This is Toyota 1NZ Engine working system
1NZ-FE ENGINE
The 1NZ-FE engine is a in-line, 4-cylinder, 1.5 liter, 16-valve DOHC engine.
VVT-I (Variable Valve Timing-intelligent)
DIS (Direct Ignition System)
ETCS-I (Electronic Throttle Control System-intelligent)
All are used on this engine in order to realize high performance, quietness, fuel economy and clean emission.
1) Engine Specification
- 4-Cylinder, In-line
- Valve Mechanism 16-Valve DOHC, Chain Drive (with VVT-i)
- Combustion Chamber Pentroof Type
- Manifolds Cross-Flow
- Fuel System SFI
- Ignition System DIS
- Displacement cm3
- (cu. in.) 1497 (91.3)
- Bore x Stroke mm (in.) 75.0 x 84.7 (2.95 x 3.33)
- Compression Ratio 10.5 : 1
- Max. Output*1
- (SAE-NET) 79 kW @ 6000 rpm (106 HP @ 6000 rpm)
- Max. Torque*1
- (SAE-NET) 139 N.m @ 4200 rpm (103 ft lbf @ 4200 rpm)
- Intake
- Open -7
- – 33
- BTDC
- Valve
- Intake
- Valve Close 52
- – 12
- ABDC
- Timing
- Exhaust
- g Open 42
- BBDC
- Exhaust Close 2
- ATDC
- Firing Order 1 – 3 – 4 – 2
- Research Octane Number 90 or higher
- Octane Rating 87 or higher
- Oil Grade ILSAC
- Tailpipe Emission Regulation TIRE2, ULEV-II
- Evaporative Emission Regulation ORVR
- Engine Service Mass*2
- kg (lb) Engine Service Mass M/T 83.2 (183.4)
- (Reference) kg (lb.) A/T 77.8 (171.5)
- 1: Maximum output and torque rating is determined by revised SAE J1349 standard.
- 2: Weight shows the figure with the oil fully filled.
