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.
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Most reported Scion xB problems
Air conditioning that doesn't blow cold enough could indicate the need for adjusting the cable for the temperature blend door.
Vehicles fitted with remote start may encounter a dead battery after sitting for a few days. This can be due to a parasitic draw caused by the remote start computer. Our technicians remind us proper diagnostic procedures should be followed before replacing the remote start module with an updated part.