1szfe Engine Manual Top |verified| May 2026

The Toyota is a 1.0L inline 4-cylinder engine introduced in 1999, specifically designed for small cars like the Toyota Yaris , and Echo. Jointly developed with

Maintenance Requirements

The 1SZ-FE features a Dual Overhead Cam (DOHC) design with 4 valves per cylinder and VVT-i (Variable Valve Timing with intelligence) on the intake side. Valvetrain: DOHC, 16 valves. 1szfe engine manual top