2000 ford expedition wont go foward
Is the check engine light on? If so you may have a problem with the shift solenoids or TCM, if no light then the possibility of a bad tranny is high.
The trans codes has to read with the trans code reader computer with higher end shops and the dealerships have, but solenoids & sensors can be tested also make sure the wiring harness to trans has no shorts. visual and voltmeter.
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