TURBOCHARGER REPLACEMENT PROCEDURE APPLIED ENGINES: VR30DDTT IF YOU CONFIRM One or both turbochargers require replacement. ACTION 1. Replace the affected turbocharger(s). Refer to the SERVICE PROCEDURE in this bulletin for the updated procedure. IMPORTANT: You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. 2. Refer to step 212 in the SERVICE PROCEDURE to confirm if the ECM needs to be reprogrammed. 2016-2024 Q50 and 2017-2021 Q60 will require ECM reprogramming at the end of this SERVICE PROCEDURE. 3. If the ECM part number is in Table A (page 61 and 63), reprogram the ECM. IMPORTANT: The purpose of ACT
full bulletin at NHTSA ↗2019 INFINITI Q50 engine problems
moderate Owners of the 2019 INFINITI Q50 have filed 7 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Complaints
7
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2016 Q50 | 7 |
| 2017 Q50 | 9 |
| 2018 Q50 | 11 |
| 2019 Q50 (this page) | 7 |
When does it fail?
Of the 7 engine complaints filed for the 2019 INFINITI Q50, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Engine accounts for 23% of all owner complaints filed against this vehicle, across 4 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗ISS Reprogram Voluntary Emission Recall Campaign REVISED June 14, 2023 Please discard earlier versions of this bulletin. The announcement from June 10, 2023 has been revised to include the following: ï INFINITI has expanded the investigation of a potential issue with the repair remedy to include model years 2018-2019 Q50 and Q60 vehicles. ï Repairs on all vehicles are temporarily suspended while INFINITI investigates the remedy. ï As a result, all vehicles affected by this campaign will be temporarily deactivated in Service Comm and National Service History. ï An update will be provided at a later date ï If there are claim processing concerns, email the FQA mailbox: FQA_Inspection_
full bulletin at NHTSA ↗ISS Reprogram Voluntary Emission Recall Campaign REVISED June 10, 2023 Please discard earlier versions of this bulletin. The announcement from May 5, 2023 has been revised to include the following: ⢠INFINITI is investigating a potential issue with the repair remedy for model years 2016-2017 Q50 and Q60 vehicles. ï As a result, these affected vehicles will be temporarily deactivated in Service Comm and National Service History. Repairs on these vehicles are temporarily suspended while INFINITI investigates the remedy. ï An update will be provided at a later date ï If there are claim processing concerns, email the FQA mailbox: FQA_Inspection_Support@nissan-usa.com
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
The contact owns a 2019 Infiniti Q50. The contact stated while driving at an undisclosed speed, the engine misfired, and the contact became aware of smoke coming from the engine compartment. The check engine and battery warning lights were illuminated. The contact was able to pull the vehicle over to the side of the road. The contact stated while the vehicle was parked and turned off, there was…
While driving, my vehicle suddenly shut off without warning. After restarting, the vehicle would not accelerate over 40 miles per hour. I had the vehicle inspected by the dealership, and they informed me that the engine oil filter contained metal debris. The dealership explained that the presence of metallic particles in the filter could indicate internal engine wear or damage, and they…
The contact owns a 2019 Infiniti Q50. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated, with an abnormal knocking sound coming from the vehicle. The vehicle was turned off; however, while attempting to restart the vehicle, the abnormal knocking sound persisted. The vehicle was towed to the dealer, where it was diagnosed with engine and…
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 dealership/mechanic reported possible internal engine damage and metal shavings in the oil,…
Catastrophic engine failure. Metal debris in the oil. Manufacturer defect.
Had engine trouble with your 2019 INFINITI Q50?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2019 INFINITI Q50?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 7 complaints filed, engine issues most often appear around 69,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2019/INFINITI/Q50.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.