In case you detect the transmission slipping, as in failing to succinctly move through the gears, a failing torque converter could be the trigger. It will feel like the ability begins and sputters when you accelerate. However,  I strongly advise from disregarding these challenges. Driving using a poor torque converter https://torque-converter-clutch27042.ziblogs.com/34089135/the-ultimate-guide-to-torque-converter-clutch