it received fuel injection in 2020 in the form of transfer port injection (TPI). Last year, the 300 XC was given throttle body injection (TBI). This model and its Austrian cousins require premixed ...

Enter TPI (tiny programming interface), and exit all of your previously useful DIY AVR programmers. [Kimio Kosaka] wrote a dual-purpose TPI and ISP firmware for the ATmegaxxUn chips that are used ...