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The Toyota NZ engine family is a straight-4
Straight-4

The straight-4 or inline-4 engine is a four cylinder internal combustion engine with all four cylinder mounted in a straight line along the crankcase....
 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 mixing fuel with air in an internal combustion engine. It has become the primary fuel delivery system used in gasoline Automobile 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....
.

1NZ-FXE is the earliest 1.5 L (1496 cm³) version built in Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of 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. The connecting rod was invented sometime between 1174 and 1200 when a Inventions in medieval Islam, Timeline of Islamic science and engineering and Artisan named al-Jazari built five machines to pump water for the kings of t...
s and an aluminum intake manifold.






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The Toyota NZ engine family is a straight-4
Straight-4

The straight-4 or inline-4 engine is a four cylinder internal combustion engine with all four cylinder mounted in a straight line along the crankcase....
 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 mixing fuel with air in an internal combustion engine. It has become the primary fuel delivery system used in gasoline Automobile 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....
.

1NZ-FXE

The 1NZ-FXE is the earliest 1.5 L (1496 cm³) version built in Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of 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. The connecting rod was invented sometime between 1174 and 1200 when a Inventions in medieval Islam, Timeline of Islamic science and engineering and Artisan named al-Jazari built five machines to pump water for the kings of t...
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 inlet valve closing is retarded. The net result is that the engine has a greater effective expansion than compression – making it 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 and is beginning to see use in modern hybrid electric applications....
, 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
Hybrid Synergy Drive

Hybrid Synergy Drive, is a set of hybrid car technologies developed by Toyota and used in the company's Toyota Prius, Toyota Highlander Hybrid, Toyota Camry Hybrid, Lexus RX 400h, Lexus GS#GS 450h, and Lexus LS#LS 600h .2F LS 600h L automobiles....
, where peak torque and power demands can be met by the electric motor
Electric motor

An electric motor uses electrical energy to produce mechanical energy, nearly always by the interaction of magnetic fields and current-carrying conductors....
 and battery
Battery (electricity)

In electronics, a battery or voltaic cell is a combination of one or more electrochemical cell Galvanic cells which store chemical energy that can be converted into electric potential energy, creating electricity....
. Output is 57 kW (76 hp) at 5000 rpm with 115 Nm (85 ft·lbf) of torque at 4000 rpm.

Applications:
  • Toyota Prius
    Toyota Prius

    The Toyota Prius is a hybrid electric vehicle mid-size car developed and manufactured by the Toyota Motor Corporation.The Prius first went on sale in Japan in 1997, making it the first mass-produced hybrid vehicle....


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 judged by a panel of automobile journalists from around the world and organized by the United Kingdom's largest technical motoring publication company....
 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


1NZ-FE

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
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....
. Output is 80 kW (106 hp) at 6000 rpm with 140 Nm (103 ft·lbf) of torque at 4200 rpm.

Applications:
  • Toyota Yaris
    Toyota Yaris

    The Toyota Yaris brand is used to refer to non-japanese versions of:*Toyota Vitz, hatchback sold as the Toyota Yaris in South Africa, Europe, South America, and later in Australia and North America and Jamaica...
    /Echo
    Toyota Echo

    The Toyota Echo is a model name previously used by the Toyota Motor Corporation on the export version of two different models.The Echo is a compact, entry-level model that is perhaps most popular for its fuel efficiency....
  • Scion xA
    Scion xA

    Scion xA was a five-door hatchback subcompact car marketed in the US from 2004-2006 — as an export model of the Japanese Domestic Market Toyota ist....
    /ist
    Toyota ist

    First GenerationThe Toyota ist is a subcompact car sold in Japan by Toyota, exported to the United States as the Scion xA. Based on the first generation Toyota Vitz hatchback, it shared a platform with the Toyota Platz sedan....
  • Scion xB
    Scion xB

    The 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 station wagon....
  • Toyota Vios
    Toyota Vios

    The Toyota Vios is a 4-door subcompact sedan developed for the South East Asia and China markets.Introduced in 2003, the Vios serves as a replacement of the Toyota Soluna which filled the Asian Subcompact car market for a 1.5 litre, below the Toyota Corolla and Toyota Camry, both of which are also marketed in the region....
  • Toyota Raum
    Toyota Raum

    The 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 sold only in Japan....
  • Toyota Porte
    Toyota Porte

    The 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....
  • Toyota Platz
    Toyota Platz

    The Toyota Platz and the Toyota Echo sedan are small vehicles manufactured by the Toyota Motor Corporation based on the Toyota Vitz, the vehicle's hatchback variant....
  • Toyota Auris
    Toyota Auris

    The 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 by the Corolla nameplate....
  • Toyota Fun Cargo
  • Toyota Premio
  • Toyota Allion
    Toyota Allion

    The Toyota Allion is a compact sedan sold in Japan by Toyota.The name is created based on the phrase "all-in-one".Launched December 25, 2001, it replaced the Toyota Carina, a model that first appeared in 1970....
  • Toyota Sienta
    Toyota Sienta

    Not to be confused with the Toyota SiennaThe 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....
  • Toyota WiLL
    Toyota WiLL

    The 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....
  • Toyota Probox
    Toyota Probox

    The Toyota Probox was introduced by Toyota in Japan in August 2002. It is a small wagon designed for commercial use as a delivery car, and closely related to the Toyota Succeed....
  • Toyota Ractis
    Toyota Ractis

    The Toyota Ractis is a subcompact car produced by Japanese automaker Toyota and sold only in Japan. It is a five-seater based on the Toyota Vitz, and was introduced in October 2005 as the successor of the Toyota Yaris Verso....
  • Toyota Corolla Axio
  • Toyota Corolla Fielder


2NZ-FE 1.3 L


The 2NZ-FE is a 1.3 L (1298 cm³) version built in Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of 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 (85 hp) at 6000 rpm with 121 Nm (89 ft·lbf) of torque at 4400 rpm.

The Toyota 2NZ-FE 1.3 L engine was built in 1999 with Otowa Yama as the head engineer of the project. In 2004, Toshima 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 Yaris
    Toyota Yaris

    The Toyota Yaris brand is used to refer to non-japanese versions of:*Toyota Vitz, hatchback sold as the Toyota Yaris in South Africa, Europe, South America, and later in Australia and North America and Jamaica...
    /Echo
    Toyota Echo

    The Toyota Echo is a model name previously used by the Toyota Motor Corporation on the export version of two different models.The Echo is a compact, entry-level model that is perhaps most popular for its fuel efficiency....
    /Vitz
    Toyota Vitz

    The Toyota Yaris is a line of subcompact cars first launched by Toyota in 1999, designed by Sotiris Kovos. The Yaris is a 3 and 5 door hatchback automobile....
  • Toyota Vios
    Toyota Vios

    The Toyota Vios is a 4-door subcompact sedan developed for the South East Asia and China markets.Introduced in 2003, the Vios serves as a replacement of the Toyota Soluna which filled the Asian Subcompact car market for a 1.5 litre, below the Toyota Corolla and Toyota Camry, both of which are also marketed in the region....
  • Toyota Platz
    Toyota Platz

    The Toyota Platz and the Toyota Echo sedan are small vehicles manufactured by the Toyota Motor Corporation based on the Toyota Vitz, the vehicle's hatchback variant....


See also


  • List of Toyota engines
    List of Toyota engines

    Toyota Motor Corporation has produced a wide variety of automobile engines. The company follows a simple naming system for their modern engines:# The first numeric characters specify the engine block's generation...