2018 Hyundai Sonata Fuel System Problems
NHTSA lists 33 Fuel System complaints for the 2018 Hyundai Sonata, 9% of that year's 373 total complaints. Median mileage at failure is 92,000 miles. No related recalls are listed for this fuel system category.
- Fuel System complaints
- 33
- 9% of 373
- Crashes reported
- 0
- Fires reported
- 1
- Injuries reported
- 0
- Median mileage
- 92,000 mi
- Related recalls
- 0
Typical fuel system symptoms owners report
- Owners describe hesitation and a flat spot when pressing the accelerator, with the engine falling flat before it picks up power.
- Some report the engine taking about 10-15 seconds to start after pushing the start button, followed by jolting or stalling while driving.
- Several owners describe the fuel pump failing, with the car stalling once the tank drops to around half full.
- A recurring complaint is excessive oil consumption, with owners needing to top off oil between changes and noting the engine smoking under the hood.
When 2018 Hyundai Sonata fuel system complaints were filed
First complaint Jul 2, 2018, latest Sep 4, 2026.
Fuel System recalls for the 2018 Hyundai Sonata
No safety recalls on record for this model year.
Fuel System complaints by Sonata model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are fuel system complaints for the 2018 Hyundai Sonata?
- NHTSA has logged 33 Fuel System complaints for the 2018 Sonata, which is 9% of the 373 total complaints filed for that model year.
- Is there a recall for the 2018 Hyundai Sonata fuel system?
- No related recalls are listed in NHTSA data for this fuel system complaint category on the 2018 Sonata.
- At what mileage do fuel system problems tend to show up?
- The median mileage at failure reported to NHTSA for this category is 92,000 miles.
- Did any fuel system complaints involve fires or crashes?
- NHTSA data shows 1 fire and 0 crashes among the complaints tied to the 2018 Sonata, with 0 injuries reported.