Where are the spark plugs on a Nissan sentra 2012?

On a 2012 Nissan Sentra, the spark plugs are located under the engine cover, which you'll need to remove to access them. They are situated on the top of the engine, typically in a straight line along the engine block. Each spark plug is connected to a coil pack, which you'll also need to remove to replace the spark plugs. Make sure to consult the vehicle's manual for specific instructions and torque specifications.