Engine serial number

MR20DE

QR25DE
The number is stamped on the engine as shown.
See also:
Useful tips for correct operation
You can display useful speaking tips to help the
system recognize your voice commands correctly.
1. Select “Help on Speaking”.
2. You can confirm the page by scrolling the
screen. ...
Checking engine oil level
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature.
3. Turn off the engine. Wait more than 10
minu ...
Fourth generation
The fourth generation Altima was announced at the 2006 New York Auto Show on
April 12, 2006. It is the first vehicle to use the smaller Nissan D platform,
with a new front and upgraded rear suspen ...
