Toyota 2AR-FSE engine
The 2.5-liter Toyota 2AR-FSE engine has been produced since 2012 in Japan and the USA, and is installed in hybrid versions of popular rear-wheel drive sedans. The engine operates on the Atkinson cycle and is equipped with an integrated D4-S fuel injection system, which combines direct fuel injection with port fuel injection. The AR family includes the following engines: 1AR-FE, 2AR-FE, 2AR-FXE, 5AR-FE, 6AR-FSE, and 8AR-FTS.