ENGINE SUPPORT TOOLS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗2018 INFINITI QX60 engine problems
moderate Owners of the 2018 INFINITI QX60 have filed 5 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
| Model year | engine complaints |
|---|---|
| 2014 QX60 | 19 |
| 2015 QX60 | 10 |
| 2017 QX60 | 9 |
| 2018 QX60 (this page) | 5 |
| 2019 QX60 | 4 |
When does it fail?
Of the 5 engine complaints filed for the 2018 INFINITI QX60, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
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.
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.
ENGINE SUPPORT TOOLS SERVICE INFORMATION A new Engine Support Tool, Engine Support Bracket, and CVT Transmission Jack Adapter are now available to allow the CVT to be removed from the APPLIED VEHICLES without having to remove the engine. The procedure in this bulletin is different from the procedure currently in the ESM, which will be updated with this information at a later date. Please refer to the SERVICE PROCEDURE in this bulletin for information on how to use these new tools: ï· Front Wheel Drive (FWD) â pages 4 - 25 ï· All Wheel Drive (AWD) â pages 26 - 52
full bulletin at NHTSA ↗EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
The contact owns a 2018 Infiniti QX60. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that the timing chain had failed and needed to be replaced. The vehicle was not repaired. The contact related the failure to an unknown recall. The manufacturer was made aware of the failure, but no…
Common questions
How serious is the engine problem on the 2018 INFINITI QX60?
It's a documented issue but not catastrophic. 5 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 5 complaints filed, engine issues most often appear around 88,000 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.