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The term fuel injection is vague and comprises various distinct systems with fundamentally different functional principles. The only thing all fuel injection systems have in common is the absence of carburetion. There are two main functional principles of mixture formation systems for internal combustion engines: internal and external.
The Subaru EA-82 engine was originally intended to be a 2.0 L engine as its prototypes were, but Subaru destroked it to 1.8 L for production. The EA82 was produced from 1984 to 1994. It came either with carburetor, single point fuel injection, or multi port fuel injection and hydraulic lifters.
The EZ series, consisting of the EZ30 and EZ36 models, was designed to be almost as compact as the EJ25 flat-4. The EZ30/36 were the first Subaru six-cylinder engines available outside the sport coupes, used as the uplevel option for Subaru Legacy (2002–19) and Outback/Lancaster (2001–19) as well as the sole option in the Subaru Tribeca ...
Compared to the FB16 used in the previous generation of the Levorg, the CB18 offers decreased fuel consumption (16.6 km/L (39 mpg ‑US) for the CB18 and 16.0 km/L (38 mpg ‑US) for the FB16, both using the JC08 mode) and increased torque (300 N⋅m (31 kg⋅m; 220 lb⋅ft) for the CB18 and 250 N⋅m (25 kg⋅m; 180 lb⋅ft) for the FB16). In ...
With the stratified-charge application, the 3.0L V-6 will continue to employ direct fuel injection, but the injectors have been redesigned to spray under higher pressure later in the intake stroke, just before compression, and the fuel is shaped to arrive in certain areas within the cylinder to optimize combustion.
The FA20D features both direct and port injection (Toyota's D-4S injection system) and Subaru AVCS variable valve timing system. It is used in the Subaru BRZ , and is identified by a Toyota engine family code known as the 4U-GSE , which is installed in the Toyota 86 and the Scion FR-S. [ 5 ] According to Subaru, 0W-20 oil is recommended.
Port injection refers to the spraying of the fuel onto the back of the intake valve, which speeds its evaporation. [1] An indirect injection diesel engine delivers fuel into a chamber off the combustion chamber, either a prechamber or swirl chamber, where combustion begins and then spreads into the main combustion chamber. The prechamber is ...
Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine.