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Old 05-12-2007, 08:35 AM   #4
MNBoxster
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Join Date: Sep 2005
Location: Minneapolis/St. Paul, Minnesota, USA
Posts: 3,308
Quote:
Originally Posted by Strawfordt
Jim,

My problem is intermittent. Does that help narrow down possible root causes?

Thanks
Hi,

Well it does somewhat. A plugged Purge Air Line or a polarity reversal to the Pressure Sensor would not be intermittent things - they either are or are not, which eliminates them as possibilities.

That leaves you with the Activated Charcoal Cannister or Shutoff Valve. I'm betting on the Cannister as the most likely culprit, especially on a '98. Hope this helps...

Happy Motoring... Jim'99
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