It sounds like it but so much more is needed to be known in order to tell for certain what your legal rights are. You should contact a Lemon Law attorney near you to find out. Be sure to show the attorney all your sales paperwork too when you explain the whole story. What is especially important in a private sale are the oral (or written) representations about the vehicle that are made in the selling process because those can amount to a legal warranty in some cases. Call your local attorney bar association and ask for a referral to a local Lemon Law attorney right away. You can also check online at this free (attorneys don't pay to get listed here) National List of Lemon Law Attorneys: http://www.ohiolemonlaw.com/locate-a-local-attorney.shtml. Remember that for every legal right you have, there is only a limited amount of time by which you must file a claim in court or you can lose your rights, so don't wait to find out what your lemon law or other consumer protection law rights may be.