Question about 2005 Jeep Liberty

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My 2005 Jeep Liberty v6 3.7L 4x2 (Basic base model) check engine light came on and my car mileage is 90,100 miles but I did not pay attention if it came on at 90k. My gas cap also was lost a few days ago but again did not pay attention if that caused the engine light. I went to autozone and bought a locking gas cap (stunt I think was the name). I replaced it and light still on. I was just wondering what else should I consider with this check engine light that just came on.

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Give the computer a day or two to recognize the new gas cap and turn off the light. If it doesn't go off, your best bet is to visit a parts store and have them scan the computer for you to determine the cause of the light. Auto Zone and several other parts stores will run the scan at no cost.

Posted on Oct 07, 2010

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Gas cap is the most likely cause. For more info you may consider registering for free at autozone.com The registration gives you access to dozens of free manuals which are very helpful.
Note that I am not affiliated with autozone, but pass this along as useful information.

Posted on Oct 07, 2010

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