Cadillac DeVille DTS Problem Report

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

(10 reports)

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.

mil light on with the po410 code will have to replace the air pump with upgraded part -
getting a new pump -
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