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overdrive chooses the most fuel efficent gear but the savings will only be noticed on the highway. try not to use o/d when towing though, even on the highway. it's hard on the trans. YES!! Seriously? Just to add to the first two answers... Overdrive will kick in once the truck reaches approx. 55 mph. It shifts the transmission into a higher gear, which provides a higher output rotation at the wheels than the lower gears at the same input rotation/power. This translates into less work, and therefore less fuel consumption, to maintain the same speed. When the PCM determines that the truck needs more power rather than speed, it will downshift as needed. If you are towing, it will have to downshift more often, making for less fuel efficient operation. If you have a tachometer, glance at it as your transmission is shifting and try to track your RPMs as well as your speed. You will see that the RPMs actually drop when OD kicks in. The lower the RPM and the higher the speed, the more efficient the fuel consumption.
What else can I help you with?
When do you use overdrive in an automatic car?
If an automatic car is in off overdrive does it save fuel
What is overdrive on a Ford Mustang?
its acruising gear on all fords whether manual or auto so you save gas and your tranny goes into a higher gear, less torque on tranny
What does overdrive do on a 2004 Chevy Malibu?
overdrive is used to save fuel economy at cruiseing speeds,for freeway or open roads.
Should you drive your car in drive or overdrive?
If it has overdrive use it! it is a "highway gear" it will make no difference what so ever until you get up to speed then it will shift into overdrive and save you gas!
Should overdrive be turned on to save gas?
Yes it should, its very important.
Is overdrive safe to use in the city?
Safe but unnecessary. The trans will be constantly shifting in and out of overdrive in traffic and will put unnecessary wear on the transmission. Save it for the freeway.
Does the over drive button save on fuel or gasoline?
Overdrive engaged saves fuel.
What are the release dates for TaleSpin - 1990 Save the Tiger - 1.30?
TaleSpin - 1990 Save the Tiger - 1.30 was released on: USA: 7 November 1990
When was Save Mary created?
Save Mary was created in 1990.
What if your car loses RPMs at 45 mph?
If your vehicle has an automatic transmission with overdrive, then at speeds above 45 mph, it should be in overdrive, which reduces engine RPM's to save fuel.
Can you Tow automatic transmission cars?
If its a light load, if it will be frequently used its worth getting a transmssion cooler to save the trannys life. Its also a good idea when towing to drive with the over drive turned off. Overdrive isn't meant to handle a load, just to freewheel to save gas on the highway. Towing a load with the overdrive on can burn out the overdrive.
What are the release dates for Gravedale High - 1990 Save Our School 1-10?
Gravedale High - 1990 Save Our School 1-10 was released on: USA: 1990
