986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Check Engine Light on

heyjae · 09-28-2008, 08:50 PM

Don't forget to check the oil cap. It might be the vacuum leak. Seriously, it may just be loose.

But based on your description, (at least on my S) there is a thin tube that goes from the intake manifold to the area behind the air box. I believe it attaches to the fuel pressure regulator. That tube simply slips over the fitting, so it could come loose very easily. It could be that.

I believe the vacuum tube to the EVAP system comes from the driver's side manifold as well.

09-28-2008, 08:50 PM	#12
heyjae Registered User Join Date: Oct 2007 Location: LA, CA Posts: 95	Don't forget to check the oil cap. It might be the vacuum leak. Seriously, it may just be loose. But based on your description, (at least on my S) there is a thin tube that goes from the intake manifold to the area behind the air box. I believe it attaches to the fuel pressure regulator. That tube simply slips over the fitting, so it could come loose very easily. It could be that. I believe the vacuum tube to the EVAP system comes from the driver's side manifold as well. __________________ 2000 Boxster S http://www.slipangle.com/images/ACSpeed_sig.jpg Last edited by heyjae; 09-28-2008 at 09:05 PM.