Pontiac used engines can experience common problems like oil leaks, overheating, worn gaskets, timing chain failures, and excessive oil consumption due to age and mileage. Regular maintenance, timely gasket replacement, cooling system servicing, and using high-quality engine oil can help prevent major damage. Inspecting service history, mileage, and performing compression tests before... https://sites.google.com/view/pontiacenginesforsale/home