NHTSA Complaint #11474852 — 2021 HYUNDAI SANTA FE

I ran into a pretty dangerous situation while on the highway. I was driving at about 70mph picking up speed to pass a vehicle on the far left/fast lane when I suddenly noticed a loss in power (no warning, nothing!). I could hear the engine rev when stepping on the gas but the speed never picked up. I managed to stop on the far left shoulder next to the jersey barrier since there wasn't enough speed to safely get to the right shoulder. Restarting the car multiple times didn't fix the issue but the engine light came on at this point. I had to get the car towed to the nearest dealer after seeking help from the highway patrol and roadside assistance. After 3 weeks at the dealership, they told me they could not replicate the issue and asked me to take possession of the vehicle. The very next day, while on the highway, I ran into the same issue just after driving 7 miles. Again, it could have been pretty dangerous. It's now back at the dealership.