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.
Overview
ManufacturerToyotaDesignerYasushi Nouno, Hiroshi Tada, Toshifumi Takaoka[4]Production
1NZ-FXE: from December 1997[1]
1NZ-FE: from July 1999[2]
1NZ-FXP: from 2017
1NZ-FE Turbo: from 2004
2NZ-FE: from October 1999[3]
Layout
ConfigurationNaturally aspirated Straight-4Displacement
1,299 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)
Block materialAluminiumHead materialAluminiumValvetrainDOHC 4 valves per cylinder with VVT-iTiming drive systemTiming ChainCompression ratio9.5:1-13.4:1
Combustion
TurbochargerIHI RHF4 turbo with intercoolerFuel systemSequential fuel injectionFuel typePetrolOil systemWet sumpCooling systemWater-cooledOutputPower output74-148 hp (75-150 PS; 55-110 kW)Torque output111-200 N⋅m (11-20 kg⋅m; 82-148 lb⋅ft )ChronologyPredecessorToyota E engineSuccessorToyota NR engine
The engines are produced by Toyota's Kamigo Plant in Toyota, Aichi, Japan (1NZ for Prius, NZ for Vitz and ist, and for Sienta);[2] by Siam Toyota Manufacturing in Chonburi, Thailand (NZ for NBC cars such as the 1NZ -FE for the Yaris and Vios);[5][6] and by Indus Motor Company in Karachi, Pakistan (2NZ for Corolla).[5]