Quote:
Originally Posted by LoneWolfGal
The more I research the problem, the more convinced I am that you're right about it being an issue with the EVAP system. Good call, blue62. After inspecting the hoses I think I'll begin with replacing the charcoal cannister, since it seems the most likely culprit. I'm not getting a CEL and it's my understanding that a cannister issue usually won't throw a code. If replacing it doesn't solve the problem I'll look at the purge valves. In any case, I'm going to wait until my shop manual arrives before tearing into it.
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Continuing to research the matter, I realized it would be a good idea to eliminate the comparatively inexpensive stuff -- hoses, purge valves, etc. -- before I replace the cannister, because a new cannister will set me back $382.50 for a genuine Porsche unit or $329.90 for a knockoff. I'm not used to Porsche's stratospheric prices yet.