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The OBD2 code reader will not work and the orange check engine light is on.

(2004 Lincoln Navigator)
in Lawrenceville, GA on March 10, 2013
I tried two different readers. Navigator runs great. Drove on a 6 hour road trip and no problems. Is it a fuse?
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Popular Answer
on March 10, 2013
possible blown fuse, yes.
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