why does my tracker feel like its always shifting on highway
i have a 94 geo tracker and on the highway the car seems like it is always shifting. like a constant back and forth surge. its not shifting because it does this while driving on flat road with no throttle movement, and even going up a hill it feels like it is shifting back and forth. hard to explain besides like a high idle to normal idle (just enough to feel like it is shifting) havent counted the timing of this but about every 20-25 seconds it does it.
sound like the torque converter clutch is not staying engauged need to have scanned to find why , if its being signaled by computer to turn on/off or if hydraulic problem in transmission
it is obd 1 will it scan and read that info?
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