What will happen if I drive all the time in OD

Asked by GuruQTM3J Nov 15, 2019 at 12:01 AM about the 1999 Ford Expedition 4 Dr XLT 4WD SUV

Question type: General

2 Answers


Nothing as this is the normal way to drive. Lock out OD when driving in steep hills or towing heavy loads.

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Nothing will happens, OD/ overdrive is use to drive on the highway to save gas.Overdrive or OD is the highest gear in the transmission in an automatic car. It brings the RPM of the engine down at a given road speed to facilitate better speed and fuel efficiency. It also helps your car to provide the best performance in higher speed cruising. Overdrive helps when you drive at more than 50mph.Sep 19, 2019

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