555 Scan it will tell you how

it will tell you how many milliseconds (mS) the injector is firing on the LCD readout

3L EFI (GEN+) V-6

and 4b Controllers

4L BRAVO & MIE (GEN

350 Mag BRAVO

555 Scan it will tell you howNow Shipping! This is a real time scanning and logging system for the user that wants to do scanning monitoring, data logging, and malfunction trouble code reading and clearing (including freeze frame data). Several operation and informational tests are also included such as Fuel Pump Relay Test, Horn Buzzer test, a function to set the ECM location (Port, Stbd, etc), and more. There are some scrteenshots below, and an installation and help guide HERE.