Two problems related to check engine light on have been reported for the 2003 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Highlander based on all problems reported for the 2003 Highlander.
The contact owns a 2003 Toyota Highlander. While driving approximately 55 mph the check engine, asc, and traction control lights began illuminating on the dashboard. The vehicle began to lose control and the wheels would spin uncontrollably while accelerating. The vehicle was taken to an independent repair shop where they were unable to diagnose the failure because the check engine light was no longer illuminated. The failure recurred and the vehicle was taken to an authorized dealer where the contact was told that the oxygen sensors failed. The oxygen sensors were replaced. The failure continued to recur intermittently. After each failure the oxygen sensors were replaced again. The failure mileage was 40,000 and the current mileage was 55,000.
The contact owns a 2003 Toyota Highlander. While driving at an unknown speed, the check engine light illuminated. Two to three months later, the contact received a recall notice regarding the engine. Toyota repaired the vehicle. The current mileage was 50,000 and failure mileage was 40,000.