2006 Chevy Colorado Check Engine Light?

Aaron Scarbro

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Dec 20, 2010
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I have a 06 Colorado and the check engine light is on and I have took it to advance auto and they hooked it up and it said there was nothing wrong with it but the light was still on. I had them hook it up again and it said the same thing. The truck is running fine but I'm curious to y this light is on
 
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