2004 Cadillac Seville SLS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Cadillac Seville SLS

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2004 Cadillac Seville SLS Problems

Check Engine Light on Due to Failure of Secondary Air Injection Pump

Water may be drawn into the secondary air injection (AIR) pump causing the pump to fail and the Check Engine Light to illuminate. Our technicians tell us there is a kit available from General Motors to relocate the air intake for the pump which should prevent future damage from water intrusion.

Stalling Due to Failed Crankshaft Position Sensor

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

Check Engine Light Due to Gas Cap Issue

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

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