One problem related to overdrive light on has been reported for the 2003 Ford Explorer Sport Trac. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Ford Explorer Sport Trac based on all problems reported for the 2003 Explorer Sport Trac.
With no advance warning, the o/d off light began flashing and the transmission began to slip. Mechanic said the transmission is shot. I have not done any of the work yet, as I can not afford $3000 in repairs. I have since found out that this problem occurs on a large number of Ford explorers.