Infiniti QX50 Engine Problems
Owners have filed 105 complaints with NHTSA about engine problems on the Infiniti QX50 across 10 model years. The 2019 model year has the most (57). The words owners use most often: “oil pan” (14% of reports).
- 105engine complaints
- —median miles at failure
- 4mention a crash
- 2mention an injury
- 1related recalls
- 55%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Oil pan: mentioned in 15 of 105 complaints (14%)
- Metal shavings: mentioned in 10 of 105 complaints (10%)
- Engine bearing: mentioned in 7 of 105 complaints (7%)
- Serious safety: mentioned in 6 of 105 complaints (6%)
At what mileage do engine problems happen?
Based on 16 complaints that reported the odometer reading.
How serious are the reports?
Of 105 complaints, 4 mention a crash, 4 a fire, 2 an injury.
Infiniti QX50 engine complaints by model year
When owners reported it
Related recalls (1)
Engine and engine cooling:engine:hard parts internal/mechanical
Model years: 2019, 2020, 2021, 2022
Problem: Nissan North America, Inc. (Nissan) is recalling certain 2021-2024 Rogue, 2019-2020 Altima, 2019-2022 Infiniti QX50, and 2022 Infiniti QX55 vehicles equipped with 3-cylinder 1.5L or 4-cylinder 2.0L variable compression turbo (VC-Turbo) engines. The engine bearings may have manufacturing defects that can lead to engine failure.
Risk: Engine failure increases the risk of a crash. A bearing failure may cause a breach in the engine block, allowing hot oil to be discharged, increasing the risk of an engine fire.
Fix: Dealers will reprogram the engine control module (ECM) software, free of charge. Owner letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261 or Infiniti's customer service at 1-800-662-6200. Nissan's numbers for this recall are R25A8/A9 and R25B1/B2.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
On October 11, 2026, while driving my 2019 Infiniti QX50, I experienced a sudden loss of engine power. The check-engine light began flashing, the engine started shaking and making a knocking noise, and the vehicle would not accelerate beyond approximately 20 mph despite pressing the accelerator…
While driving my 2019 Infiniti QX50, the engine suddenly lost significant power and entered failsafe (limp) mode due to a diagnosed VCR actuator fault (diagnostic codes P11A8-00 and P11AC-00). The sudden power loss caused a single-vehicle accident. No injuries. The vehicle had recall 25V437 service…
While driving my 2019 Infiniti QX50, the engine suddenly lost significant power and entered failsafe (limp) mode due to a diagnosed VCR actuator fault (diagnostic codes P11A8-00 and P11AC-00). The sudden power loss caused a single-vehicle accident. No injuries. The vehicle had recall 25V437 service…
We received the federal recall information and took the vehicle to the nearest Infiniti dealer (96 miles away) on 9/2/26. Diagnostics were performed and were told that the car "passed" the inspection. Two days later, the engine demonstrated complete failure. We had to have the vehicle towed to a…
The contact owns a 2020 Infiniti QX50. The contact stated that while driving 75 MPH, the check engine warning light illuminated, and the RPM became elevated. The vehicle was taken to the dealer, where an unknown recall repair was performed. The contact stated that the engine was replaced. The…
Frequently asked questions
Do all Infiniti QX50s have engine problems?
No. NHTSA has 105 owner complaints about engine for the Infiniti QX50. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Infiniti QX50 engine?
Yes: 1 safety recall list engine. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
What do owners say about engine problems on the Infiniti QX50?
The most frequent phrase is “oil pan”, in 15 of 105 complaints, followed by “metal shavings” (10).
See all Infiniti QX50 problems.