Toyota 2JZ-FSE Specifications
| Engine Model: Toyota 2JZ-FSE |
| Engine Type: 4-cycle 6-cylinder 24-valve DOHC VVT-i liquid-cooled gasoline |
| Total Displacement: 182.9 cu.in (2.99 L) |
| Rated Engine Power: 217-220 Hp (162-164 kW) at 5600 rpm |
| Fuel System Type: Toyota D-4S (Direct Injection 4-Stroke) |
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The Toyota 2JZ-FSE represents a significant
technological divergence within the renowned JZ engine family, introduced in
2000 as the first JZ variant to incorporate direct fuel injection. Developed
during an era when fuel efficiency and emissions reduction became paramount
priorities for the Japanese domestic market, this 3.0-liter inline-six was
engineered to deliver the power characteristics of the conventional 2JZ-GE while
achieving approximately 20 percent improvement in fuel economy.
The D-4 direct injection system represented Toyota’s first implementation of
stratified charge combustion technology in a six-cylinder engine, utilizing a
high-pressure mechanical pump and specialized injectors to deliver fuel directly
into the combustion chambers.
A high compression ratio of 11.3:1, combined with VVT-i variable valve timing
and swirl control valves, enabled extremely lean air-fuel ratios approaching
40:1 under light-load conditions. Unlike its performance-oriented counterparts
in the JZ family, the FSE was designed exclusively for luxury sedan applications
and paired solely with automatic transmissions, prioritizing refinement and
efficiency over sporting credentials.
Configuration: Inline six-cylinder, longitudinally mounted
Displacement: 2,997 cc (182.9 cu.in)
Bore: 86.0 mm (3.39 in)
Stroke: 86.0 mm (3.39 in)
Compression ratio: 11.3:1
Firing order: 1-5-3-6-2-4
Engine rotation: Clockwise when viewed from the crankshaft pulley end
Maximum power output: 162-164 kW (217-220 hp) at 5,600 rpm
Maximum torque: 294 Nm (217 lb-ft) at 3,600 rpm
Engine idle speed: 650 rpm
Maximum engine speed: 6,500 rpm governed
Valvetrain: Dual overhead camshafts (DOHC), 24 valves with four valves per
cylinder, VVT-i (Variable Valve Timing with intelligence) on the intake
camshaft.
The cylinder block is constructed from cast iron,
maintaining the robust foundation characteristic of the JZ engine family. This
material selection prioritizes durability, dimensional stability under thermal
cycling, and resistance to bore distortion under high cylinder pressures. The
closed-deck design incorporates extensive webbing around the cylinder bores and
main bearing bulkheads, providing exceptional structural rigidity that
contributes to the engine’s longevity.
Seven main bearings support the crankshaft, with the intermediate bearings
positioned between each cylinder to manage the extended length inherent to
inline-six configurations. The block features an integrated oil filter mounting
boss on the left side and provisions for the D-4 high-pressure fuel pump
mounting. Cast-in coolant passages are optimized for uniform thermal
distribution across all six cylinders, critical for maintaining consistent
combustion conditions in direct-injection operation.
The cylinder head is manufactured from aluminum alloy
and features a narrow-angle combustion chamber design specifically developed for
direct-injection applications. The intake ports are configured to generate high
tumble flow characteristics, promoting thorough air-fuel mixing despite the
reduced time available for mixture preparation inherent to direct injection.
Swirl control valves are integrated into the intake manifold runners, closing
one of two intake ports per cylinder under light-load conditions to intensify
swirl motion and enable stable stratified charge combustion. Combustion chambers
incorporate a pent-roof configuration with the spark plug positioned centrally
and the direct injector mounted at a steep angle to direct the fuel spray toward
the piston crown.
Valve actuation employs direct-acting bucket tappets with shim-over-bucket
adjustment for valve clearance. The VVT-i system on the intake camshaft utilizes
a hydraulically actuated vane-type phaser capable of continuously varying intake
valve timing across a range of approximately 50 degrees of crankshaft rotation.
The camshafts are driven by a rubber timing belt with an automatic tensioner.
Valves: 24 (4 per cylinder).
Intake valve diameter: 34.5 mm (1.36 in).
Exhaust valve diameter: 30.0 mm (1.18 in).
Valve stem diameter: 5.5 mm (0.22 in).
Camshaft drive: Rubber timing belt with automatic hydraulic tensioner.
VVT-i operating range: Intake camshaft advance up to 50 degrees of crankshaft
rotation.
Valve lash adjustment: Shim-over-bucket, manual adjustment required.
The fuel system employs Toyota D-4S direct injection
technology, representing a dual-system architecture. A conventional in-tank
electric pump delivers fuel at approximately 4.0 bar (58 psi) to a high-pressure
mechanical pump mounted on the cylinder head and driven by the exhaust camshaft.
This mechanical pump elevates fuel pressure to 8.0-13.0 MPa (1,160-1,885 psi)
depending on engine operating conditions.
High-pressure fuel is distributed through a
stainless steel rail to six direct injectors that spray fuel directly
into the combustion chambers. The system operates in two primary modes:
ultra-lean stratified charge combustion under light-load conditions and
homogeneous stoichiometric combustion under higher load conditions.
Injector type: Electromagnetically actuated swirl-type direct injectors.
Injector flow rate: 170 cc/min at 12.0 MPa (1,740 psi) system pressure.
Fuel requirement: Unleaded premium gasoline with a minimum octane rating
of 91 AKI (95 RON).
High-pressure fuel pump: Single-piston plunger pump with integrated
pressure regulator.
Fuel rail construction: Stainless steel with pressure sensor feedback to
engine control module.
Throttle body: Electronically controlled drive-by-wire, 60 mm (2.36 in)
bore diameter.
The lubrication system operates as a fully pressurized
wet-sump configuration utilizing a rotor-type oil pump mounted at the front of
the engine and driven directly by the crankshaft. The pump incorporates a
pressure relief valve calibrated to maintain system pressure under
high-engine-speed conditions. Oil is drawn from the stamped steel oil pan
through a baffled pickup tube designed to maintain suction under dynamic driving
conditions.
A full-flow spin-on oil filter is mounted externally on the cylinder block. Oil
distribution occurs through main galleries cast into the cylinder block,
supplying the seven main bearings, connecting rod bearings, camshaft bearings,
VVT-i phaser, and hydraulic timing belt tensioner. Piston cooling jets are
integrated into the cylinder block, directing oil streams to the underside of
each piston crown to manage thermal loads.
Oil pump type: Rotor-type with pressure relief valve.
Oil pressure at idle (warm): 1.0-1.5 bar (15-22 psi).
Oil pressure at 3,000 rpm: 4.0-5.0 bar (58-73 psi).
Oil capacity with filter change: 5.4 liters (5.7 US qt).
Oil viscosity specification: 5W-30 or 10W-30 meeting API grade SJ or higher.
Oil pan construction: Stamped steel with integrated windage tray.
Oil filter thread: M20 x 1.5.
Cooling system circulation is managed by a belt-driven
centrifugal water pump mounted on the front of the cylinder block. Coolant flows
from the pump into the cylinder block water jacket, circulating around the
cylinder bores before passing upward through the cylinder head gasket into the
cylinder head. The thermostat housing is mounted at the cylinder head outlet,
controlling flow to the radiator based on coolant temperature. A coolant bypass
circuit maintains circulation through the heater core during warm-up. The
cooling system capacity is increased compared to port-injected JZ variants to
manage the additional thermal demands of the direct-injection system and high
compression ratio.
Coolant capacity: 8.5 liters (9.0 US qt) including heater core and radiator.
Thermostat opening temperature: 82°C (180°F).
Water pump drive: Timing belt-driven in an integrated arrangement with the
camshaft drive.
Radiator fan control: Dual electric fans with ECM-controlled operation based on
coolant temperature sensor input and air conditioning activation.
Coolant specification: Ethylene glycol-based antifreeze with corrosion
inhibitors, 50 percent concentration recommended.
| Intake and Exhaust Systems |
Intake System: A composite plastic intake manifold with
integrated swirl control valves is mounted to the cylinder head. The swirl
control valve system consists of six butterfly valves, one per cylinder, mounted
in the secondary intake runners. Under light-load conditions, these valves close
to block one of the two intake ports per cylinder, generating intense swirl
motion that enables stable stratified charge combustion. Under higher loads, the
valves open fully to maximize airflow and volumetric efficiency.
Exhaust System: Stainless steel exhaust manifold with individual runners merging
into a collector. A three-way catalytic converter is positioned beneath the
engine compartment. Dual heated oxygen sensors, one upstream of the catalyst and
one downstream, provide feedback for fuel control and catalyst efficiency
monitoring. The exhaust system is tuned to reduce pumping losses while
maintaining emissions compliance.
The ignition system utilizes a distributor-less
configuration with six individual ignition coils mounted directly over each
spark plug in a coil-on-plug arrangement. The engine control module determines
ignition timing based on crankshaft position sensor input, camshaft position
sensor input, engine load, and coolant temperature.
Two knock sensors are mounted on the cylinder
block, providing feedback for per-cylinder knock control to protect the
high-compression engine under varying fuel quality conditions. Spark
plug type: NGK IFR6A11 or equivalent iridium-tipped plug. Spark plug
gap: 1.1 mm (0.043 in). Ignition timing: ECM-controlled, not
user-adjustable.
Length: 760 mm (29.9 in)
Width: 650 mm (25.6 in)
Height: 720 mm (28.3 in)
Engine dry weight (complete assembly without fluids): 190 kg (419 lb)
Valve clearance inspection interval: 40,000 km (25,000
miles).
Valve clearance adjustment interval: As required based on inspection findings.
Intake Valve clearance (cold engine): 0.15-0.25 mm (0.006-0.010 in).
Exhaust Valve clearance (cold engine): 0.25-0.35 mm (0.010-0.014 in).
Timing belt replacement interval: 100,000 km (62,000 miles) under normal
conditions.
Timing belt replacement interval: 60,000 km (37,500 miles) under severe service.
Engine oil change interval: 8,000 km (5,000 miles) under normal conditions.
Engine oil change interval: 5,000 km (3,000 miles) under severe service.
Oil filter replacement interval: Every oil change.
Spark plug replacement interval: 100,000 km (62,000 miles) for iridium-tipped
factory plugs.
Coolant replacement interval: 80,000 km (50,000 miles) or 5 years.
Air filter replacement interval: 40,000 km (25,000 miles) under normal
conditions.
Accessory belt inspection interval: 20,000 km (12,500 miles); replace if
necessary.
High-pressure fuel pump inspection: 100,000 km (62,000 miles).
Intake valve carbon cleaning: Recommended at 80,000-100,000 km (50,000-62,000
miles).
Cylinder head bolts (11 mm x 1.25 thread), Step 1: 35
Nm (26 lb-ft)
Cylinder head bolts (11 mm x 1.25 thread), Step 2: 60 Nm (44 lb-ft)
Main bearing cap bolts, Step 1: 35 Nm (26 lb-ft)
Main bearing cap bolts, Step 2: 70 Nm (52 lb-ft)
Connecting rod cap bolts: 25 Nm (18 lb-ft)
Camshaft bearing cap bolts: 22 Nm (16 lb-ft)
Camshaft timing pulley bolts: 85 Nm (63 lb-ft)
Crankshaft pulley bolt: 250 Nm (184 lb-ft)
Flywheel bolts: 85 Nm (63 lb-ft)
Intake manifold bolts: 22 Nm (16 lb-ft)
Exhaust manifold nuts: 28 Nm (21 lb-ft)
Spark plugs: 18 Nm (13 lb-ft)
Valve cover bolts: 10 Nm (7 lb-ft)
Oil pan bolts: 12 Nm (9 lb-ft)
Water pump bolts: 12 Nm (9 lb-ft)
Timing belt tensioner bolt: 26 Nm (19 lb-ft)
Engine mount through-bolts: 60 Nm (44 lb-ft)
The Toyota 2JZ-FSE engine was produced exclusively for
the Japanese domestic market (JDM) and was never officially exported to other
regions in factory form.
Toyota Crown (S170 series, 1999-2007): The primary application for the 2JZ-FSE
across Royal, Athlete, and Super Deluxe trim levels. This installation utilized
a four-speed or five-speed automatic transmission depending on model year and
specification.
Toyota Crown Majesta (S170 series, 1999-2004): The flagship Crown variant
received the 2JZ-FSE in rear-wheel-drive configuration, paired exclusively with
a five-speed automatic transmission.
Toyota Brevis (2001-2007): A midsize luxury sedan positioned below the Crown,
the Brevis offered the 2JZ-FSE in its higher trim levels with rear-wheel-drive
and a five-speed automatic transmission.
Toyota Progres (2001-2007): A compact luxury sedan sharing its platform with the
Brevis, the Progres received the 2JZ-FSE in its range-topping configuration,
utilizing a five-speed automatic transmission.
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