1999 Hyundai Sonata Fuel system Problems
- Complaints
- 2about this part
- Share
- 2%of 124 total for the year
- Median mileage
- 69,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 1999 Hyundai Sonata, 2% of the 124 complaints for this model year. Where a mileage was given, the median is 69,500 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.
“Fuel leak and dealer found that fuel tank had imploded due to aftermarket gas gap not sealing properly. I bought a gas cap from auto track that manufactured by stant.”
NHTSA complaint #10049055, filed 2003-12, 69,500 miles“May 27, 1999: car was taken in due to low fuel light remaining on at all times. Sending unit was ordered. July 8, 1999: sending unit was replaced with new unit. Low fuel light continued to remain on at all times. Service department ordered another part (unsure of what this part was). July 22, 1999: returned car to service dept due to low fuel light remaining on at all times. Description of service on this date: board-prin, gauge assy. …”
NHTSA complaint #734506, filed 2000-10Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 2 | 12% |
| 2024 | 1 | 2% |
| 2023 | 44 | 50% |
| 2022 | 29 | 31% |
| 2021 | 34 | 25% |
| 2020 | 59 | 32% |
| 2019 | 12 | 7% |
| 2018 | 34 | 9% |
| 2017 | 33 | 4% |
| 2016 | 34 | 5% |
| 2015 | 86 | 7% |
| 2014 | 89 | 12% |
| 2013 | 211 | 11% |
| 2012 | 114 | 7% |
| 2011 | 133 | 4% |
| 2010 | 12 | 3% |
| 2009 | 23 | 5% |
| 2008 | 6 | 1% |
| 2007 | 9 | 1% |
| 2006 | 22 | 2% |
| 2005 | 5 | 3% |
| 2004 | 8 | 4% |
| 2003 | 18 | 9% |
| 2002 | 25 | 8% |
| 2001 | 6 | 3% |
| 2000 | 4 | 1% |
| 1999 | 2 | 2% |
| 1998 | 10 | 20% |
| 1997 | 17 | 35% |
| 1995 | 2 | 3% |
| 1990 | 1 | 6% |
Other parts of the 1999 Hyundai Sonata
36 complaintsAir bags
31 complaintsEngine cooling
23 complaintsSuspension
17 complaintsTransmission and drivetrain
14 complaintsElectrical system
11 complaintsBrakes
6 complaintsSeat belts
6 complaintsSteering
6 complaintsTires
6 complaintsOther or unknown
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaints
← All problems reported for the 1999 Hyundai Sonata
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