Toyota 1UR-FE engine
The 4.6-liter Toyota 1UR-FE engine was introduced in 2006 as a power unit for SUVs, full-size pickups, and luxury models in emerging markets. Its main difference compared to the 1UR-FSE is the fuel supply system: distributed fuel injection instead of direct injection. The UR family also includes the following engines: 1UR-FSE, 2UR-GSE, 2UR-FSE, and 3UR-FE.