08-08-2013, 10:42 AM
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#2
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Registered User
Join Date: Sep 2010
Location: Foster City CA
Posts: 1,099
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1502 means the throttle return time is too long. Try clearing the throttle body unit throughly as a first step. Take a look at this thread:
Erratic Idle Code P1502 - 986 Series (Boxster, Boxster S) - RennTech.org Forums
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