2010 Cadillac CTS-V Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2010 Cadillac CTS-V
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2010 Cadillac CTS-V Problems
A Loose or worn gas cap may cause Check Engine Light to illuminate.
One or both secondary air injection check valves may become restricted causing poor air flow resulting in illumination of the Check Engine Light. It is often recommend to replace both check valves even if a fault code is set for only one bank of cylinders. Replacing only one valve may result in a return trip to the repair shop.