Getting Started

What You Need

Car: an EA through AU Falcon on the factory EEC-V
Flashing: a TI Performance J3 chip with the official programmer
Wideband: a TechEdge 2J9 controller over serial, with MAP, TPS, RPM and VSS wired to its analog inputs and counters
ECU data (optional): an ELM327 adapter, WiFi or serial, purely for logging and monitoring; not needed for Auto Tuning
Tune files: an XDF definition and the matching BIN
PC: Windows 10 or 11 x64

Built for: J3 chip tuning of Speed Density EA through AU Falcons, NA or forced induction.

Not for: BA/BF ECUs, MAF-based strategies, cars without a wideband, or engines with vacuum leaks and mechanical problems.

Pick or create a car profile at startup. New profiles run the setup wizard and can generate physics-based starting VE and spark tables
Drive: idle, cruise and boost, covering as many VE cells as possible. Either Live Tune corrects the table in real time as you go, or you just log and process the corrections in Log Analysis after the drive
Review the colour-coded deltas cell by cell, with playback to scrub through the drive
Flash the corrected BIN to the J3 chip
Repeat. The learning database carries per-cell history between sessions and fills in cells your latest drive missed

Prefer to stay hands-on? Skip the automatic corrections and tune cell by cell from playback instead, see Manual Tuning.

Windows 10 or 11 x64. The executable is self-contained, no runtime to install.

Settings, profiles and learning databases are stored next to the executable.

Installed builds check GitHub for updates at startup and offer one-click update and restart.

Bugs and feature requests: support@log2tune.com.