
ENGINE - 2AZ-FXE ENGINE
EG-5
FEATURES OF 2AZ-FXE ENGINE
The 2AZ-FXE engine has achieved the following performance through the use of the items listed below.
(1) High performance and reliability
(2) Low noise and vibration
(3) Lightweight and compact design
(4) Good serviceability
(5) Clean emission and fuel economy
Item
(1)
(2)
(3)
(4)
(5)
Description
High-expansion Atkinson cycle is used.
A head cover made of magnesium is used.
Engine Proper
A taper squish shape is used for the piston head.
Engine Proper
A cylinder block made of aluminum alloy is used.
A resin gear balance shaft is used.
Valve
The VVT-i system is used.
Valve
Mechanism
A timing chain and chain tensioner are used.
Cooling System
The engine coolant is used the TOYOTA Genuine
SLLC (Super Long Life Coolant).
The link-less type throttle body is used.
The intake manifold made of plastic is used.
Intake and
Exhaust System
The double wall structure compact exhaust manifold
is used.
y
A 2-way exhaust control system is used.
A ceramic type TWC is used.
Fuel vapor-containment system is used.
The fuel returnless system is used.
Fuel System
12-hole type fuel injectors with high atomizing
performance are used.
Quick connectors are used to connect the fuel hose
with the fuel pipe.
Ignition System
The DIS (Direct Ignition System) makes ignition
timing adjustment unnecessary.
Ignition System
Iridium-tipped spark plugs are used.
Engine Control
The ETCS-i is used.
Engine Control
System
Evaporative emission control system is used.