Other fuel system problem on the 2008 Hyundai Santa FE
When other fuel system problem gets reported
Owners of the 2008 Hyundai Santa FE report other fuel system problem at a median of 80,000 miles. A quarter of the reports come in before 62,500 miles and a quarter after 100,000 miles, from 72 reports that carried an odometer reading.
A part like this is normally expected to survive 90,000 miles. It is the 2nd most-reported problem on this model year.
The mileage distribution
The reported range runs from 45,000 miles at the tenth percentile to 120,000 miles at the ninetieth, a spread of 74,961 miles across the middle 80% of reports.
When the reports scatter this far, the mileage is telling you about how these cars were driven more than about the part itself.
10% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 45,039 miles | 61,750 miles | 80,000 miles | 100,742 miles | 120,000 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $300–$2,200 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
The same failure on other years
The same failure is reported on 20 model years of this car. It shows up earliest on the 2020, at a median of 1,700 miles, and latest on the 2007 at 90,000 miles.
By volume the 2008 is the worst of them, which makes this a problem of this specific year rather than of the model as a whole.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Shortly after purchasing our 2008 hyundai sante fe limited we began having a problem which still exist to this day. After filling with gas, the "check engine" light will come on and stay lit. The first several times of this event, I was truly concerned that I had an engine problem and returned to the dealer only to find out that the gas cap needed to be tightened further. I have tightened the cap at times so much so that I very nearly was unable to remove it.*tr
2008 hyundai santa fe accelerator sensor went bad while entering the interstate. The car only went 20 MPH. If I had been on the interstate, I could have been rear ended and caused a major pile up, or been killed. I contacted the dealer and a new part was installed, but found out there is not a cable connected to the accelerator. The sensor runs the gas input, without a back up in case of failure. *tr
On our 2008 hyundai santa fe limited with 45,391 miles, VIN # [xxx], the check engine light started coming on when it was about 1 year old. It has now come on approximately 10 times.the dealer always says it's the gas cap. We have tightened the gas cap varying degrees and it does not matter how tight it is. The check engine light continues to come on. They claim to have replaced the gas cap 3 times out of 10 trips. Whether that is true or not, I don't know. Additionally, the red "air bag" warning light came on about a week ago and will not go off. I understand hyundai has a history of airbag problems and would like to know if you can force them to fix this problem as well as the check engine light. Information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6). *tr
Also reported on the 2008 Hyundai Santa FE
Fuel gauge or level sensor failure
Other speed control problem
Fuel tank, filler or EVAP failure
Airbag warning light or occupant sensor fault
Other engine problem
Oil leak
How far this goes
Complaints are voluntary, so 78 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does other fuel system problem happen on the 2008 Hyundai Santa FE?
Across 72 owner reports that included an odometer reading, half were filed by 80,000 miles. A quarter were filed before 62,500 miles and a quarter after 100,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is other fuel system problem on the 2008 Hyundai Santa FE?
78 reports have been filed with NHTSA, about 1.2 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed