I brought car at webuy cars on gray sticker, within a month it was showing engine warning then I try claim to fix the issue on engine

I am not happy with webuycars ,their customer care and innovation warranty. Bought a platinum Ford within a month it had Engine warning lights. Took it to Rmi as they said and sent them a qoute and they declined it.while I paid for warranty which they said it covers Engine now I have to drive with a car showing Engine warning light. I can never recommend any 1 to buy from webuycars and their warranty .