What can I do if a used car dealership sold me a car and lied about it not having frame damage?

You have a lousy case of fraud. You have it, but it is lousy. No way to further evaluate it without looking at all the papers you signed, but...

Do I have a Case?

You have no case. This is called "life."

How can I take a private owner to court for selling me a lemon car?

Of course he is ignoring. You bought the car, it is yours. There is no lemon law for used cars, there is no implied warranty of merchantability...

Can dealership take your car and your down payment?

Great case. Slam dunk violation of Section 2C of the Consumer Fraud Act, plus probably an ECOA violation, which allows you to file in fed. court. ...

What can I do legally, can I sue, since warranty never covers anything and repairs have cost more than truck?

Nope, I don't think it is a contract issue, it is more of a consumer fraud (yes, it applies to you!) and common law fraud issue. Your only option...

What do I ned to do?

Given that this is Nigeria, it's probably a scam.

Bought a used rebuilt title car off Ebay and all kinds off issues immediately after we received, what are our options?

Your options depend on what you are trying to accomplish. Is it to repair the car, or to unwind the transaction? Your chances for the former are...

Your statement of the problem is very very confusing, but, the best I can figure, you have an ECOA (Equal Credit Opportunity Act) issue (the...

In need of a consumer rights attorney

If it's out of warranty, you will have a difficult case. Assuming that the issue is not yet fixed/paid for, you might be able to revoke acceptance...

What can i do

Well, no details means no answer. Contact an employment lawyer.