In this episode a special guest, Mario Rojas, joins me to complete our 3 part series involving engine mechanical testing using scopes. We discuss pulse sensor testing methods & variables. Make sure to check out the links below for more information. Super Mario Diagnostics- https://www.youtube.com/channel/UCaNH77hSGAZ5vF45hv6FpmQ TST Seminars- https://www.youtube.com/user/TSTseminars