The Best Will Carmax Buy A Car With A Check Engine Light References. Carmax purchases all makes and models, in all. Carmax will almost never care to fix an car older than 10 years or any car that has modifications to it.

By and large, it is an unethical practice and, for dealerships, it is illegal. Carmax will also reportedly accept cars that have that “check engine light” on them. I had it checked out and the repairs were going to cost approx.





