Lemon law for used cars

I bought a used 1999 Dodge Ram 1500 still under factory warranty. I also purched an extended warranty. While still under factory warranty, the truck developed a miss. The dealership attempted to fix the problem 3 times. The miss only got worse each time. The truck has spent more time at the dealership than I have drove it. What are the lemon laws for used cars, and if there aren't any, do I have a recourse?

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You might find this helpful -

[url]http://autopedia.com/html/LemonLaw/NY_lemonlaw2.html[/url]

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What is the Lemon Law for the state of Tennessee? I forgot to tell you my state