Chances are your uncle is correct and there was just a build up of oil on the intake. However, it the check engine light came on, I would have the computer scanned to determine what caused it to come on.
As far as the key, by letting it on for 20 minutes, you bypassed the security system. All I can say is that if the secrity light is on, the only place that will have the proper equipment to test it would be a dealer. It could be something as simple as the sensor in the key is bad, but they need to check that.
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Wednesday, April 7th, 2010 AT 1:13 PM