2018 Infiniti Q50 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 5%of 44 total for the year
- Median mileage
- 97,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2018 Infiniti Q50, 5% of the 44 complaints for this model year. Where a mileage was given, the median is 97,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2018 Infiniti Q50. The contact stated that while driving at an undisclosed speed, the Low Oil Pressure - STOP , message was displayed, and the contact stopped driving the vehicle. The contact stated that while starting the vehicle, the engine was abnormally loud. The contact stated that the low oil pressure warning light was illuminated. The vehicle was towed to an independent mechanic, who diagnosed a failure with the timing chain. The vehicle was not repaired. …”
NHTSA complaint #11638873, filed 2025-01, 107,000 miles“The contact's son owns a 2018 Infiniti Q50. The contact stated that soon after purchasing the vehicle, there was an abnormal screeching sound coming from the brakes while depressing the brake pedal. There was no warning light illuminated. The contact's son took the vehicle to an independent mechanic to have the brake pads and rotors replaced. However, less than one month after the replacement of the pads and rotors, there was an abnormal grinding sound coming from the front passenger’s side brakes. …”
NHTSA complaint #11693654, filed 2025-10, 88,000 milesRelated service bulletins
- 10246431Nov 6, 2023TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 10246428Nov 6, 2023MIL ON WITH DTC(S) STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 10242041Aug 4, 2023TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 10239069Jun 14, 2023ISS 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…
- 10239068Jun 10, 2023ISS 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…
- 10237598May 5, 2023Daimler ISS Reprogram Voluntary Emission Recall Campaign ***** Campaign Summary ***** INFINITI is conducting a Voluntary Emissions Recall Campaign on certain MY2016-2019 INFINITI…
- 10237560May 4, 2023VOLUNTARY EMISSIONS RECALL CAMPAIGN 2016-2019 Q50/Q60; ENGINE CONTROL MODULE INTRODUCTION Infiniti is conducting this voluntary emissions recall campaign on certain specific…
- 10231087Jan 18, 2023MIL ON WITH DTC P0101 AND/OR P010B STORED IN THE ECM SERVICE INFORMATION If the MIL is ON and DTC P0101 (MAF SEN/CIRCUIT-B1) and/or DTC P010B (MAF SEN/CIRCUIT-B2) is stored in…
- 10229603Dec 9, 2022TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 10227249Nov 14, 2022TURBOCHARGER REPLACEMENT PROCEDURE SERVICE INFORMATION If either one or both turbochargers require replacement, refer to the SERVICE PROCEDURE in this bulletin for the updated…
Engine cooling: other model years
Other parts of the 2018 Infiniti Q50
17 complaintsAir bags
9 complaintsElectrical system
6 complaintsFuel system
6 complaintsOther or unknown
6 complaintsBack-over prevention (rear camera)
3 complaintsBrakes
3 complaintsTransmission and drivetrain
3 complaintsWheels
3 complaintsVehicle speed control
2 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2018 Infiniti Q50
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology