An illuminated Check Engine Light could be caused by a defective VVT-i controller, which changes cam timing for optimal power. Updated parts are available and the repair may be covered under the powertrain warranty.
Car problem reports
Problem with your car? See what our experts say or submit your own.
Most reported 2005 Scion xB problems
Air conditioning that doesn't blow cold enough could indicate the need for adjusting the cable for the temperature blend door.