The gas pedal in your car is connected to the throttle valve — this is the valve that regulates how much air enters the engine. So the gas pedal is really the air pedal. A partially open throttle valve When you step on the gas pedal, the throttle valve opens up more, letting in ...
First, it wastes gas. Leaving your engine running consumes gasoline. As a matter of fact, allowing your car to idle for two minutes is equivalent to driving a mile. You can waste almost a gallon of gas if you leave your car idling for more than an hour. It burns up oil. Longer time...
The Exhaust Gas Recirculation (EGR) helps to take a portion of the exhaust and send it back into the combustion chamber. This process helps to decrease the internal temperature. Carbon dioxide doesn’t burn like oxygen does, so it helps to reduce the temperature in the engine. If the EGR...