Question about 2004 Chevrolet TrailBlazer

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The service engine light came on all i know the light just jumped on

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You need to have the codes read. You can go to the shop or some Auto Zone/ Advance Auto Parts stores will do it for free, get the codes then post them back here and then we can help.

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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