Throttle body injection is a type of indirect fuel injection that was primarily used in the 1980s and 90s. The system typically has two fuel injectors mounted at the throttle body opening.

Direct injection type engines is a key innovation area in automotive. Diesel Direct Injection (DI) is a simple kind of fuel injection system, which was utilised by many previous generation diesel ...

So we're going to review EFI's basic operation, the different types of systems, and more recent technology. 0:00 / 0:00. ... Direct Injection. Direct injection implies just that.

Port injection is used at low RPM for better air-fuel mixing, which results in a more stable, efficient combustion. Direct injection, on the other hand, cools the air inside the cylinder, greatly ...

In this tech article HOT ROD explains the basics of gasoline direct injection engines including what DI is, how it works, and why it is a good thing for performance cars - Hot Rod Magazine ...

In the early days of direct injection, fuel was fed (at low pressure/5 to 20 psi) from a fuel pump (or lift pump) to an injection pump, which then ramped up the pressure to 15,000 to 25,000 psi ...