The Toyota NZ engine family is a straight-4 piston engine series. The NZ series uses aluminium open deck engine blocks and DOHC cylinder heads. It also uses sequential multi-point fuel injection, and has 4 valves per cylinder with VVT-i.

5 days ago · The Toyota 1NZ-FE engine has electronic fuel injection system, VVT-i (Variable Valve Timing with intelligence) system on the intake side, ETCS-i (Electronic Throttle Control System-intelligent) and DIS-4 ignition system with individual ignition coil for each spark plug.

The intake is equipped with the VVT-i system (variable valve timing). The valvetrain has shimless, solid valve lifters/tappets (the valve clearance adjustment is required by replacing a set of tappets). The 1NZ has a traditional multipoint, sequential fuel injection.

Nov 15, 2023 · The double camshafts and four valves per cylinder also increase efficiency and so does the VVT system. All that helps the 1NZ-FE produce 110 horsepower which is more than impressive for a 1.5 naturally aspirated engine whose main purpose is low fuel consumption.

The VVT-i (Variable Valve Timing-intelligent) system, DIS (Direct Ignition System) and ETCS-i (Electronic Throttle Control System-intelligent) are used on this engine in order to realize high performance, quietness, fuel economy and clean emission.

Nov 17, 2024 · The Toyota 1NZ-FE engine features a 1.5-liter displacement and a DOHC (Dual Overhead Camshaft) design. It has 16 valves, with four valves per cylinder, and utilizes Toyota’s VVT-i (Variable Valve Timing with intelligence) system.

Sep 24, 2023 · Ultimate guide to the Toyota 1NZ FE (1NZ-FE) inline or straight-4 engine. Learn complete specs, engine design, common problems, and more

The Toyota 1NZ-FE is a 1.5 L (1,497 cc, 91.35 cu·in) straight-four, natural aspirated four-stroke liquid-cooled internal combustion vertical gasoline engine from the Toyota NZ-series. Cylinder bore and piston stroke are 75.0 mm (2.95 in) and 84.7 mm (3.34 in), respectively.

Nov 12, 2024 · The 1NZ engine also utilizes Toyota’s VVT-i (Variable Valve Timing with intelligence) system, which further enhances fuel efficiency and power output. Proper engine oil maintenance is crucial for the longevity and performance of any engine, including the Toyota 1NZ.

Dec 18, 2006 · VVT-i Activation: the scion's VVT-i is a computer controlled and oil-pressure activated push- push type system. The engine ECU can command the system to advance or retard the inlet camshaft timing, thereby providing for faster response.