ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗2022 INFINITI QX55 engine problems
moderate Owners of the 2022 INFINITI QX55 have filed 5 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
5
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 5 engine complaints filed for the 2022 INFINITI QX55, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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.
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.
MIL ON WITH DTC P0448 STORED IN THE ECM IF YOU CONFIRM The MIL is ON with DTC P0448 (VENT CONTROL VALVE) stored in the ECM. ACTION See Repair Overview on page 2 for diagnostic procedure.
full bulletin at NHTSA ↗ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗MIL ON WITH DTC P11A7 STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
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 ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
We’ve taken the vehicle to two different Infiniti dealerships (Sewell and Crest) multiple times due to engine rattling, vibration noises, and propulsion issues. Unfortunately, we haven’t received any resolution or fix for these problems. We tried to upload a video with sound as reference but the platform doesn’t allow us to. We experienced similar issue that resulted in total engine failure on…
I have received email from my car dealer Grubbs Infiniti in Grapevine, TX. The email was regarding a recall for potential engine issues. I called my dealer and scheduled an inspection. When I sent my vehicle for inspection the dealer replaced my engine with a new engine without my consent. After the engine replacement I’ve received my vehicle back and I’ve been having issues where my vehicle…
The contact owned a 2022 Infinity QX55. The contact stated that while starting the vehicle in the garage, the contact noticed white smoke coming out of the exhaust pipes. The contact stated that while driving 40 MPH, the white smoke increased significantly. There was no warning light illuminated. The contact returned to the residence. The contact stated that while driving to the dealer, the…
The contact owns a 2022 Infiniti QX55. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed, and there was an abnormal sound coming from the vehicle. The vehicle hesitated, and the ECM fault code was displayed. The vehicle was taken to the dealer, where it was diagnosed with VCT actuator failure. The contact was informed that the VCT actuator needed to be…
The contact owns a 2022 Infiniti QX55. The contact stated that while driving at an undisclosed speed, the vehicle unexpectedly stalled with the check engine warning light illuminated. The vehicle was able to be restarted. The contact stated that while the vehicle was parked and running, there was white smoke coming from the exhaust. The vehicle was taken to the dealer, where it was determined…
Had engine trouble with your 2022 INFINITI QX55?
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 2022 INFINITI QX55?
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 80,000 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.
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/2022/INFINITI/QX55.
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.