The DIYAutoTune MicroSquirt V3.0 is an entry-level wire-in engine control unit (ECU) from DIYAutoTune / AMP EFI. It has 2 injector and 2 ignition outputs and support for up to 8 cylinders. List price is US$325. 10 sellers list it from US$314 to US$550.
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-wire
- ✕Onboard wideband
- ✕Knock control
- ✓Flex fuel
- ✕Traction control
- ✓Launch control
- ✓Boost control
- ✕Gearbox control
- ✕Onboard logging
- ✕Ethernet
- ✕USB
- ✕Built-in display
✓ published · ✕ not offered · ? not published. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- Tiny sealed MS2-based ECU; 2 injector channels (batch) for small engines/bikes
- Software
- TunerStudio MS (free Lite, paid registration for full)
- Logging
- PC only
- Links
- Product page ↗
- Tuning
- Find a MegaSquirt tuner with a dyno
- Maker
- DIYAutoTune / AMP EFI: history, software and every model
Where to buy the MicroSquirt V3.0
11 sellers found
No sellers match. Try another region or turn off “In stock only”.
Prices as shown on each seller's site on , in their own currency, converted at 14 Oct 2026 rates. Shipping, import duty and tax vary. Check with the seller before you buy.




