The contact owns a 2023 Lexus NX 250. The contact stated that while driving at various highway speeds, the vehicle suddenly decelerated. During the failure, there was no warning light illuminated or messages displayed. The cause of the failure was not yet determined. The local dealer was notified of the failure. The manufacturer was not yet contacted. The failure mileage was 14,000.
Engine & cooling
Lexus NX 350 Engine problems by year
2 complaints filed with NHTSA about the Lexus NX 350's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
| Year | Engine complaints | Crashes | Injuries | Recalls |
|---|---|---|---|---|
| 2023 | 2 | 0 | 0 | 0 |
Latest NX 350 engine complaints
Vehicle is built so that water from hand-washing/rinsing gets under the hood and into a computer causing electrical issues and causing the car to not start. The dealership put a foam/rubber trim around the hood to prevent water from getting in but this won't last forever and, when they tested the other cars of the same model on the lot, they confirmed it happened with those cars also. The manufacturer's statement was that the owner's manual says you are not supposed to hand wash it. This is ridiculous. The...
Read the full complaint
owner's manual says you can't pressure wash the engine compartment - which noone did. This was caused during a routine wash at the car wash. It is unlikely anyone would buy a car if they were told they couldn't take it to a car wash. But the concern is that it happened twice and the fix will be temporary. Both times this occurred, the car was parked. The first time, there were electrical issues. The second time, the car refused to start after it was shut off.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data