Westgate Chrysler Jeep Dodge Ram

Westgate Chrysler sold me a vehicle that had it's check engine light reset to hide issues 244 miles before I purchased it from them. 1 week after purchase it overheated and needed a $3k+ repair. The warranty company that Westgate Chrysler sold me the warranty from investigated for 3 weeks and denied my claim. They found the vehicles check engine light was reset 244 miles before my purchase and the same code reappeared needing fixed. Westgate Chrysler management has refused to talk to me, but told their salesperson to tell me it was sold "as is" and they don't have to stand behind the used cars they sell because NC doesn't have a lemon law for used cars. They were proud to say it's not their problem once you buy from them.