![]() Unfortunately, later down the line, a large issue with this engine in the 2007-2009 Camry came to light which lowered the resale value of those vehicles. ![]() Toyota did this because of initial success and efficiency of this little engine. The 2AZ-FE was equipped in various automobiles ranging from sedans, coupes, and small SUVs. Valvetrain: Dual Over Head Cams – Four-Valve per Cylinder.Some of the later engines even bumped the compression ratio all the way up to 12.5:1 with the help of an Atkinson cycle design. Later versions of this engine used Toyota’s direct injection system to further improve efficiency and power output. The cylinder block uses an open deck design to improve the cooling system’s efficiency. This engine also featured advanced technologies such as slant-squish combustion chambers, offset cylinder and crank center, and Toyota’s variable valve timing system, VVT-i. Toyota also used an aluminum cylinder head with a DOHC design to improve power and efficiency. The 2AZ-FE uses an all aluminum block design with cast iron cylinder liners to help save weight which was important for the economy-focused vehicles it was designed for. ![]() ![]() Unfortunately, this engine does have the same cult following that the 1UZ, 1JZ, and 2JZ have, but it’s still a cool little engine. The 2AZ-FE used advanced features to improve efficiency and reliability. Toyota introduced the 2.4L 2AZ-FE engine in 2000 as a replacement for the outdated 2.2L 5S-FE engine. ![]()
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