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Tagcatalytic converter

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The check engine light on a dashboard is illuminated.

Is Your Check Engine Light On? Here Are 5 Common Culprits

As a driver, there’s no greater frustration than seeing your check engine light on for no obvious reason — or after you’ve already repaired what you thought was the issue. The real problem is that the check engine light is so ambiguous. Here are five of the most common problems that can illuminate your check engine light…