Where is the oil filter on a 1991 Nissan Sentra?

In a 1991 Nissan Sentra, the oil filter is located on the engine block, typically on the driver's side towards the front. It's positioned below the intake manifold, making it somewhat accessible from underneath the vehicle. To change the oil filter, you may need to use an oil filter wrench for better leverage. Always ensure to have a drain pan ready to catch any oil that may spill during the removal process.