The contact owns a 2017 Genesis G90. The contact stated that while driving at an undisclosed speed, there was smoke coming from underneath the hood. The oil warning light intermittently illuminated. The vehicle was taken to an independent mechanic, who determined that the engine was leaking oil and advised the contact to take the vehicle to the dealer. The vehicle was then taken to the dealer, whe…
2017 Genesis G90 engine problems
moderate 7 complaints filed with NHTSA · avg repair $3,100
Complaints
7
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 7 most recent
The check engine light keeps coming on. We had spark plugs changed and still keeps miss firing. We are unable to switch between drive modes smoothly. We have taken in for service numerous times.
I have replaced my thermostat four times in the last 18 months and I had it towed to the dealership again this morning for the same overheating problems.
* Recall Campaign Number : [018G, 019G] I. Statement of Complaint This complaint concerns a failure in a critical safety-related component that was previously addressed under a mandatory manufacturer recall, and the subsequent refusal by the authorized dealership to provide a second no-charge repair for the same repeated failure. II. Chronology of Events * Original Recall Repair: Approximately t…
See attached document for complaint.
The contact owns a 2017 Genesis G90. The contact stated that while driving at 50 MPH, the check engine warning light illuminated. The driver immediately pulled over. The vehicle was towed to the local dealer, where it was diagnosed, and it was determined that four crankshaft position sensors and the valve cover gasket needed to be replaced. The vehicle was repaired, but the failure recurred. The c…
The contact owns a 2017 Genesis G90. The contact stated that while the vehicle was parked and running, the vehicle was idling rough and shaking. The vehicle restarted; however, the shaking failure recurred. The vehicle was not repaired. The contact received notification of NHTSA Campaign Numbers: 24V107000 (Electrical System) and 24V191000 (Engine and Engine Cooling) however, the parts to do the r…
Common questions
How serious is the engine problem on the 2017 Genesis G90?
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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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