Question about 2007 Chevrolet Avalanche LTZ

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I have a 2007 Avalanche and the check engine light just came on. Is it possible to display the malfunction codes in the instrument panel in the truck (like in my 2003 Corvette)? Also, would an extra quart of oil in the engine be a possible cause for this light?

Posted by tindrroni on

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Richard Hale

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If it is equipped with the code reader, you can. You just need to know the code to do it. It could be in the owner manual or you may be able to get the code from the dealership. More then likely, the oil didn't set it off. The light comes on because the computer detected a problem. Take it to Autozone and they can read it for free. I honestly don't know if the 07 is equipped with the code instrument. I thought it was, but not sure. If you can't find it, just go to Autozone, unless you can get a code scanner. If you have another question, please let me know. I am here to help.

Posted on Feb 18, 2011

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