pgmfi.org ("Programmed Fuel Injection") was the home of the grassroots Honda and Acura ECU development community — the people who reverse-engineered OBD0/OBD1/OBD2 engine computers, documented their hardware, and built the free chipping and tuning tools that much of the scene still stands on. The original site is long gone; what could be recovered from mirrors and the Internet Archive lives on here, read-only.