The 1MZ-FE VVT-i engine is a 3.0-liter V6 gasoline engine manufactured by Toyota. It features Variable Valve Timing with intelligence (VVT-i) technology, which provides improved performance and fuel efficiency.
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Regarding the question of whether the 1MZ-FE engine is an interference or non-interference engine, it is generally considered to be a non-interference engine. In a non-interference engine, there is sufficient clearance between the valves and pistons, so even if the timing belt or chain were to break or slip, the pistons would not collide with the valves. This reduces the likelihood of serious engine damage in the event of a timing belt or chain failure.
However, it's important to note that while the 1MZ-FE engine is considered a non-interference design, there can be variations in engine configurations and models across different years and regions. Therefore, it's always recommended to consult the specific vehicle manufacturer's documentation or a reliable source to confirm the engine type and whether it's an interference or non-interference design for a particular vehicle and model year.