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blue2000s · 03-02-2009, 05:31 PM

I've been experiencing a SLIGHTLY bumpy idle, like +/-50RPM. Cleaned the throttle body, no change. I disconnected the hose here and found a little coating of nice, fresh smelling Royal Purple. RP has a really distinctive smell.

Is this a sign of impending AOS failure?

03-02-2009, 05:31 PM	#1
blue2000s Porscheectomy Join Date: Mar 2006 Location: Seattle Area Posts: 3,011	Is this an air/oil separator problem I've been experiencing a SLIGHTLY bumpy idle, like +/-50RPM. Cleaned the throttle body, no change. I disconnected the hose here and found a little coating of nice, fresh smelling Royal Purple. RP has a really distinctive smell. Is this a sign of impending AOS failure?