Toyota NZ engine
Encyclopedia
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 SFI fuel injection
, and has 4 valves per cylinder with VVT-i
.
The 1NZ-FXE is the earliest 1.5 L (1497 cm³) version built in Japan
. Bore is 75 mm and stroke is 84.7 mm. It features forged steel connecting rod
s and an aluminum intake manifold. The engine has a high physical compression ratio
of 13.0:1, but the closing of the inlet valve is delayed. The net result is that the engine has a greater effective expansion than compression—making it simulated Atkinson cycle
, rather than the conventional Otto cycle
.
The reduction in cylinder charge means reduced torque and power output, but efficiency is increased. This combination makes the 1NZ-FXE suitable for use with the Hybrid Synergy Drive
, where peak torque and power are of less importance. Output is 57 kW (76 hp) at 5000 rpm with 115 Nm (85 ft·lbf) of torque at 4000 rpm.
Applications:
The 1NZ-FXE Hybrid Synergy Drive in the Toyota Prius has won several International Engine of the Year
awards:
The 1NZ-FE is a 1.5 L (1497 cm³) conventional Otto cycle variant of the 1NZ-FXE. It has the same bore and stroke, but the compression ratio is lowered to 10.5:1, and it features VVT-i
. Output is 80 kW (107 hp) at 6000 rpm with 141 Nm (103 ft·lbf) of torque at 4200 rpm.
Applications:
. Bore is 75 mm and stroke is 73.5 mm, with a compression ratio of 10.5:1. Output is 63 kW (84 hp) at 6000 rpm with 121 Nm (89 ft·lbf) of torque at 4400 rpm.
The Toyota 2NZ-FE 1.3 L engine was designed in 1999 with Otowa Yamaha as the head engineer of the project. In 2004, Toyota introduced the VVT-i system on the 2NZ-FE to improve fuel efficiency and emissions. VVT-i is now a feature of all current Toyota engines.
Applications:
Straight-4
The inline-four engine or straight-four engine is an internal combustion engine with all four cylinders mounted in a straight line, or plane along the crankcase. The single bank of cylinders may be oriented in either a vertical or an inclined plane with all the pistons driving a common crankshaft....
piston engine series. The 1NZ series uses aluminum engine blocks and DOHC cylinder heads. It also uses SFI fuel injection
Fuel injection
Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....
, and has 4 valves per cylinder with VVT-i
VVT-i
VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing technology developed by Toyota, similar in performance to the BMW's VANOS. The Toyota VVT-i system replaces the Toyota VVT offered starting in 24 December 1991 on the 5-valve per cylinder 4A-GE engine. The...
.
1NZ-FXE
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
. Bore is 75 mm and stroke is 84.7 mm. It features forged steel connecting rod
Connecting rod
In a reciprocating piston engine, the connecting rod or conrod connects the piston to the crank or crankshaft. Together with the crank, they form a simple mechanism that converts linear motion into rotating motion....
s and an aluminum intake manifold. The engine has a high physical compression ratio
Compression ratio
The 'compression ratio' of an internal-combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity...
of 13.0:1, but the closing of the inlet valve is delayed. The net result is that the engine has a greater effective expansion than compression—making it simulated Atkinson cycle
Atkinson cycle
The Atkinson cycle engine is a type of internal combustion engine invented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency at the expense of power density, and is used in some modern hybrid electric applications.-Design:...
, rather than the conventional Otto cycle
Otto cycle
An Otto cycle is an idealized thermodynamic cycle which describes the functioning of a typical reciprocating piston engine, the thermodynamic cycle most commonly found in automobile engines....
.
The reduction in cylinder charge means reduced torque and power output, but efficiency is increased. This combination makes the 1NZ-FXE suitable for use with the Hybrid Synergy Drive
Hybrid Synergy Drive
Hybrid Synergy Drive is a set of hybrid car technologies developed by Toyota and used in the company's Auris, Prius, Highlander Hybrid, Camry Hybrid, Estima, Alphard, Lexus CT, Lexus RX 400h/RX 450h, Lexus GS 450h, Lexus LS 600h/LS 600hL, and Lexus HS 250h automobiles. Toyota also licenses its HSD...
, where peak torque and power are of less importance. Output is 57 kW (76 hp) at 5000 rpm with 115 Nm (85 ft·lbf) of torque at 4000 rpm.
Applications:
- Toyota PriusToyota PriusThe Toyota Prius is a full hybrid electric mid-size hatchback, formerly a compact sedan developed and manufactured by the Toyota Motor Corporation...
The 1NZ-FXE Hybrid Synergy Drive in the Toyota Prius has won several International Engine of the Year
International Engine of the Year
The International Engine of the Year is an annual competition for automotive industry internal combustion engines, judged by a panel of automobile journalists from around the world. It is organised by the United Kingdom's largest technical motoring, aerospace and traffic management publication...
awards:
- Best Eco-friendly 2000
- Best Eco-friendly 2001
- Best New Engine 2004
- Best Fuel Economy 2004
- Best 1.4-litre to 1.8-litre 2004
- International Engine of the Year 2004
- Best Fuel Economy 2005
- Best 1.4-litre to 1.8-litre 2005
- Best Fuel Economy 2006
- Best 1.4-litre to 1.8-litre 2006
1NZ-FE
VVT-i
VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing technology developed by Toyota, similar in performance to the BMW's VANOS. The Toyota VVT-i system replaces the Toyota VVT offered starting in 24 December 1991 on the 5-valve per cylinder 4A-GE engine. The...
. Output is 80 kW (107 hp) at 6000 rpm with 141 Nm (103 ft·lbf) of torque at 4200 rpm.
Applications:
- Toyota YarisToyota YarisThe Toyota Yaris is a subcompact car produced by Toyota since 1999. Between 1999 and 2005, some markets received the same vehicles under the Toyota Echo name...
/Echo - Scion xAScion xAScion xA is a five-door hatchback subcompact marketed in the US from 2004-2006 — as an export model of the Japanese Domestic Market Toyota ist. Based on the first generation Toyota Vitz hatchback, the xA shared a platform with the Toyota Platz sedan....
/istToyota istThe Toyota ist is a subcompact car made in Japan by Toyota.It is exported to the United States as the Scion xA and Scion xD and to Europe as the Urban Cruiser.-First generation:... - Scion xBScion xBThe Scion xB is a vehicle made by Toyota for the United States market and sold under their youth-oriented Scion brand. It is a box-shaped, 5-door compact hatchback.-First generation :...
(1st Generation)/Toyota bBToyota bB-First Generation :It is based on the Toyota Vitz.While the box-shaped car was initially targeted towards Japanese men in their twenties, it is also popular with women buyers.-Open deck :...
(1st Generation) - Toyota ViosToyota ViosThe Toyota Vios is a 4-door subcompact sedan developed for the South East Asia, China, and Taiwan markets.Introduced in 2003, the Vios serves as a replacement of the Toyota Tercel , which filled the Asian subcompact market for a 1.5 litre, below the Toyota Corolla and Toyota Camry, both of which...
- Toyota RaumToyota RaumThe Toyota Raum is a small, five-seat mini MPV that first appeared in May 1997. The second generation was released in May 2003. It is currently sold only in Japan....
- Toyota PorteToyota PorteThe Toyota Porte is a mini MPV produced by Japanese automaker Toyota. It is sold only in Japan which means only RHD and was introduced in July 2004. It is either a four or five-seater based on the Toyota Vitz subcompact car...
- Toyota PlatzToyota PlatzThe Toyota Platz is a subcompact automobile that was manufactured in Japan by Toyota from 1999 through to 2005, when replaced by the Toyota Belta. Designated by Toyota as the XP10 series, the Platz was sold in export markets as either the Toyota Echo or Toyota Yaris...
- Toyota IstToyota istThe Toyota ist is a subcompact car made in Japan by Toyota.It is exported to the United States as the Scion xA and Scion xD and to Europe as the Urban Cruiser.-First generation:...
- Toyota AurisToyota AurisThe Toyota Auris is a compact 3 door and 5 door hatchback which shares the same E150 platform with the Toyota Corolla.In Europe, Toyota positioned the Auris as the replacement of Corolla hatchback, while the notchback Sedan continued with the Corolla nameplate...
- Toyota Fun Cargo
- Toyota PremioToyota PremioThe Toyota Premio is a compact sedan sold in Japan by Toyota as designated by Japanese regulations concerning exterior dimensions and engine displacement....
- Toyota AllionToyota AllionThe Toyota Allion is a compact sedan sold in Japan by Toyota as designated by Japanese regulations concerning exterior dimensions and engine displacement. The Toyota Allion has a lot of space for the people sitting in the back-seats...
- Toyota SientaToyota SientaThe Toyota Sienta is a small five-door minivan with sliding doors sold only in Japan. Introduced in September 2003, it seats seven despite its very small size. It features avant-garde styling that is very similar to the Renault Twingo....
- Toyota WiLLToyota WiLLThe Toyota WiLL series consists of three individually-designed cars, based on the mechanicals of other Toyota models. The series was intended to appeal to markets that were not covered by Toyota's mainstream range, and to discover how commercially feasible such unusual designs were. The WiLL range...
- Toyota ProboxToyota ProboxThe Toyota Probox was introduced by Toyota for the Japanese market in August 2002. It is a small station wagon designed for commercial use as a delivery vehicle. The car is also closely related to the Toyota Succeed....
- Toyota RactisToyota RactisThe Toyota Ractis is a subcompact car produced by the Japanese automakers Toyota and Kanto Auto Works. It is a five-seated vehicle based on the Vitz, and was introduced in October 2005 as the successor of the Yaris Verso. The name "Ractis" derives from "Run", "Activity" and "Space"...
- Toyota Corolla Axio
- Toyota Corolla Fielder
- Toyota Corolla RunX
- Toyota Corolla Allex
2NZ-FE 1.3 L
The 2NZ-FE is a 1.3 L (1298 cm³) version built in JapanJapan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
. Bore is 75 mm and stroke is 73.5 mm, with a compression ratio of 10.5:1. Output is 63 kW (84 hp) at 6000 rpm with 121 Nm (89 ft·lbf) of torque at 4400 rpm.
The Toyota 2NZ-FE 1.3 L engine was designed in 1999 with Otowa Yamaha as the head engineer of the project. In 2004, Toyota introduced the VVT-i system on the 2NZ-FE to improve fuel efficiency and emissions. VVT-i is now a feature of all current Toyota engines.
Applications:
- Toyota YarisToyota YarisThe Toyota Yaris is a subcompact car produced by Toyota since 1999. Between 1999 and 2005, some markets received the same vehicles under the Toyota Echo name...
/Echo/VitzToyota VitzThe Toyota Vitz is a line of three- and five-door hatchback subcompact cars produced since 1998 by the Japanese automobile manufacturer Toyota. Now in its third generation, the name "Toyota Vitz" has been used consistently in Japan, with most international markets receiving the same vehicle under... - Toyota ViosToyota ViosThe Toyota Vios is a 4-door subcompact sedan developed for the South East Asia, China, and Taiwan markets.Introduced in 2003, the Vios serves as a replacement of the Toyota Tercel , which filled the Asian subcompact market for a 1.5 litre, below the Toyota Corolla and Toyota Camry, both of which...
- Toyota PlatzToyota PlatzThe Toyota Platz is a subcompact automobile that was manufactured in Japan by Toyota from 1999 through to 2005, when replaced by the Toyota Belta. Designated by Toyota as the XP10 series, the Platz was sold in export markets as either the Toyota Echo or Toyota Yaris...
- Toyota PorteToyota PorteThe Toyota Porte is a mini MPV produced by Japanese automaker Toyota. It is sold only in Japan which means only RHD and was introduced in July 2004. It is either a four or five-seater based on the Toyota Vitz subcompact car...
- Toyota Corolla (E140), Pakistan only