Mystery MISFIRE: 1995 Buick Riviera Supercharged V6!

This 1995 Buick Riviera has only 27k original miles on the odometer! The owner has been battling with a MISFIRE, and finally dropped it off at a local shop. Let s pinpoint the root cause of the misfire and make a 100% guaranteed recommendation for repair. Don t see this kind of failure every day... IVAN S PICOSCOPE WAVEFORMS: https://drive.google.com/drive/folders/1JZKE8xE_8Xq250ONXY9dYz8BIMyoscfh?usp=sharing Enjoy! Ivan