Diesel Engine making noise, What is this noise

About Mazda

Mazda Motor Corporation (マツダ株式会社, Matsuda Kabushiki gaisha) is a Japanese multinational automotive manufacturer headquartered in Fuchū, Hiroshima, Japan. The company was founded on January 30, 1920, as Toyo Cork Kogyo Co., Ltd., a cork-making factory, by Jujiro Matsuda. The company then acquired Abemaki Tree Cork Company. It changed its name to Toyo Kogyo Co., Ltd. in 1927 and started producing vehicles in 1931. Mazda is known for its innovative technologies, such as the Wankel engine, the SkyAc...