How To Connect ECU To Tuning Software

1. Download RatronicEFI ECU configuration file and extract it:

2. Download and install FTDI drivers:

3. Download and install TunerStudio software:

4. Connect RatronicEFI ECU to computer (ECU needs to be powered by car – ignition turned on)

5. Open TunerStudio software and follow the steps in pictures below:


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