TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

boost issues

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Old Oct 30, 2010 | 10:25 AM
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Default boost issues

alright everyone, this is my first post. i have a 2001 audi tt quattro roadster. these cars are supposed to run 14-15lbs of boost at max. and hold it there. heres the issue. if you press the pedal down slowly, the boost will climb to 10-11 pounds and hold there, never going up. if you push the throttle down very quickly to the floor(only in second and third gear) it will go to fourteen. it cant be a leak, because it wouldnt change with throttle response. anyone else have this issue? it has to be electronic, something to do with the car making the wastegate open. any help would be appreciated. i already checked the wastegate for issues, the seat in the turbo is good, and the wastegate doesnt hang open.
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