2019 Infiniti Q50: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 11 owner complaints for the 2019 Infiniti Q50 that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11749209 (filed 07/08/2026): “Early turbo failure should be extended to newer vehicles not only up to 2018. i am experiencing turbo failure and there is no extended warranty for this repair.…”
- NHTSA complaint ODI #11738654 (filed 05/18/2026): “Own a 2019 infiniti q50 3.0t sport with approximately 80,000 miles. the vehicle began experiencing engine knocking/ticking noises, rough idle, hesitation under acceleration, shaking, and intermittent misfire symptoms. the issue continued even after replacing spark plugs and ignition components. the…”
- NHTSA complaint ODI #11732566 (filed 04/20/2026): “While operating the vehicle under normal driving conditions, the engine experienced a significant loss of power and reduced acceleration. the issue is believed to be related to turbocharger failure within the engine system. the loss of power created a safety concern, particularly when attempting to…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .