Where do you put oil into 1997 Ford E350?

To add oil to a 1997 Ford E350, locate the oil filler cap on the top of the engine, which is typically marked with an oil can symbol. Unscrew the cap and use a funnel to pour in the appropriate type and amount of engine oil, checking the dipstick for the correct level. After adding oil, replace the cap securely and run the engine briefly to ensure proper circulation. Always check the owner's manual for specific oil capacity and specifications.