There are 2 stored owner reports matching the engine leading-label group for the 2021 Lexus NX 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)1. What component or system failed or malfunctioned, and is it available for inspection upon request? The high-pressure fuel pump and related fuel system sensor failed, resulting in a sudden loss of engine power. The failure was confirmed by diagnostic trouble codes retrieved by an independent mechanic. The vehicle is available for inspection upon request. 2. How was your safety or the safety of others put at risk? While driving at highway speeds, the vehicle suddenly lost power and became inoperable, leaving me unable to accelerate or maintain speed. This created a dangerous situation with surrounding traffic, including a truck traveling behind me, increasing the risk of a rear-end collision or crash. 3. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. An independent mechanic retrieved diagnostic trouble codes indicating failure of the high-pressure fuel pump and related sensor. A dealership acknowledged the issue but was unable to reproduce the problem at the time of inspection because the codes had cleared. 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? The vehicle was inspected by an authorized dealership after being towed. No police or insurance inspections were conducted. 5. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? There were no significant warning signs prior to the sudden loss of power. The failure occurred unexpectedly while driving. Diagnostic codes were retrieved immediately after the incident but were no longer present during the dealership inspection.
The contact owns a 2021 Lexus NX300. The contact stated that while driving at various speeds, the vehicle slowly lost automotive power and decelerated. The contact pulled over to the shoulder of the roadway and restarted the vehicle to continue driving normally. The contact stated that the check engine, traction control, and Service Soon warning lights remained illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was informed that the fuel pump was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 40,000.
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.