When buying a used Daewoo engine, start by checking mileage to understand overall wear and expected lifespan. Second, review the service history to confirm regular oil changes and maintenance. Third, inspect compression levels to ensure internal components are functioning properly. Fourth, examine the cooling system condition to avoid overheating issues after installation. Finally, ve... https://moonautopartse.stck.me/story/1727165/5-Things-to-Watch-for-When-Buying-a-Used-Daewoo-Engine