2018 Infiniti QX30 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 4%of 25 total for the year
- Median mileage
- 52,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2018 Infiniti QX30, 4% of the 25 complaints for this model year. Where a mileage was given, the median is 52,000 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 QX30. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where the diagnostic trouble codes P052E71 and P053A-00 were retrieved. The mechanic determined that the crankcase ventilation system intake valve had failed. The mechanic also informed the contact that the vehicle was a Mercedes-Benz vehicle that the Infiniti manufacturer had rebranded as an Infiniti vehicle. The mechanic confirmed that the engine was a Mercedes-Benz engine. The dealer was notified of the failure. …”
NHTSA complaint #11632150, filed 2024-12, 52,000 milesRelated service bulletins
- 10208936Feb 7, 2022DTC 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…
- 10208932Feb 7, 2022EVAP 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.
- 10191928Apr 1, 2021MIL ON WITH DTC P062F AND/OR P0603 STORED IF YOU CONFIRM The MIL is ON and DTC P062F (EEPROM) and/or P0603 (ECM BACK UP/CIRCUIT) is stored, And The customer stated the vehicle…
- 10190187Mar 1, 2021INFINITI; 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…
- 10152991Jan 29, 2019INFINITI; 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…
- 10152989Jan 29, 2019ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See Amendment History on the last page. Please…
- 10117392Aug 21, 2017INFINITI; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. The APPLIED VEHICLES and CLAIMS INFORMATION sections have been revised. No…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 4% |
Other parts of the 2018 Infiniti QX30
10 complaintsAir bags
5 complaintsOther or unknown
5 complaintsSteering
5 complaintsEngine
4 complaintsBrakes
3 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBack-over prevention (rear camera)
1 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2018 Infiniti QX30
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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