Quote:
Originally Posted by Occasionally6
The key is that while most of the time the engine will be driving the car, under some circumstances, such as when decelerating or coasting downhill, the car is capable of driving the engine. Under such circumstances the computer that controls the fuel flow to the engine may shut the fuel off.
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She is in the Southwest. There aren't too many steep hills out there
Were I am, I prefer clutch in coasting because the hills are steep enough that I can coast farther (and actually pick up speed) vs the engine drag where I will actually lose speed down hills. I have tried it both ways, and in my area neutral coasting is best. Ultraguage confirmed. It will jump to 100-200 MPG in neutral, but only to 80-90 MPG with engine drag.