2004 Scion xB Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 2004 Scion xB
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2004 Scion xB ProblemsCheck Engine Light Due to Defective VVT-i Controller
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.
When backing up and applying the brakes, you may hear a squeaking noise. Scion engineers addressed this problem by modifying the shape of the brake pad and the anti-squeal shims; they also applied more grease during assembly.
2004 Scion xB QuestionsHow do I fix a rough idol when stopped. (1 answer)
When stopped and brakes are on the RPS drop below 500
2004 Scion xB RecallsCertain Cruise Controls May Not Deactivate Properly
Certain Scion vehicles sold from Gulf States Toyota and Southeast Toyota with Rostra cruise control may have a problem where the cruise control does not release the throttle the first time the on/off switch is pressed. If the throttle is not released when needed, a crash could occur. The vehicle manufacturers will notify owners and replace the cruise control free of charge. Rostra will notify purchasers of the aftermarket cruise controls and replace the units free of charge. The recall began February 13, 2007.