SI engines can use a carburetor or fuel
injection as port injection or direct injection.
Not exact matches
Much
as we'd love the Genesis R - Spec's 5.0 - liter unit to appear in the coupe, the current GenCoupe's turbocharged 2.0 - liter I - 4 and 3.8 - liter V - 6 offerings are expected to
port over, albeit possibly with direct fuel
injection.
Even using conventional
port fuel
injection, Honda's 3.5 L V - 6 beats most turbo - 4s by routinely delivering 28 mpg (8.4 L / 100 km) during our evaluations, same
as it did last year, thanks in part to cylinder deactivation.
I have heard that some direct
injection engines have problems with that, since the gasoline isn't spraying through the intake
ports, but the EGV valve still lets exhaust
as a source of carbon through.
Multi-
port fuel -
injection alone handles idle and low rpm situations, but
as speed and pressure build, direct -
injection takes on more and more of a role (
port injection never turns totally off).
In both the sedan and the wagon, a 3.0 - liter direct -
injection V - 6 now stands
as the base engine, in place of the previous 3.6 - liter
port -
injection unit.
As @SteveRacer highlights in his answer, this is a concern for
port injection setups when the engine is cold, because the fuel isn't atomized well.
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
Injection (MEFI) Also known
as «direct
port»
injection, MEFI uses individual port - mounted injectors to deliver fuel directly to the intake inlet for each
injection, MEFI uses individual
port - mounted injectors to deliver fuel directly to the intake inlet for each cylinder.
This year, in addition to Cadillac's new 4.9 - liter V - 8 and Oldsmobile's peppy Quad 4, Buick's 3800 V - 6 with tuned
port injection establishes itself
as one of the best V - 6s being made today.
The CAD images appear to show the engine utilizing both dual and
port fuel
injection like the Corvette ZR1's LT5,
as well
as two air intakes, with one side making use of a turbo that is tucked down in the rear sides of the C8.
The engine might occasionally operate only using
port injection —
as in cold starts, when it builds latent heat more quickly.
Nearly every automaker offers a V - 6 engine, but few, if any, can match the power, performance and smoothness of the 3800 TPI (tuned
port injection) V - 6 Buick introduced last year
as a mid-1990 option.
Replacing the outgoing Tacoma's 4.0 - liter V6, that 3.5 - liter motor is a bit unusual
as it runs on the Atkinson cycle for greater efficiency (Atkinson cycle engines are typically found in hybrids, including Toyota's Prius) and features simultaneous
port and direct
injection — a system Toyota calls «D - 4S.»
The engine features a direct
injection as well
as an additional
port injection.
Critical Knowledge: 2010 CTS Sport Wagon: Cadillac fills out the CTS lineup this year with the introduction of a new Sport Wagon model, which joins the CTS and CTS - V sedans and improves cargo utility by offering up to 53.4 cubic feet of cargo space with the rear seats folded.2010 CTS Sedan: The CTS Sedan gets a new standard 3.0 - liter V - 6 engine with direct
injection for 2010,
as well
as a USB
port, available adaptive forward lighting and a pop - up navigation system.
For 2018, numerous reversions were made to the 5.0, most notably the adoption of a
port and direct fuel
injection system,
as well
as spray - on bore liner, eliminating the need for conventional cylinder liners (changes shared with the 2018 Mustang).
Mounted longitudinally (at right angles to the original NSX), the almost square (91 x 89.5 mm) 75 - degree V6 has a usually high compression ratio (10:1) for a turbocharged engine and features a combination of
port and direct fuel -
injection as well
as variable timing on both inlet and exhaust cams.
The turbocharged engine could get better mileage than the much lower power TBI version, thanks to the multiple
port injection; even in EPA figures, the five - speed turbo did about
as well
as the single - injector automatic.
The
port water
injection system comprises a water pump; a water rail; and injectors which have been designed to handle the specific challenges arising
as a result of operation with water.
As explained on auto manufacturer itself, the EcoBoost technology produce a cooler, denser fuel -
injection charge that generates more power per every drop of fuel compared with a standard
port -
injection engine.
While the V10 engine has the same 5.2 liter displacement
as the one used in the final Gallardo production models it has been in fact completely re-engineered to include both
port and direct
injection while emissions could be reduced by 11 % from the use of a start - stop system combined with cylinder deactivation... just like we've seen on the MY2013 Aventador model.
Dual -
injection means the LT5 uses primary direct
injection as well
as supplemental
port injection, to get 755 horsepower out of 6.2 liters with the help of that gigantic supercharger.
Fuel
injection,
as we have (mostly) known it over the decades in which it has become a feature of all contemporary automotive engines, has been of the
port type: the fuel is injected into the engine's intake
ports, where air passes through on its way to the cylinders.
In low - load situations, the engine uses only the
port fuel
injection as it is said to be more efficient.
The RC F carries over the IS F sedan's 5.0 - liter V - 8 engine — internally known
as the 2UR - GSE — and still uses Toyota / Lexus» D - 4S direct
injection system with secondary
port injectors.
The 3.5 - liter V - 6 in the GS 350 is the same
as what Lexus put in the IS 350, and uses an interesting mix of
port and direct
injection.
A multi-hole injector delivers fuel directly into each cylinder (not to the intake
port,
as in conventional
port fuel
injection designs).
It's no surprise that this puppy is being mentioned in North Carolina
as that state has a GOP - dominated legislature — who, we may safely presume, are largely equipped with IV
injection ports connected to a Breitbart drip — and a history of climate denial in public policy, especially
as it relates to the impact of sea level rise on real estate developer's profits.
It has electronic sequential
port fuel
injection as its fuel system and engine is powered by 1585 cc air cooled twin cam engine.