There are 3 stored owner reports matching the engine leading-label group for the 2021 Nissan Sentra in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)While driving down the highway along with other traffic the car went into limp mode and lost power instantly almost causing an accident. Come to find out the engine bearings caused the engine to go on it without any warning signs. This car has been maintenanced and taken care of and had the same issue happen that the other nissans have had that they have the recall out for.
alternator pulley broke off while driving.
My engine has been having problems since I have bought it. I’ve stated it many of times to the dealership and they just blew it off saying there was nothing wrong. To find out there’s a slude in my engine.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.