Not sure what you mean by "immediately". You do know that overdrive doesn't kick in until 50 mph (80 kmh)?
There are several potential reasons why the transmission in a 1993 Aerostar van won't shift into overdrive. Common issues include low transmission fluid levels, which can affect shifting performance, or a faulty overdrive solenoid that controls the shifting mechanism. Additionally, problems with the vehicle's throttle position sensor or issues with the transmission itself, such as worn components or internal damage, could also prevent the shift into overdrive. It's advisable to have a professional mechanic diagnose the issue for accurate troubleshooting and repair.
Overdrive is the normally allowed position so there is only one " D " on a 1996 Ford Aerostar If you push the button on the end of the gear selector it will shut off the overdrive feature and " off " lights up on the gear selector lever and it only uses the first 3 forward gears ( Helpfull )
The transmition is bad it happened to me its the overdrive selinoid also valve body problem possible, solenoid is on valvebody.
posibbly the overdrive sensor we had a 88 ford aerostar that did the same thing
95 mitsubishi montero sr wont shift to overdrive why
what would transmission not to shift in to overdrive
This vehicle has an almost unnoticable shift into overdrive. You will notice your revs go down slightly when it engages. if your car has been stuck in 2nd gear then your transmission has automatically engaged protect mode and you should immediately take your vehicle to a repair shop.
On a 1998 Ford Taurus ; On the column shift the overdrive button is on the end of the gear shift lever On the console shift the overdrive button is on the drivers side of the gear selector lever below the button you have to press to shift out of PARK
The car needs to go into overdrive unless you are towing something heavy which makes it shift between overdrive and non overdrive. It is better to allow the car to shift into overdrive.
That Is The Way Overdrive on your vehicle is designed to operate. Consider Yourself Lucky, You Are Not Overloading The Transmission By It Not Shifting Into Overdrive Until 45 MPH If It Shifted Into OD At A Lower Speed Say 25 to 30 MPH It Would Put Too Much Load On The Transmission That Most Likely It Would Fail Before Long.
Overdrive is the normally allowed position but it won't shift into overdrive until the speed is fast enough
Because it does not have an overdrive gear.