2004 Scion xB Problems
RepairPal has identified the most common problems with the 2004 Scion xB based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
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.
Air conditioning that doesn't blow cold enough could indicate the need for adjusting the cable for the temperature blend door.