we bought Ford Galaxy, from Canvey Trade Cars dealer on 16/10/2020. we paid almost a total of £5999 . The car has An Excessive smoke Found from burned engine oil. The Engine has Excessive smoke because it was worn, piston rings and seals also are worn, moreover, I am aware that this trade has used a substance called Engine Doctor and this only can be used with a vehicle to cover up any imperfectio