One problem related to transmission slip out of gear has been reported for the 2002 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Ford F-150 based on all problems reported for the 2002 F-150.
Transmission drops out of gear at 25 to 30 mph. Took to dealer, they say no codes shown and they need to take transmission apart to find problem.