Having problems with your Cars & Trucks ?
2007 Kia Optima 2.4L
After swapping the motor and transmission stopped engaging. Transmission was working perfectly before motor swap. Transmission fluid has been changed and topped off. Decided to push the car down the road and code p0700 (transmission issue) and p0731 (incorrect 1st gear ratio) came up. When on a jack, tires slightly rotate in all gears besides park. Am I looking for a faulty input/output sensor or output shaft speed sensor? I'd hate to start replacing sensors for no good re
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