There are two basic air filters in your Nissan Sentra. The engine air filter is located in the engine bay and is used to filter out destructive particles that may cause damage to your vehicle's engine.
Where is the air filter on a Nissan Sentra?
https://www.youtube.com/watch?v=oYTQktEZ7Wo
What are the symptoms of a bad engine air filter?
- Air Filter Appears Dirty. ...
- Decreasing Gas Mileage. ...
- Your Engine Misses or Misfires. ...
- Strange Engine Noises. ...
- Check Engine Light Comes On. ...
- Reduction in Horsepower. ...
- Flames or Black Smoke from Exhaust Pipe. ...
- Strong Fuel Smell.