Features

Tune

Integrated tune checks: Check tables and limits against your engine, injectors, fuel and induction. Generation and autotune use the same specs.
AFR, VE & spark table generator: Generate starting VE, AFR target and spark tables from your engine specs, and preview them before applying.
Autotune: Correct fueling from wideband data in driving, idle, warm-up and recorded-log modes. Corrections are bounded and checked before applying.
Boost target & duty table generator: Fill the boost table from your wastegate spring and a safe, street or performance profile, capped at your boost limit.
Spotter tune check: Check the whole tune and get a go, caution or no-go verdict, with the problems ranked.
In-context tuning: Warnings and limits are worked out from your engine, injectors, turbo and fuel pump.

Log-to-tune matching: Every log efi2000 records notes the tune it started on and each time the ECU was written or burned.
Project-wide revision history: See what changed in the tune and project line by line, undo it, or restore an earlier tune.
Continuous logging & live telemetry: Turn on continuous logging and every engine run is saved as a standard MLG log without pressing record.
Log coverage map: Overlay a log on a table to see which cells were visited and how far the mixture was from target.
Log analytics: Measure how closely AFR or any other channel follows its target, overall and per operating region.

Cloud projects: Tunes, logs, definitions and vehicle specs are saved to your account and open on any device with a browser.
Offline tuning: Edit, generate and check a tune with no car; on connect, efi2000 compares tunes and you pick which to keep.
TunerStudio files: Your TunerStudio INI, MSQ and MLG files work as they are, with menus, tables and gauges built from the INI.
Speeduino, rusEFI, epicEFI, MegaSquirt: Works with Speeduino, rusEFI, epicEFI and MegaSquirt using their published INI files.
Vehicle & component library: Pick engines, injectors, turbos, superchargers and fuel pumps from a library instead of typing specs by hand.
Public tunes, logs & projects: Publish a project with its tune, definition and logs, or copy someone else's into your Garage.
Lua scripting: Edit, syntax-check and write the Lua script on rusEFI and epicEFI ECUs.
OnlyTurboFans: Stream up to five live ECU channels for others to watch on their phone.