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moderate Owners of the 2018 Kia Stinger have filed 5 NHTSA complaints about the fuel system at roughly $1,200 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See fuel system across all vehicles →
Of the 5 fuel system complaints filed for the 2018 Kia Stinger, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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.
A loss of drive power can increase the risk of a crash.
The manufacturer has issued service bulletins covering fuel system 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.
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA 2.0L T-GDI ECM SOFTWARE LOGIC IMPROVEMENT (SC279) - This bulletin provides information to upgrade the software logic of the engine control module (ECM) with an improved version on 2018-2021MY Stinger (CK) vehicles equipped with a Theta 2.0L T-GDI ULEV engine manufactured from September 29, 2017 through January 20, 2021. The subject vehicles may have engine calibrations that were not optimized for emissions standards under certain specific conditions, which may cause the vehicle to release air pollutants which exceed Federal and California standards (such as NMOG (Non-Methane Organic Gas) and CO (Carbon Monoxide) during IUVP (In-Use Verification Pro
full bulletin at NHTSA ↗VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign on certain 2018-2021 MY Kia Stinger vehicles equipped with 2.0L Turbo GDI engines manufactured from September 29, 2017 to January 20, 2021 to improve the emissions logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations. This condition may cause the vehicle to release air pollutants that exceed Federal and California standards.
full bulletin at NHTSA ↗SC279_POC: PROOF OF CORRECTION CARD
full bulletin at NHTSA ↗TSB: SPECIAL SERVICE INFORMATION & SPECIFICATIONS FOR GDI HIGH PRESSURE FUEL SYSTEM - This bulletin has been revised to include additional information. This bulletin provides information relating to all Kia vehicles equipped with Gasoline Direct Injection (GDI) engines. In these engines highly pressurized gasoline is injected via a common fuel rail and injectors that deliver fuel directly into the combustion chamber of each cylinder. In comparison, in a conventional Multi-Point Fuel Injection (MPI) engine, the gasoline is injected into the intake port of each cylinder at a relatively low pressure. Due to high fuel pressure in a GDI system, servicing the GDI system requires special attention
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The contact owns a 2018 Kia Stinger. The contact received notification of NHTSA Campaign Number: 23V634000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated while driving 75 MPH and depressing the accelerator pedal, the vehicle lost motive power inadvertently. There was no warning light illuminated. The contact was able to veer to the…
The contact owns a 2018 Kia Stinger. The contact received notification of NHTSA Campaign Number: 23V634000 (Fuel System, Gasoline) however, the part to do the recall repair was not yet available. The contact stated while driving 45-50 MPH downhill and depressing the accelerator pedal, the vehicle failed to respond. Additionally, the contact stated that while driving uphill, the vehicle…
The contact owns a 2018 Kia Stinger. The contact stated that while driving at an undisclosed speed, the vehicle briefly shuddered and displayed a "Service Vehicle Now" message. The contact smelled a gasoline odor in the interior of the vehicle. The check engine warning light was illuminated. The vehicle was taken to the dealer, who determined that the contact might have fueled the vehicle with…
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.
Based on the 5 complaints filed, fuel system issues most often appear around 73,720 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.
Independent shops typically charge around $1,200 for fuel system 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.
Yes — 1 active recall(s) cover fuel system issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.