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Old 09-01-2025, 04:58 PM   #4
msciortino@me.com
Mike Sciortino
 
Join Date: Jul 2023
Location: South Riding, Virginia
Posts: 1
P0410/P1411 Error Codes

I have having a similar issue with these error codes (2002 Porsche Boxster S, 42,000 miles). The check engine light is on and I had a reputable shop look into it twice. My CEL came on on June 21, 2025 and I schedule a diagnostic appointment...the shop did a smoke test and checked sensors...everything checked out but the light and error codes came back...I brought it back and they checked again (another smoke test)...there were no obvious vacuum leaks from what they could tell. The next step would be to take the intake manifolds off and inspect inside...it is starting to get a little costly and I would like to get to the bottom of it.

The car drives fine and I have not noticed anything.

Mike in Virginia
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