Toyota NZ engine

Toyota NZ engine
Toyota NZ engine
Overview
Manufacturer	Toyota
Designer	Yasushi Nouno, Hiroshi Tada, Toshifumi Takaoka
Production	1NZ-FXE: December 1997–present; 1NZ-FE: July 1999–present; 1NZ-FXP: 2017–present; 1NZ-FE Turbo: 2003–2013; 2NZ-FE: October 1999–2020;
Layout
Configuration	Naturally aspirated Straight-4
Displacement	1,298 cc (1.3 L); 1,497 cc (1.5 L);
Cylinder bore	75 mm (3.0 in);
Piston stroke	73.5 mm (2.89 in); 84.7 mm (3.3 in);
Cylinder block material	Aluminium
Cylinder head material	Aluminium
Valvetrain	DOHC 4 valves per cylinder with VVT-i
Valvetrain drive system	Timing Chain
Compression ratio	9.5:1–13.4:1 (hybrid); 10.5:1–11.0:1 (naturally aspirated); 10.5:1 (turbocharged); 12.0:1 (CNG);
Combustion
Turbocharger	IHI RHF4 turbo with intercooler
Fuel system	Sequential fuel injection
Fuel type	Petrol; LPG (1NZ-FXP); CNG (1NZ-FNE);
Oil system	Wet sump
Cooling system	Water-cooled
Output
Power output	55–113 kW (75–153 PS; 74–151 hp)
Torque output	111–206 N⋅m (82–152 lb⋅ft; 11–21 kg⋅m)
Chronology
Predecessor	Toyota A engine (1.3 L & 1.5 L only); Toyota E engine;
Successor	Toyota NR engine

The Toyota NZ engine family is a straight-4 piston engine series. The 1NZ series uses aluminum engine blocks and DOHC cylinder heads. It also uses sequential fuel injection, and has 4 valves per cylinder with VVT-i.

The engines are produced by Toyota's Kamigo Plant in Toyota, Aichi, Japan (for Prius, Vitz, ist and Sienta);^[2] by Siam Toyota Manufacturing in Chonburi, Thailand (1NZ for Yaris and Vios);^[5]^[6] and by Indus Motor Company in Karachi, Pakistan (2NZ for Corolla).^[5]