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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Performance and Technical Chat
Replaced MAF, Check engine light ON

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04-23-2018, 06:11 PM	#12
Lapister Registered User Join Date: Dec 2014 Location: Pasadena Posts: 261	Those two codes could mean vacuum leaks since they are reporting both banks. Lean conditions. Highly unlikely that 2 O2 sensors could go out. I would reinvestigate the Maf, maybe clean and be absolute its fastened well.

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