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Old 06-06-2010, 12:11 PM   #2
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knurly's Avatar
Join Date: Dec 2007
Location: Austin, Texas
Posts: 31
Assuming you followed the procedures outlined in the owners manual for resetting the TPC system, and let it recalibrate, I would say it is time for a warranty trip to the dealer.

I usually have to reset mine about once a year, after getting errant TPC warnings for low pressure. Once reset everything is fine.
2008 Boxster S Limited Edition
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