I'd recommend cleaning the MAF. Fairly cheap and simple and easy to see if it made a difference.
Pelican Technical Article: Troubleshooting and Replacing the Boxster Mass Air Flow Sensor (MAF) - 986 / 987
Ok... posted a minute too late. +1 on what antny says. 
Last edited by 78F350; 04-21-2015 at 02:57 PM.
Reason: slow mouse click
|