Engine serial number
Nissan Sentra / Nissan Sentra Owners Manual / Technical and consumer information / Vehicle identification / Engine serial number

MR20DE

QR25DE
The number is stamped on the engine as shown.
See also:
Storage box (if so equipped)
...
Indicator lights
All-Wheel Drive (AWD) LOCK indicator light (AWD model)
This light illuminates when the ignition switch is
turned to the ON position, and turns off within 1
second.
When selecting the LOCK mode ...
NISSAN dealer.
However, now and then you may notice
light spark knock for a short time while
accelerating or driving up hills. This is not a
cause for concern, because you get the
greatest fuel benefit when ther ...
