986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post

Cloudsurfer · 09-30-2007, 09:27 AM

On the Boxster, the secondary O2 sensors are after the pre-cats i the headers, not the secondary cats. The car cannot tell if the secondary cats have been removed.

Patrick

09-30-2007, 09:27 AM	#5
Cloudsurfer Registered User Join Date: Jan 2007 Location: Depends on the day of the week.... Posts: 1,400	On the Boxster, the secondary O2 sensors are after the pre-cats i the headers, not the secondary cats. The car cannot tell if the secondary cats have been removed. Patrick