The ZR engine family, introduced in 2007 by Toyota Motor Corporation, uses a DOHC 16-valve cylinder head with a 4-cylinder die-cast block. Engines displace either 1.6-liters, 1.8-liters or 2.0-liters. All engines in this family are equipped with Toyota's dual VVT-i technology that optimizes both intake and exhaust valve timing. This engine family is also the first to use Toyota's Valvematic system, first appearing on the Noah and Voxy in 2007 and then the European Avensis in 2009.
The Toyota 2ZR-FE is a DOHC, 16-valve, 1.8 L(1798 cc)[2] engine also equipped with Dual VVT-i.
This new engine is now replacing the 1ZZ-FE engine in most applications.[3] Output for this engine is rated at 101 kW (136 hp) at 6000 rpm and 174 N·m (128 lb·ft) of torque at 4400 rpm for the Corolla, Matrix, and Vibe and 95 kW (128 hp) and 171 N·m (126 lb·ft) of torque in the Scion xD.[WIKI]
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