Problem Reports » Check Engine Light on Due to Faulty Catalytic Conveter

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Cadillac DeVille DTS

 

Report: Check Engine Light on Due to Faulty Catalytic Conveter

Cadillac DeVille DTS Problem
8 Reports
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Model Years Affected: 2001, 2002, 2003, 2004, 2005

Average Mileage: 84,098 mi (58,495 mi - 130,000 mi)

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Failure of the catalytic converter can result in illumination of the Check Engine Light.

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  • Visitor, 2003 Cadillac DeVille DTS, 63,800 mi

    check enigine light stays on steady. Computer code showed inefficient catalytic converter. Expensive replacement.

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  • options28, 2002 Cadillac DeVille DTS, 58,495 mi
     Enthusiast

    Check engine light on, tech referred me to Cadillac as he claimed catalytic converter needed replacement. Dealer verified and replaced under warranty (8 years/80k miles).

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