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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Performance and Technical Chat
Dreaded SAI/Evap monitors Not ready and P0442

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10-02-2017, 06:47 PM	#9
boxfix Registered User Join Date: Sep 2017 Location: MALIBU Posts: 166	I had a similar problem and it was a leaking vacuum canister/reservoir and a check valve that fell out of the manifold. you need in the area of 18" Hg in the system for the SAI to work properly. Make sure you have no vacuum leaks. Use a vacuum gauge to see what you have. see: Secondary air pump check valve question __________________ 2003Boxster 1973 Carreras RS tribute 2000 Saab Aero wagon stick 1990 Chevrolet pu pre runner

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