Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock.” (“Spark knock” is a metallic rapping noise.) If severe, this can lead to engine damage. If you detect a persistent heavy spark knock even when using gasoline of the stated octane rating, or if you hear steady spark knock while holding a steady speed on level roads, have a NISSAN dealer correct the condition. Failure to correct the condition is misuse of the vehicle, for which NISSAN is not responsible.
Incorrect ignition timing may result in spark knock, after-run and/or overheating, which may cause excessive fuel consumption or engine damage. If any of the above symptoms are encountered, have your vehicle checked at a
See also:
Engine oil and oil filter recommendations
Selecting the correct oil
It is essential to choose the correct grade, quality
and viscosity engine oil to ensure satisfactory
engine life and performance. See Capacities
and recommended fuel ...
Emission control information label
The emission control information label is attached
to the underside of the hood as shown. ...
Affordable Features
The 2.0 SL is already one of the better-equipped trims in the Sentra lineup,
and our test car had some premium options, like leather upholstery and a
navigation system. These features are relative ...
