MegaSquirt Information And Technical Help

Note– these are here to help guide you and provide information.  As with anything involving electronics, computers, and cars bad things can happen without proper research and planning.  Do your homework.  We cannot be responsible for any of your actions or their results whether based on this information or not.  Be smart, and be safe… and for goodness sake, don’t blow your car up!

There are more articles to come… check back often!


From DIY Plug-n-Play setups to starting from scratch to build your own harness, and from factory EFI conversions to MegaSquirt to carb-to-EFI conversions.  These articles are being gathered from around the web to give examples of how people are implementing the MegaSquirt ECU on various vehicles.  Some contain very detailed technical information and wiring diagrams, some are more general in nature.  If you know of an article that should be featured here email me a link at


Want to learn more about Engine Management Systems and Tuning?

Pick up a copy of Performance Fuel Injection Systems by our own Matt Cramer & Jerry Hoffmann.

HP1557 - Performance Fuel Injection Systems

DIYAutoTune is an MegaSquirt EMS/EFI manufacturing and distribution company.