Two problems related to transmission gear slipping have been reported for the 1999 Ford Ranger. The most recently reported issues are listed below.
Automatic transmission malfunctioned, causing the gears to slip which may result in a crash. Please provide further information.
When vehicle is parked and the manual shift is in gear after being parked a while the transmission slips/does not engage, and if the parking brake is not applied, then the vehicle rolls free as if in neutral.