Launch X431 DiagunIV vs. Snap-On vs. Autel - Part 2

For Part 2, let s test some older cars with the Diagun IV: https://goo.gl/A4etbD 2002 Suzuki XL-7 1996 Mercury Mystique at 9:00 1992 Oldsmobile Sillouhette at 20:37 I focus on the real-world usability of the scanner, including special functions and BI-DIRECTIONAL controls. After testing the Launch DiagunIV on 5 vehicles, we get a pretty good picture of how it stacks up to the legendary Snap-On Verus and the trusty Autel MaxiDas DS708. Enjoy! Ivan