Two problems related to engine have been reported for the 2004 Ford Explorer Sport Trac. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Ford Explorer Sport Trac based on all problems reported for the 2004 Explorer Sport Trac.
2004 Ford sport trac XLT gas efi 4. 0 harmonic balancer failure with less than 100,000 miles.
- the contact stated that while pulling the 2004 Ford explorer sport trak withn 30000 failure mileage into the driveway the contact put the vehicle into park and began to hear a tapping from the front of the engine. The vehicle was taken to a dealer, who determined that the valve spring was worn. The vehicle has not been repaired. The current mileage was 33000.