The DIYAutoTune MS3Pro EVO is a mid-range wire-in engine control unit (ECU) from DIYAutoTune / AMP EFI. It is an older generation, no longer made, replaced by the DIYAutoTune MS3Pro EVO+ (supersedes MS3Pro EVO). It has support for up to 10 cylinders.
Prices checked . Specs from DIYAutoTune / AMP EFI's published data.

Key specs
DBW = drive-by-wire throttle channels · λ wideband = onboard wideband lambda (oxygen sensor) inputs · CAN = controller area network buses.
Features
- Drive-by-wireNot published
- Onboard widebandNot published
- Knock controlNot published
- Flex fuelNot published
- Traction controlNot published
- Launch controlNot published
- Boost controlNot published
- Gearbox controlNot published
- Onboard loggingNot published
- EthernetNot published
- USBNot published
- Built-in displayNo
Yes and No come from DIYAutoTune / AMP EFI's published specs; "not published" means the maker doesn't say. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- Supersedes the first-generation MS3Pro: more I/O, onboard 4-bar MAP and barometric sensors, 5 diagnostic LEDs, 64-channel logging at 330 Hz, 50+ ignition modes; no peak-and-hold injector drivers
- Part number
- MS3V-E_PKG
- Software
- TunerStudio MS
- Links
- Product page ↗
- Tuning
- Find a MegaSquirt tuner with a dyno
- Status
- Older generation, no longer made. Replaced by DIYAutoTune MS3Pro EVO+ (supersedes MS3Pro EVO)
- Maker
- DIYAutoTune / AMP EFI: history, software and every model
Identify it
- Part numbers
- MS3V-E_PKG
- On the label
- MS3Pro EVO
- How to tell
- Same family as the EVO+; 'EVO' without the plus on the label.
Sources: web.archive.org ↗
Software and manuals
- TunerStudio MS Supported by maker
Files are mirrored here with the maker's permission and kept after the maker stops supporting them. For a current release, the maker's own page is the authoritative source.
