I brought my truck in for service due to an Engine panel light being on. They correctly diagnosed the problem as a defective catalytic converter and referred me to a Ford Dealership since this was still covered under warrantee. I would not have know the warrantee coverage without Empey's help. The dealership tried to charge me nearly $1900 for the replacement, but I objected because I had been informed it was covered under warrantee. The checked and yes, it was covered. Thanks Empey's!