Two problems related to check engine light on have been reported for the 2003 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota 4Runner based on all problems reported for the 2003 4Runner.
The check engine light came on and the vsc trac turned off, the day after the light came on and the traction turned off. . . The Toyota 2003 4runner flipped over. The vsc traction should not be turned off when a check engine light comes on because it provides the necessary stability of the vehicle that a SUV needs no matter what is wrong with the car. The car is now totalled and one passenger still suffering from injuries from the accident.
The contact owns a 2003 Toyota 4runner. The contact stated that when driving above 25 mph, the check engine light would illuminate on the instrument panel. The vehicle was taken to an authorized dealer where they were unable to diagnose the failure. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was 20,000 and the current mileage was 30,000.