Is there a time period for returning a used car bought from dealer?

Is there something wrong with the car? Every State differs http://www.carlemon.com but every State does have a Lemon Law Location Lemon Law Coverage Repair Interval and Coverage Period All States Consumers everywhere are protected by the Federal Lemon Law which applies to all consumer products, including automoblile, trucks, motorcycles, RVs, boats, and all other ordinary consumer products including computers and household appliances. 3 to 4 repairs for the same problem, or 6 to 8 repairs to the entire product during the warranty period. Warranty period + up to 4 additional years.