986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Purpose of evap valve under the intake manifold.

healthservices · 01-03-2014, 03:09 AM

If you have vacuum im the tank to purge the vapors you must also have fresh air going in. Otherwise you have the potential to collapse the fuel tank.

01-03-2014, 03:09 AM	#5
healthservices Registered Boxster abuser Join Date: Oct 2011 Location: socal Posts: 1,014	If you have vacuum im the tank to purge the vapors you must also have fresh air going in. Otherwise you have the potential to collapse the fuel tank.