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Development of a New-Generation Small Inline 4 Gasoline Engine
Published July 23, 2002 by Society of Automotive Engineers of Japan in Japan
Event: 2002 JSAE Annual Congress
A new inline 4-cylinder gasoline engine has been developed for use on small passenger cars. New technologies adopted to reduce costs and improve performance include a plastic air intake module with an electronic throttle chamber, continuously variable valve timing control (C-VTC), a fine spray fuel injector and a catalyst substrate with a low heat mass. This new engine ranks among the best in its class in providing an optimum balance of power, torque and fuel economy. It also complies with the J-ULEV requirements of Japanese new exhaust emission regulations. This paper describes the major technological features of the new engine.