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MS3-Pro, MS3-Evo, MS3-Pro Ultimate

Manuals for the MS3-Pro Gen 1, MS3-Pro Evo and MS3-Pro Ultimate (1.5.x firmware)

The manuals are split into three main sections : 1. Setting Up, 2. Hardware and 3. TunerStudio Reference. Manuals are available to download as PDFs or to view online page by page in your web-browser.

1. Setting Up

This manual contains a QuickStart Guide, installation, tuning and feature background information.

  • Megasquirt-3 Setting Up manual PDF WWW

2. Hardware

MS3Pro 1st Gen

MS3Pro EVO (supersedes 1st Gen)

MS3Pro ULTIMATE

These manuals contain wiring, fuel and ignition setup and board assembly details that are specific to your exact ECU version. Pick the ONE manual that applies to your ECU.

3. TunerStudio Reference

This manual contains a reference of all the tuning settings, datalog fields and general TunerStudio usage.

  • Megasquirt-3 TunerStudio Reference manual PDF WWW

Archive manuals for firmware 1.4.x here.
Archive manuals for firmware 1.3.x here.

MS3-Pro manuals are available on DIYAutoTune.com’s site  or core manual: PDF WWW