Table 1 shows one common unknown or other related problems of the 2010 Hyundai Elantra.
| Problem Category | Number of Problems |
|---|---|
| Unknown Or Other problems |
On three different occasions, the vehicle’s engine has stopped running while I was driving. In each case the vehicle was coasting at a slow speed, I was not applying my foot to the gas pedal at the time. The electrical power did not die, nor was there jerking or noise to indicate the engine had stopped. The only sign that the engine had stalled was the "malfunction indicator lamp" came on, and no acceleration power. I still had lights, radio, fan, etc. Luckily there were no other vehicles in back of me at the time. In order to restart the car, I had to shift from drive to neutral, turn the ignition key to re-start, then shift back into drive. For each incident, the car restarted right away.
I took delivery of the brand new car & about a mile down the road I noticed prominent bounces after the car would go over bump in the road when the car was decelerating to a traffic light. I felt a total of three bounces with the first being the largest, second half of first, third half of second, & fourth couldn't be felt. It was bumper to bumper traffic & going light to light. The bumps were raise sections of the road affecting all four tires. The bumps were not potholes. I emailed my salesperson the next business day of the problem with no response. My main concern is highway driving. One stretch of highway has cement slabs in an undulating pattern that I have driven over daily for a very long time at many different speeds & in many different driving conditions. My previous car would react by rumbling up & down. That sensation was constant over the years at any speed & driving condition. Once I cleared that section of the bad highway, my car would immediately stop. The first time I went over that same stretch of highway in my new car at an est. 60-65 mph, the car begin to oscillate harmonically (bounce rhythmically) & continued to harmonically oscillate (bounce) once I cleared that bad section of the highway for an additional minute. I estimated the total time at two minutes. The harmonic oscillation felt very consistent over that two minute stretch. Once I went over another bump the oscillation went stopped. The struts are supposed to dampen the oscillations. I brought it into the service department. The mechanic test drove it & said the suspension felt firm. The suspension checked out ok (no numbers given). It has a sport tuned suspension & was suppose to do this. The mechanic didn't drive the bad section of the highway because it was too far away. I will try to resolve this matter with the Hyundais field service engineer.