Audi TT roadster boost broblem
#1
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Audi TT roadster boost broblem
Hi!
I have a great Audi tt 1.8T from 2006. The engine type code bvr.
I have a pressure control problem, the following is visible during dyno pad measurement. What do you think could be the problem, wastegate or n75 valve? Can N75 cause such an error? When driving, it stops above 4000rpm and there is a wavy fluctuation.
Thanks
I have a great Audi tt 1.8T from 2006. The engine type code bvr.
I have a pressure control problem, the following is visible during dyno pad measurement. What do you think could be the problem, wastegate or n75 valve? Can N75 cause such an error? When driving, it stops above 4000rpm and there is a wavy fluctuation.
Thanks
#2
AudiWorld Super User
Various boost and vacuum leaks are now common in Mk 1s due to age of the tubing & connectors. It could literally be anywhere. See the "expected performance" post below for an example
#3
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Thanks! One day I replaced the n75 valve. Solved the problem, it pulls really well, it's probably leaking.
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