some of you guys should have came :P) anyways... i am having some concerns/ issues with the S. Its a Tiptronic and im wondering if maybe im just worrying to much so here it goes...

Problem #1: I have a giac x ecu on pump performance and if im just cruising along the highway and punch the gas (to kick down mode) my boost seems to go to about (14-16) PSI and then when it shifts it spikes to 17-18 and then back down 12-13 and then back up to 14-16 PSI again. Also i noticed when i was in tip mode and shifting manually the boost would be around 14-15 and when i shift spike up to 17 then go back to 14-15 again. Do i possibly have a boost leak/ problems with boost??? Or is this just normal??

Problem #2: I was trying to take the S to 160MPH today and when i have the giac ecu on Pump performance mode and im going about 135 getting ready to manually shift into 5th gear the tranny gets stuck between 4th and 5th and would downshift and upshift like 5-6 times until i ease off the gas a bit and then it would shift into 5th and then i can continue going just not flooring the car. Is this normal??

 

the first sounds like a possible problem with the DV's to me

the shifting seems more like an ecu issue, does it do that with any of the other settings? actually i'm wondering if it's related to the first problem, figidy throttle position sensor maybe?

 

My boost does kind of the same thing... but not that bad. It jumps one or 2 psi but thats it.

As for the tranny issue I have done 145 and it did NOT have any shifting issues.

Josh

 

No i mean if your in Drive mode not tip when you floor the car what is your boost at? Mine is like 14-15 and then when the car shifts it will go up to 17 which is up 1-2psi and then drop back down to 12-13 and shoot back up to 14-15. But if i use tip and shift it goes from 14-15 up to 17 then back down to 14-15psi again. is that normal?

For the boost on the stock setting it stays at 9psi and then when it starts to redline and shifts the boost will drop a bit to 7-8 and then go back up to 9 again...

Also about the tranny problem... I dont think the tranny does this on the stock setting... I got the ecu chip from tensecs4 and he said it was the right one for my car i think B box is the 2000 tip which is what i got from him...but my ecu isnt the original ecu for the car. any suggestions on why it might do that...?