I believe a lot of friends want to know how often the 7-speed dsg gearbox oil is changed. So I will give you a brief introduction today, I hope it can help you. The dual clutch transmission should ...
I believe a lot of friends have any idea about the d45t Toyota? I want to understand this issue, so I will give you a brief introduction today, I hope it can be helpful to you.
It is not d45t, it should be d4st, d4s represents a four-stroke engine equipped with a hybrid injection system, and t stands for turbocharged. Together, it is a turbocharged four-stroke engine equipped with a hybrid injection system.
Many Toyota vehicles use turbocharged engines equipped with hybrid injection technology.
A hybrid injection is either a port injection or an in-cylinder direct injection.
Intake port injection is also known as multi-point electric injection, and this injection method can be seen on many engines.
The fuel injection nozzle of the multi-point EFI system is fixed on the intake manifold. Gasoline is injected into the intake manifold, and then the gasoline and air are mixed in the intake manifold.
The injection nozzle of the direct injection engine in the cylinder is in the cylinder. Gasoline is injected directly into the cylinder, and then air and gasoline are mixed in the combustion chamber.
In-cylinder direct-injection engines have higher injection pressure, and this injection method can make gasoline atomization more thorough.
Gasoline atomization can be more thoroughly mixed with air, which can improve engine power and efficiency.
But in-cylinder direct-injection engines are not as efficient and emissions-efficient under certain operating conditions, so hybrid injection technology was born.
The engine equipped with the hybrid injection system can choose different injection methods under different operating conditions, so that both power and efficiency are taken into account.
If you are interested in Toyota's d4st engine, you can go for a test drive.
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