I was reversing once climbing a hill and the reverse pressure just drop as if it's not engaging in reverse properly, it has good pressure moving forward ,only reverse ,and u have to accelerate hard before it start reversing slowly like single man pushing a car
My car has 203495 miles.
My car has an automatic transmission.
This may be a sign of a faulty transmission control solenoid. Modern automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission solenoid, which directs transmission fluid into the valve body to engage the correct gear. When this is faulty or not working properly, this can cause a delay in gear shifting or in some cases cause the car to not shift at all. I would recommend having an expert from YourMechanic come to your location to take the car for a test drive to more specifically determine the cause for this.
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