To help meet increasingly stringent fuel efficiency and CO2targets, engine control systems must optimize the ignition and
fuel injection timing to match a variety of conditions, such as current combustion and driving status.
The PCM (powertrain control module) controlled spark and
fuel injection timing as well as the shift points for the new four - speed, transverse 4T80 - E transmission.
The fuel pump, fuel rail pressure,
fuel injection timing, and injection duration are controlled by the engine control module.
The camshaft position sensor works in relation with the crankshaft position sensor to allow the correct ignition timing and the correct
fuel injection timing.
The camshaft position sensor is a magnetic sensor that monitors camshaft speed to regulate ignition timing and
fuel injection timing.
earlier on owning the same truck i had engine shaking and running and misfiring found the problem... was
the fuel injection timing unit itself [looks like a distributor] at the back top of engine... upper bushing was wore out, couldn't tell until i pulled it, bought replacement for $ 50 at local NAPA... hope it helps!!
Not exact matches
A cetane number is a relative ranking of
fuels based on the amount of
time between
fuel injection and ignition (ignition delay) in a diesel engine.
The average rate of
injection of carbon into the climate system during these hyperthermals was slower than the present human - made
injection of fossil
fuel carbon, yet it was faster than the
time scale for removal of carbon from the surface reservoirs via the weathering process [3], [208], which is tens to hundreds of thousands of years.
Limited, handbuilt production began in 1968 and engine choices would include a series of gas and diesel four - cylinders, some with dual overhead cams and
fuel injection — heady stuff for the
time.
Like other in - line fours these days, it has balance shafts to control vibration, plus variable valve
timing and direct
injection to deliver both usable power and good
fuel efficiency.
Plan on direct
fuel injection, variable valve
timing, and active
fuel management (cylinder shutdown) to keep the pushrod V - 8s in play.
Here it has a wet sump as well as different pistons and conrods, while its Bosch Motronic
fuel injection was state - of - the - art at the
time.
This all - new four - cylinder engine runs smooth thanks to internal balance shafts to counteract vibration, combines power with good
fuel efficiency thanks to variable valve
timing / lift and direct
fuel injection, and operates with an easy, free - revving liveliness thanks to careful detailing to reduce friction and because, well, that's just the Honda way.
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).
About 90 percent of you will choose the CVT automatic instead, and this transmission works well with the engine's broad powerband, which is enhanced by variable valve
timing (no direct
fuel injection, though).
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 features both port and direct
fuel injection - variable according to performance and efficiency demands - and variable valve lift and
timing also help balance a high power output with reasonable
fuel efficiency.
The direct -
injection engine features active
fuel management and continuously variable valve
timing.
With this information, as well as the information it receives from the camshaft position sensor, the ECM can determine how to adjust the
timing of the ignition and
fuel injection.
Perhaps I should also mention that I have had some «mild» engine problems with, what I believe to be irregular
fuel injection (which I have already addressed by this
time and it seems to have helped), but I can not see how this engine problem could be related to windows coming down on their own and a faulty rear light warning, which is more electronics related.
The ECM uses this data to determine the
timing of the ignition, as well as the
timing of the
fuel injection that the engine requires.
Meanwhile, a twin - scroll turbo ensures that the boost spools up at low rpm and then carries through to peak rpm, variable valve
timing on both the intake and exhaust cams swells the power curve down low, and direct
fuel injection makes possible a relatively high 10.0:1 compression ratio that helps deliver crisp acceleration.
Compared with the last - gen TT RS, the 2.5 - liter turbo five in the new - for - 2018 model breathes better (thanks to new cylinder head with variable valve lift and duration
timing on the exhaust cam), weighs nearly 60 pounds less (an aluminum block, magnesium upper sump, and other fat - reducing measures), and makes considerably more power, the byproduct of new port
fuel injection and an increase in boost pressure from 18.1 to 19.6 psi.
A new vehicle that has direct
injection, variable valve
timing (and possibly lift) will usually (not a rule of thumb, though) run less
timing due to the
fuel being injected at higher pressures.
All engines get redesigned combustion systems, with gas direct -
injection, continuously variable valve
timing and cylinder deactivation, which GM calls Active
Fuel Management.
But today's all - new water - cooled 2.7 L is all - around better, benefiting from stop / start; direct
injection; VarioCam Plus variable valve
timing and lift on the intake cam; an alternator that sends more energy to the battery during braking and coasting; and a PDK dual - clutch transmission that enables additional coasting, allowing the engine to consume only enough
fuel to remain at idle during certain driving conditions.
«Nothing beats the feeling of this S54 engine as you pass 6,000 rpm and flirt with its redline,» says a giddy Butrico, rattling off details about the engine's double - VANOS variable valve
timing plus the high - performance electronic
fuel injection.
This engine with its direct
fuel injection and variable valve
timing produces 455 horsepower, some 29 hp more than the V - 8 of last year's Camaro SS.
While injecting
fuel into the combustion chamber requires approximately fifty
times the pressure used with port
injection and additional electronic control sophistication, significant benefits are delivered.
Direct
fuel injection, nearly equal bore and stroke dimensions, a 10.0:1 compression ratio, variable valve
timing (intake and exhaust), and a peak turbo boost of 11.6 psi yield impressive output figures: 450 lb - ft of torque at only 1750 rpm and 400 hp at a hearty 6400 rpm.
Available for the C63 sedan or wagon — and presumably, soon, the new C63 S coupe — the Brabus PowerXtra B40 - 600 tuning upgrade is a plug - and - play box of electronics that increases turbo boost pressure and modifies
fuel -
injection timing in the car's twin - turbo 4.0 - liter V - 8 engine.
Besides the apparent differences in
fuel -
injection, ignition, and valve
timing, are there any other differences in the design / build of two - stroke and four - stroke engines?
So naturally the
injection time is short in order to deliver little
fuel, because the fuelflow is always the same.
Continuously variable valve
timing, direct
injection, and cylinder deactivation migrate from the base C7, allowing for «surprising»
fuel efficiency, Chevy says.
3.0 - liter, dual overhead cam (DOHC), 24 - valve, 300 - hp inline 6 - cylinder engine - inc: TwinPower Turbo technology, piezo direct
fuel injection, Valvetronic, Double - VANOS steplessly variable valve
timing
ENGINE, 6.2 L ECOTEC3 V8 with Active
Fuel Management, Direct
Injection and Variable Valve
Timing, includes aluminum block construction (420 hp [313 kW] @ 5600 rpm, 460 lb - ft of torque [624 N - m] @ 4100 rpm)(STD)(L86)
With direct
fuel injection (DFI), continuously variable valve
timing on the inlet and exhaust sides as well as 8 - speed Tiptronic S fitted as standard.
Sequential Multi-port Electronic
Fuel Injection (SEFI) Specific type of multi-port injection that delivers fuel in more precisely timed pulses corresponding to the opening of each intake valve, SEFI takes advantage of the atomized fuel spray from the injectors to achieve a more precise combustion for better performance, often with improved fuel econ
Fuel Injection (SEFI) Specific type of multi-port injection that delivers fuel in more precisely timed pulses corresponding to the opening of each intake valve, SEFI takes advantage of the atomized fuel spray from the injectors to achieve a more precise combustion for better performance, often with improved fuel
Injection (SEFI) Specific type of multi-port
injection that delivers fuel in more precisely timed pulses corresponding to the opening of each intake valve, SEFI takes advantage of the atomized fuel spray from the injectors to achieve a more precise combustion for better performance, often with improved fuel
injection that delivers
fuel in more precisely timed pulses corresponding to the opening of each intake valve, SEFI takes advantage of the atomized fuel spray from the injectors to achieve a more precise combustion for better performance, often with improved fuel econ
fuel in more precisely
timed pulses corresponding to the opening of each intake valve, SEFI takes advantage of the atomized
fuel spray from the injectors to achieve a more precise combustion for better performance, often with improved fuel econ
fuel spray from the injectors to achieve a more precise combustion for better performance, often with improved
fuel econ
fuel economy.
The next generation of common rail diesels is expected to use variable
injection geometry, which allows the amount of
fuel injected to be varied over a wider range, and variable valve
timing (see Mitsubishi's 4N13 diesel engine) similar to that of petrol engines.
Specific type of multi-port
injection that delivers
fuel in more precisely
timed pulses corresponding to the opening of each intake valve.
Since I was installing the multi port
fuel injection, I installed the inlet and outlet
fuel lines at the same
time.
Rated at 278 hp and 265 lb - ft of torque, it features direct and port
injection, variable valve
timing with intelligent wider intake — which means it uses the Atkinson cycle at cruising speed for better
fuel efficiency and switches back to Otto - cycle when torque is necessary — and variable valve
timing with intelligent exhaust.
There are
times when the ECM (Electronic Control Module =
Fuel Injection Computer) will think the TPS has failed when it hasn't.
Regardless of
fuel system design, a mechanical diesel
fuel injection system and rapid rise of
fuel pressure and flow will result in
injection nozzle opening pressure being reached more rapidly and also earlier in the 4 - stroke cycle with more precise
fuel delivery, more precise
injection timing and built - in
timing advance.
Once the PCM gets this voltage, it does its little song and dance and starts to calculate
fuel injection, ignition
timing, transmission shift points, etc. in conjunction with the MAP Sensor, PIP Sensor, Engine Coolant Sensor and so on and on.
Higher compression and thermal efficiency along with
injection timing of
fuel and vaporization of
fuel through
injection system and not by heated surface is what distinguishes Diesel's patent of 3,500 kilopascals (508 psi).
Engine, 6.2 L EcoTec3 V8 with Active
Fuel Management, Direct
Injection and Variable Valve
Timing, includes aluminum block construction (420 hp [313 kW] @ 5600 rpm, 460 lb - ft of torque [624 N - m] @ 4100 rpm)
3.0 - liter dual overhead cam (DOHC), 24 - valve inline turbocharged 300 - hp 6 - cylinder engine with twin - turbo technology, piezo
fuel injection, and Double - VANOS steplessly variable valve
timing
ENGINE 5.3 L FLEXFUEL ECOTEC3 V8 WITH ACTIVE
FUEL MANAGEMENT DIRECT INJECTION AND VARIABLE VALVE TIMING includes aluminum block construction with Flex Fuel capability capable of running on unleaded or up to 85 % ethanol (355 hp [265 kW] @ 5600 rpm 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm)(
FUEL MANAGEMENT DIRECT
INJECTION AND VARIABLE VALVE
TIMING includes aluminum block construction with Flex
Fuel capability capable of running on unleaded or up to 85 % ethanol (355 hp [265 kW] @ 5600 rpm 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm)(
Fuel capability capable of running on unleaded or up to 85 % ethanol (355 hp [265 kW] @ 5600 rpm 383 lb - ft of torque [518 Nm] @ 4100 rpm; more than 300 lb - ft of torque from 2000 to 5600 rpm)(STD)
Fuel injection and
timing for example,...