I just bought a 93 NA convertible with auto transmission. I’m noticing in third and fourth gear, the rpm will increase a little for a few seconds then go back down then will continue to repeat this. It shifts out fine but worried about the change in rpm. This of course is my first auto. Could this be something as simple as low on transmission fluid or a sensor. I’m actually gonna let the car warm up this evening and check the fluid just hoping it’s not something major
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Auto transmission question. - Jms90ttz18:39:33 02/21/22