2006 Cadillac Escalade EXT Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2006 Cadillac Escalade EXT

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2006 Cadillac Escalade EXT Problems

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Replace spark plugs every 100,000 miles

The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

Check Engine Light Due to Restricted Secondary Air Injection Check Valve

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.

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