Toyota 3MZ-FE Engine Toyota first introduced the 3MZ-FE engine in 2002. It was a replacement for the 1MZ-FE in some models while others offer both engine options. The 3MZ FE is a DOHC 3.3L V6 engine featuring VVT-i. It shares the same base design as the 1MZ engine, however the 3MZ is slightly larger with a higher compression ratio. Toyota 3MZ-FE engines deliver a respectable … [Read more...] about Toyota 3MZ-FE 3.3L V6 Engine