Other speed control problem on the 2008 Hyundai Elantra
4 crashes 1 injury 5 of the 12 reports for this failure mention a crash, a fire, an injury or a death. Those are the owner's words on the complaint form, not a verified finding, and one report can mention more than one.
When other speed control problem gets reported
Owners of the 2008 Hyundai Elantra report other speed control problem at a median of 55,000 miles. A quarter of the reports come in before 35,000 miles and a quarter after 90,000 miles, from 11 reports that carried an odometer reading.
A part like this is normally expected to survive 78,000 miles. It is the 11th most-reported problem on this model year.
The mileage distribution
The reported range runs from 30,000 miles at the tenth percentile to 110,000 miles at the ninetieth, a spread of 81,000 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.
27% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 28,600 miles | 34,608 miles | 53,000 miles | 89,500 miles | 109,600 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
Of these reports, 4 a crash and 1 an injury are mentioned. Owners write their own complaints and the agency does not verify them, so read this as what the reports say happened rather than as a confirmed count.
Putting it right typically runs $250–$2,000 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.
This mode is classified as critical, which means a failure can leave the car unable to stop, steer, or stay out of the way of traffic. It is weighted accordingly in the risk score.
The same failure on other years
The same failure is reported on 23 model years of this car. It shows up earliest on the 2020, at a median of 5,000 miles, and latest on the 2009 at 85,000 miles.
By volume the 2013 carries the most reports, with 31; the 2008 has 12. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
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.
I was driving my 2008 hyundai elantra on the highway and began driving on the exit ramp when the brake was applied the car accelerated to a speed of 85mph. I had both feet on the brake and the car would not stop. I put the car in neutral and it slowed to 20mph. At that point I put the car in park and turned it off. The car was smoking and I could smell something burning. Car was taken to hyundai dealership where they told me the throttle cable had debris on it and malfunctioned causing the throttle to accelerate to high speed. The car had accelerated twice before but not to such high speeds and would react to the brakes being applied. *tr
While driving in heavy traffic, inching along at low speed for about 1/2 miles; stopping and starting all the way, suddenly during one of these stops, the motor started to rev and the car accelerated on its own. Had to brake hard to avoid hitting the car in front of me. About 10 minutes later, while parking the car in a parking space, the same thing happened. I had already stopped and was putting the car in park. I took the car to the local hyundai garage where they did road testing. Computer tests showed no codes; so no repairs were made. When the tech line of the manufacturer was contacted on this matter was told that there were no cases relating to this problem on file. Have had this problem sporadically since 2010. Last reported an acceleration problem to the hyundai garage early in the month of december 2012. No one at hyundai wants to help me. *tr
This past saturday, may 10, 2014 I was driving my four year old daughter home from soccer class and all of a sudden my steering went out. After avoiding an accident with woman behind me, I realize that the steering wasn't out but had become very difficult. The eps light on the dash was on and I learned that the power steering had gone. We took the car to our local mechanic to see if it was a simple thing like a fluid change. He informs us that the steering is computerized, that there is a service bulletin about the power steering in our car and we should take it to our dealer and it shouldn't cost anything to reprogram. *tr
Also reported on the 2008 Hyundai Elantra
Fuel pump failure
Other steering problem
Other brake problem
Other engine problem
Parking brake failure
Other electrical problem
How far this goes
Complaints are voluntary, so 12 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 speed control problem happen on the 2008 Hyundai Elantra?
Across 11 owner reports that included an odometer reading, half were filed by 55,000 miles. A quarter were filed before 35,000 miles and a quarter after 90,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is other speed control problem on the 2008 Hyundai Elantra?
12 reports have been filed with NHTSA, about 0.2 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