b5 s4 running condition please help
hello all i have a 2000 s4 that has a running condition noone can figure out. i have no engine lights turbo's are putting out full boost but yet all the power is not there. audi tells me the car is running perfect as it is but when i accelerate hard the car seems to only have power at early part of throttle can anybody please give me any suggestions PLEASE thanks
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