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2004 cadillac deville po410 code air pump runs like it should what should i check next

Vehicle: 2004, cadillac, deville, 4.6

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Hi there,

Here is a list of possible causes for this code.

P0410 CADILLAC - Secondary Air Injection System Malfunction

Read more: https://www.autocodes.com/p0410_cadillac.html

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