Why Throttle Body Is Essential in Petrol | Diesel vs Petrol Throttle body explained.
Автор: TechBehindAutomotive
Загружено: 2025-11-29
Просмотров: 127
In this video, you will understand the complete truth behind how engine RPM increases when you press the accelerator pedal.
We explain how the accelerator pedal sensor sends signals to the ECU, how the throttle body controls airflow, and how air–fuel mixture increases engine power.
You will also learn:
✔ Why petrol engines MUST have a throttle body
✔ Why old diesel engines didn’t have throttles but modern diesels do
✔ Why petrol throttle is normally closed and diesel throttle normally open
✔ Why throttle cleaning is NOT always required (self-cleaning feature)
✔ What stoichiometric ratio (14.7:1) means and why it is important
✔ How ECU opens the throttle valve and increases fuel injection
✔ How bigger combustion increases engine RPM and power
This is the simplest and most technical explanation in Hinglish with actual engineering logic.
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