What happens when you rev your car to high rev range?
What happens when you rev your car to high rev range? Your engine will be most efficient and use the least amount of gas while at idle. So anytime you rev your engine to the high rev range you will be using more gas than you would if you let your engine idle. When do you start the car, the engine revs? Car engine revs way up immediately upon starting engine. Q: Car engine revs way up immediately upon starting engine. When starting the engine, it sounds like you have your foot pressed to the floor on the gas pedal...