Infiniti Qx50 Engine Problems
143 owner complaints filed with NHTSA across 11 model years.
Complaints by Year
Worst year: 2019. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
On June 16, 2026, a 2021 Infiniti QX50 experienced a safety-related malfunction while being driven at approximately 15–20 mph. The vehicle suddenly jerked, lost power response, displayed multiple warning lights, showed a “System Faul...
The contact owns a 2019 Infiniti QX50. While the contact's son was driving at an undisclosed speed, the engine seized with several unknown warning lights illuminated. The contact stated there was smoke and fire coming from the engine com...
so after my initial report about my engine catching fire on the highway, I received an invoice for $5,000 for a used engine with 80k miles on it; plus another $2800 for the service fee. I already put down about $3900 for the engine repai...
The engine blew up on the expressway. And this has happened for many other qx50 drivers.
There are 2 check engine codes that came up as an issue for my vehicle, out of the blue: P0720 and P0500. I reached out to my mechanic and he couldn't fix it. So my plan was to take it to the dealership at the end of this month; however,...
WHILE DRIVING, THE VEHICLE WILL DECLINE IN ACCELERATION AND YOU CAN NOT INCREASE ACCELERATION. WHEN TURNING THE VEHICLE OFF, THE CAR WILL PROCEED AT A SLOW PACE. INFINITI DEALER TOLD ME THAT I NEEDED TO LET THE CAR WARM UP FOR 30 MINUTES...
TL* THE CONTACT OWNS A 2014 INFINITI QX50. THE CONTACT PURCHASED THE VEHICLE FROM INFINITI OF ORLAND PARK (8751 W 159TH ST, ORLAND PARK, IL 60462), BUT WAS INFORMED THAT SHE COULD NOT TAKE OWNERSHIP BECAUSE IT NEEDED UNKNOWN RECALL REPAI...
The issue on the 2019 Infiniti QX50 it's not the motor that they had the recall on it's the VCR actuator it goes bad causes the bracket that's connected to rub against the side of the engine block causes it to have metal shavings and the...
Engine bearing failures, sudden loss of power, stalling, or complete engine failure — creating crash risks.
Open recall on Engine (NHTSA #25-V437) Engine has been replaced and recall repaired.
Recall on my 2019 infiniti qx50. I am a 100% service connected from the vietnam war I can no longer drive and because this is a critical safety recall I sent a email to infiniti asking for help in getting the vehicle towed repaired and r...
The contact owns a 2019 Infiniti QX50. The contact stated there was a grinding sound coming from the engine while driving at various speeds and while accelerating from a stop. There were no warning lights illuminated. The vehicle was tak...