

On the bottom of the controller is a sticker with a part number. The following table will help you determine which MEFI controller you have.

This has the 10-pin Delphi MEFI connector on one end and plugs into your computer's USB port on the other end. The MEFIburn Scan & Tune TM package comes complete with everything you will need to interface to generations of the MEFI controllers, including MEFI-1, MEFI-2, MEFI-3, MEFI-4, MEFI-4A, MEFI-4B: Crate Engines - Ramjet 502, Ramjet 350, LT1, LS1, LS2, LS6, LS7, Ecotec.Off-Road - Sand rails, race cars, industrial engines, and more.

Marine - MerCruiser, Volvo Penta, Crusader, Indmar, many boating applications.Since 1992 the GM Delphi MEFI ECM Controllers have been used in a wide variety of applications, including: Other costly packages force you to use an inconvenient hardware dongle or key, and only work with a few versions of the MEFI ECM series. Some competing systems will only allow you to monitor the performance of your boat or off-road vehicle's engine controller and reset engine trouble codes. It also allows you to view all of your sensor systems in real time and log the data for later viewing, in addition to seeing which malfunction trouble codes, MALF's, have been set. Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburn TM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B
