1998 F150 with Engine Problem *Help*
Senior Member
Joined: Jul 2010
Posts: 8,545
Likes: 2,552
From: Alaska
I'd say that in that 7 second clip that it is really hard to diagnose what it can be. Lots of things come to mind. The PCV elbow is my first thought, so a direct vacuum leak. EGR came to mind, but again, with the short clip it is hard to get a real spot to start.
