A 200 bar high pressure 6 - hole
direct fuel injector further improves fuel consumption and CO ₂ emissions.
The IS 250, IS 350 and IS F feature a D - 4 (IS250) or D - 4S (IS350 and IS F) direct injection system with
direct fuel injectors (D - 4 and D - 4S) and port fuel injectors (D - 4S only).
With its long - stroke and high compression ratio, multi-hole
direct fuel injectors, variable cooling system and the latest version of Toyota's Variable Valve - Timing - intelligent Electric (VVT - iE), this high - output powerplant takes the gasoline - powered internal combustion engine to a new level with world - leading thermal efficiency of 40 %.
Advanced technologies, including high - speed combustion, multi-hole
direct fuel injectors, a continuously variable capacity oil pump, a variable cooling system and VVT - iE intelligent variable valve - timing on the intake side give the engine maximum thermal efficiency of around 40 percent — an exceptional number for a passenger vehicle engine.
The engine leverages the spectrum of Toyota's advanced engine technologies: Dual VVT - i with VVT - iE (Variable Valve Timing intelligent system by Electric motor); D - 4S (Direct injection 4 - stroke gasoline engine Superior version) direct injection and laser - clad valve seats; longer stroke (4.07 inches; bore remains at 3.44 inches) and high compression ratio (14:1); multi-hole
direct fuel injectors; a variable cooling system; cooled Exhaust Gas Recirculation (EGR) system; and a full variable oil pump.
Features which enable this across a wide range of driving scenarios include multi-hole
direct fuel injectors, a continuously variable capacity oil pump, a variable cooling system and VVT - iE intelligent variable valve - timing on the intake side.
Technologies required include: Dual VVT - i with VVT - iE (Variable Valve Timing intelligent system by Electric motor); D - 4S (Direct injection 4 - stroke gasoline engine Superior version) direct injection and laser - clad valve seats; longer stroke (4.07 inches; bore remains at 3.44 inches) and high compression ratio (14:1); multi-hole
direct fuel injectors; a variable cooling system; cooled Exhaust Gas Recirculation (EGR) system; and a full variable oil pump.
Doing it all took the implementation of Toyota's vast catalog of advanced engine technologies: Dual VVT - i with VVT - iE (Variable Valve Timing intelligent system by Electric motor); D - 4S (Direct injection 4 - stroke gasoline engine Superior version) direct injection and laser - clad valve seats; longer stroke (4.07 inches; bore remains at 3.44 inches) and high compression ratio (14:1); multi-hole
direct fuel injectors; a variable cooling system; cooled Exhaust Gas Recirculation (EGR) system; and a full variable oil pump.
Not exact matches
Pcv could cause that misfire with a
direct injection car like a 2.0 t you don't have the
injector on the outside of the valve to clean it up with
fuel.
In
direct Injection, the
injector sprays the air
fuel mixture directly into the cylinder thus you have optimum computer controlled combustion.
The engine has the same measurements as the previous Versa's 1.6 - liter, but Nissan says it's new, and the mill utilizes variable valve timing on both intake and exhaust cycles and squirts
fuel via two
injectors per cylinder (not to be confused with
direct injection, mind you).
Direct injection is employed, as is variable valve timing, a high compression ratio, redesigned
fuel injectors, and reshaped piston cavities; the automatic transmission optimizes the use of its lockup torque converter; both transmissions and the engine are fractionally lighter.
The engine employs both
direct and port
fuel injection — two
injectors per cylinder — and the result lends strong, muscular acceleration through the eight - speed's short middle gears.
The German tuning firm took the stock
direct - injection 4.3 - liter V - 8, and fitted it with a supercharger, a water - to - air intake manifold, and larger
fuel injector.
Variations of EFI used in Ford vehicles include: Multi-port Electronic
Fuel Injection (MEFI) Also known as «direct port» injection, MEFI uses individual port - mounted injectors to deliver fuel directly to the intake inlet for each cylin
Fuel Injection (MEFI) Also known as «
direct port» injection, MEFI uses individual port - mounted
injectors to deliver
fuel directly to the intake inlet for each cylin
fuel directly to the intake inlet for each cylinder.
Step by step guide on how to test an automotive engine
fuel injector, this information pertains to electronic
fuel injected vehicles, not
direct injection.
High - pressure
direct - injection (2,900 psi / 200 bar) with multi-hole
fuel injectors provide a more even spray.
Direct fuel injection is realised by a central
injector inside the combustion chamber.
The D - 4S label refers to the unique
fuel delivery system, with both port and
direct injectors working alone or in concert to fine - tune the management of power and emissions.
So once again, the qualities of
direct gasoline injection featured in this engine come out very clearly, piezo -
injectors positioned in the cylinder head between the valves and therefore in the immediate vicinity of the spark plugs ensuring particularly precise dosage of
fuel and a clean combustion process.
Among the highlights of the four - cylinder engine are its
direct - injection system with exhaust gas turbocharging, an enhanced combustion system and extended stratification ranges for lean - burn operation using fast - acting
injectors for the multiple
fuel injections, and multi-spark ignition according to need.
With piezoelectric
injector common - rail
direct fuel injection that allows a lower compression ratio and with a VD (Variable Diffuser) / VG (Variable Geometry) turbocharger, the clean diesel unit delivers a maximum output of 150 kW (204 PS) and maximum torque of 420 Nm (42.8 kg - m).
The head also includes
direct - injection multi-hole
fuel injectors with a small - diameter bore.
Gas is delivered from the
fuel pump through the
fuel rail and is
directed to the
fuel injectors.
The
direct injectors deliver
fuel to the combustion chambers at pressures up to 200 bar (nearly 3000 psi).
A high - precision
direct fuel injection system with piezo
injectors also enhances performance and
fuel efficiency.
«Our intake - cam timing,
injector targeting and timing of the injection events are optimized to avoid
direct fuel contact on the intake valves.
For a more precise, effective air /
fuel mixture,
direct injection sends
fuel directly into each cylinder through a multi-hole
injector.
The 2.0 L turbo - diesel uses a central
direct fuel injection system, with the
injectors positioned in the middle of each cylinder and the bowl in the pistons serving as the combustion chambers.
The CR - V's system features a compact high - pressure
direct - injection pump that allows both high
fuel flow and pulsation suppression, and variable pressure control optimizes
injector operation.
The piston crowns are dished to help maintain stable combustion and to optimize distribution of the stratified
fuel charge from the
direct injector in each cylinder.
Injection is split between the
direct and port
injectors according to the engine load to help
fuel economy.
FUEL INJECTOR, NEW — This is a high quality, direct fit replacement fuel injector; Backed by 1 - year, unlimited - mileage warra
FUEL INJECTOR, NEW — This is a high quality, direct fit replacement fuel injector; Backed by 1 - year, unlimited - mileage w
INJECTOR, NEW — This is a high quality,
direct fit replacement
fuel injector; Backed by 1 - year, unlimited - mileage warra
fuel injector; Backed by 1 - year, unlimited - mileage w
injector; Backed by 1 - year, unlimited - mileage warranty.
Apart from the mounting positions of the
fuel injectors, the cylinder head has conventional port and combustion chamber designs, although both are optimized for
direct injection and high boost pressures.
The head also includes
direct - injection multi-hole
fuel injectors with a small diameter bore.
These include Toyota's Variable Valve Timing with intelligence (VVT - i) system; special lightweight pistons with resin - coated skirts to help reduce friction and noise; a two - stage, variable - length intake manifold, which improves mid-range to high - speed performance; newly designed 12 - orifice
fuel injectors; Toyota's
Direct Ignition System (DIS), which eliminates the distributor and its associated wiring; and a lightweight electronic throttle.
* The answer: features like Ford - first port
fuel and
direct injection (PFDI) with two
injectors per cylinder (one in the air intake port, another inside the cylinder), plus upper block and cylinders made of the high - strength compacted graphite iron used in the Super Duty ® 6.7 L Power Stroke ® Turbo Diesel.
A Chevrolet first, the new Dual
Fuel Injection system uses a port fuel rail and injectors, in addition to the Direct Injection system, to provide supplemental fueling during extreme throttl
Fuel Injection system uses a port
fuel rail and injectors, in addition to the Direct Injection system, to provide supplemental fueling during extreme throttl
fuel rail and
injectors, in addition to the
Direct Injection system, to provide supplemental
fueling during extreme throttling.
With its all - aluminium power unit, the BMW 740d xDrive boasts BMW TwinPower Turbo Technology as well as common - rail
direct fuel injection with its piezo -
injectors operating at a pressure of up to 2,000 bar.
Spray - guided
direct fuel injection with piezo
injectors, all - aluminum crankcase, four - valve - per - cylinder design with camshaft adjustment, an air - water intercooler, alternator management, ECO start / stop function and gliding mode have all been retained.
The new central position of the
injector improves combustion, which has
direct effects on
fuel economy and emissions quality.
The new diesel is equipped with piezoelectric
injector common - rail
direct fuel injection that allows a lower compression ratio and a VD (Variable Diffuser) / VG (Variable Geometry) turbocharger.
Aside from its larger displacement, the 3.5 - liter V6 differs chiefly in that it augments the
direct fuel injection with port
fuel injectors.
The IS F V8 engine employs innovative new technologies to maximize efficiency and reduce emissions, including the SFI D - 4 (
direct - to - cylinder injection system with secondary port
injectors)
fuel injection and the Electronic Throttle Control System with intelligence (ETCS - i).
FUEL INJECTORS, NEW, SET OF 6 — This is a high quality, direct fit replacement fuel injector set; Backed by 1 - year, unlimited - mileage warra
FUEL INJECTORS, NEW, SET OF 6 — This is a high quality,
direct fit replacement
fuel injector set; Backed by 1 - year, unlimited - mileage warra
fuel injector set; Backed by 1 - year, unlimited - mileage warranty.
During light - load operation, additional (port)
injectors in the engine's manifold supplement
fuel delivery from the
direct injectors for lower emissions.
This would be enshrouded by a polymer composite structure that could contain oil feeds for hydraulic valve lash adjusters and spark plug /
fuel injector pockets (assuming the engine has
direct injection).
Dual -
injector system A high point of the IS 350 remains its engine, a 3.5 - liter V - 6 using an innovative
fuel delivery system combining
direct injection and port injection.
Direct fuel injection with piezo
injectors.
Essentially, SFI D - 4 integrates two types of
fuel injection: A
direct - type high - pressure
fuel injection system, which provides a cooling effect in the cylinders and enables the high compression ratio (11.8:1) employed to extract maximum energy from the
fuel; and a set of low - pressure port
fuel injectors that help produce a precise burn to optimize power and efficiency under light - and medium - load conditions.