[s-cars] Weird noise at WOT

[The Gagnons]

It could aslo be the bypass valve.  Does it honk like a goose?

Jack

> -----Original Message-----
> From: s-car-list-admin at audifans.com
> [mailto:s-car-list-admin at audifans.com]On Behalf Of Marc Rhatigan
> Sent: Monday, October 06, 2003 9:05 PM
> To: s-car-list at audifans.com
> Subject: [s-cars] Weird noise at WOT
>
>
> Hi -- Sorry to drop in here with nothing but problems, but y'all are the
> best, so here goes...
>
> My '97 (Canadian) S6 sounds like a cross between a vacuum cleaner and a
> dentist's drill between 3.5K and 4.5k at WOT. Definitely engine-vacuum
> related; doesn't happen with no load on the motor.
>
> Also doesn't happen -- or perhaps much more faintly -- at 3/4 throttle
> through the same range. Acceleration much smoother at 3/4
> throttle; perhaps
> a little more power than at WOT, too(?) Oddly, the engine seems fine
> otherwise.
>
> I have the MTM Stage III set up. Any ideas? Wastegate? Airbox?
> Intake leak?
> Thanks, all.
>
> Marc Rhatigan
>
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