Aug 20, 2019 · MM3 is a great product and an updated comprehensive user guide will allow us all to understand and utilize all the many features. Thank you so much for your help and support. …

Mar 14, 2017 · What MM3 tune do you run? Hey all, just bought the MM3 package from Ray. Excited to get all the parts on and send my stock file back in the coming few days to have him …

Jun 19, 2017 · MM3 can tune all the way back to a 1998.5 VP truck with UDC Pro if ya want. EFI Live CSP and Ezlynk switch a limited number of programs on the fly by accessing different …

May 1, 2025 · Hello community! I want to share my experience if someone else is in the same boat. So recently, I needed to update my MM3 to work on my new-to-me (2020) RAM, and I …

Sep 2, 2016 · MM3 Tuner vs EFI Live for Cummins Howdy folks! With things changing rapidly in the tuning world and the recent introduction of the MM3 tuner, I thought I'd throw up up a …

Sep 22, 2016 · Everything went as expected when getting the stock file. The unit stated that I had the stock file. I loaded up the SD card in my computer and I can't find “Custom” folder”Stock”. …

Jun 11, 2018 · I wondered if it would be wrong to install an EGT probe in the downpipe after the turbo? I have done all the reading and research on installing it on the collector before the …

Jul 10, 2017 · Re: MM3 Tuner - Trans Tuning Questions I need some help. I am currently looking to upgrade the transmission in my 2014 RAM, and the transmission company I am selecting …

Dec 1, 2023 · Re: MM3 Tuner - SD Card Issues? Check to see if you can read the SD card on a Windows computer. If you can recover the files and folders, format your new SD card 32GB or …

Aug 6, 2023 · I'm new to Cummins diesel, so I'm still learning. Can the MM3 adjust for tire size and pressure? Can EFI Live adjust those? What makes one better than the other? Just trying …