Opening up a discussion and repair blog on the 3.4 Liter GM Engine. GM put these engines in a lot of their cars and minivans. They're relatively good engines after a few repairs. Problems, fixes, links to repair sites, open it up for whatever, feel free to post & comment.
This video from GM's Certified-Plus Training series provides details of the redesigned 3100 SFI Engine introduced on the 1994 Buick Regal and Skylark. Topics covered include: 1996 Government Requirements, Engine Introduction, Management Strategy, Diagnosis Review and Service.