While driving in 3rd or 4th gear the converter stays locked up. If I depress the pedal enough it will still downshift, however the torque converter will not unlock prior to that. If I press the brake pedal the torque converter will unlock for a second and then lock up. My gas mileage is poor and the 3rd and 4th gear acceleration is really poor. MAP sensor passed all tests. Throttle cable kickdown cable is also properly adjusted. Anyone have any other ideas? Also I have an 89 cherokee with an AW-4 tranny, 4x4 , 4.0 6cyl.
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