MPFI
From 1991 to 1995 in the Mexican market, multipoint fuel injected, non-turbo version of the 2.2 and 2.5 were installed in many Chrysler Corporation vehicles. This version of the 2.5 was rated at 113 horsepower (84 kW), and in most cases lacked the balance shafts used in all other versions of the 2.5. The MPFI system gave better driveability, performance and fuel economy, and cleaner emissions, but was nevertheless not used elsewhere than the Mexican domestic market and Chrysler de Mexico's export markets.
Read more about this topic: Chrysler 2.2 & 2.5 Engine