oscilloscope is a graphing multi meter or voltmeter able to measure the shape and voltage of rapidly changing signals in an engine management system#cardiagnosticsheffield #sheffield #enginefaultcodes pic.twitter.com/1vOKKjaZA5
— lunar auto diagnostics (@lunarauto223) March 27, 2019
http://twitter.com/gstoakes/status/1111147263617916928 by gstoakes