Topmusicanswers
Transmission won't engage or stay in gear If when you put your vehicle into gear and it won't move, this may be a problem with low transmission fluid due to a leak, the shifter, shifter cable, or it could even be a problem in the valve body of your automatic transmission.
Why is my car not shifting when I accelerate on the speed?
Worn Transmission Fluid (Automatic Transmission)
Over time, the transmission fluid can become worn and dirty. Eventually, this can cause the engine to shift roughly, stall or fail to accelerate when you press on the gas. ... You may need a transmission fluid change, or perhaps a more significant drivetrain repair.
What would make a transmission not shift?
One main reason why the automatic transmission in your car may not be shifting smoothly is the ECM is going bad. It is best to get this checked out by an experienced auto mechanic technician who understands the electrical system. Other indicators include bad connections within, or worn out sensors and faulty solenoids.
