Car Accelerates On Its Own Problems of Hyundai XG350

Unintended acceleration. We have reported this defect to Hyundai dealers and corporate office to no avail. U. S. Transportation secretary ray lahood, March 2010, announced two major investigations designed to answer safety issues of unintended vehicle acceleration for all manufactures. What have you at NHTSA identified and addressed as potential vehicle-related causes of unintended acceleration?.

See all problems of the 2004 Hyundai XG350 🔎.

Car experienced spontaneous acceleration ending in accident that totaled vehicle. Backed out of driveway, put car in drive, took foot off brake, didn't yet accelerate, car jolted with high rpms and caused accident.

I own a 2004 Hyundai Xg350l that is having accelerator issues. On several occasions, while stopped / idling, or slowing down, the vehicle will suddenly accelerate. This is while the brake is being applied. I can be setting at a stop light or stop sign with foot on the brake, not the accelerator, ( I do not drive with both feet like some people incorrectly do : ) and suddenly the car will rev up and try and accelerate forward. In other cases, I can be slowing down with brake applied, and again, the vehicle will accelerate forward. I have to really "mash" the brake to prevent the car from accelerating forward. Once I bring the car to a stop, and the car is still trying to accelerate, I will have to put the shifter into neutral, and turn the car off. I can let the car sit for several minutes, restart it, and it will usually be back to normal. Luckily, I have not had any accidents as a result of this issue, as some of the other people who have posted complaints have. . . . . . Yet. On several other occasions, it has been just the opposite. . . . . . . . . . I will be driving down the road at any given speed, and suddenly the car will just stop accelerating & go to an idle. You can press the gas petal to the floor, and the accelerator will not respond. The car will remain running, but will only idle. I once had to drive approx. 8 miles, in the emergency lane, at an idle speed of about 5-10 mph to reach my destination : ( these where once sporadic occurrences, but now happens on a daily bases. I just recently replaced the throttle position sensor, and this did not fix the problem. I have learned that it could be caused by the "accelerator petal position sensor"; Hyundai pn:35357-3b011. There is obviously a serious issue w/ accelerator problems w/ the Xg350, sonata & santa fe, that Hyundai needs to address. I have read of cases w/ Hyundai acceleration problems that have caused deaths.

The contact owns a 2004 Hyundai Xg350. The contact stated that while driving approximately 30 mph, the vehicle erroneously accelerated to a very high rate of speed and the contact could not stop the vehicle by applying the brakes. The vehicle proceeded to travel through an intersection where a second vehicle crashed into the driver¿s side of the contact¿s vehicle. The driver and front seat passenger sustained injuries to the back. The driver of the second vehicle involved in the crash sustained minor head injuries. A police report was not filed. The contact also stated that the side and front air bags failed to deploy during the crash. The vehicle was diagnosed but the cause of the air bag and acceleration failure was not determined. The manufacturer was notified of the failure but no solution was offered. The failure mileage was 53,000.

2005 Hyundai Xg350l. Consumer writes in regards to vehicle sudden acceleration accident. The consumer stated as she was preparing to park in an angle parking space along the west side, ground level, of the parking garage, she pressed the brake pedal to slow the vehicle to make a right turn into the parking space, it suddenly accelerated resulting in a severe collision with the concrete wall. As the vehicle accelerate forward, the consumer depressed the brake pedal as hard as she could. Also, the air bag did not deploy in the accident. The vehicle was declared totaled.

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We have a 2004 Hyundai xg 350, on at least a half a dozen occasions, while coming to a stop, the car would suddenly accelerate and would not stop while pressing on the brake, luckily we were able to avoid any accidents. We took it to our local Hyundai dealer on 10/20/10, they told us it was the throttle position sensor, they replaced it, said it was fixed. Yesterday, 11/28/10, it did the exact same thing again, only this time we weren't as lucky. My husband tried to stop as he pulled into our driveway, the car suddenly accelerated, and he ran into the front of our house. The front bumper of the car has minimal damage, our house has a huge dent in the front of it. Needless to say, it could have been much worse, he wasn't injured, but he or someone else could have been. The car is currently at our local dealership again, they called today and said they couldn't find a problem with it and Hyundai says they have no record of this problem on this model of car, so imagine my surprise to find several complaints on the NHTSA website. Someone is covering up this problem somewhere, I hope it doesn't take someone getting seriously injured or killed for something to be done about it.

On three occasions over about 4-5 month period ending July 2010 I experienced sudden unintended acceleration with my 2005 Hyundai xgl350. The first 2 times I was stopped at a red light and the car started to accelerate unexpectedly. I already had the brake depressed for the traffic stop and had to press the brake as hard as possible to prevent the car from taking off. The unexpected acceleration surge lasted about 5 seconds then ended. The car did move forward but in both cases I did not have any injuries or damages. I did not take the car in for service after either of these incidents. The third incident happened on July 25, 2010 in norfolk, va. I was parking between two cars in a restaurant parking lot. The parking space faced a curb which boarded some floral landscaping. With my foot on the brake at all times I very slowly pulled in and started bringing the car to a stop the car about 3 - 4 feet from the curb. Before the car came to a stop it began to unexpectedly rev up and accelerate forward. I pressed on the brake as hard as possible but the cars front wheels manage to climb over the curb and move the front of the car into bushes before the acceleration ended and I was able to regain control of the car. I put the car in reverse and backed down over the curb. On that same day I drove the car for about 12 hours returning from virginia to new york and did not experience any unexpected acceleration problems. I plan to bring the car into the Hyundai service on July 27, 2010 to investigate and hopefully fix the problem.

: the contact stated the vehicle stalled upon acceleration for the first 5-10 minutes the vehicle was driven. After pumping the accelerator pedal a few times, the vehicle would start. The dealership was aware of the problem and determined this was a characteristic of the vehicle. Updated 10/4/2006 - the consumer indicated that each morning the vehicle was started, put into drive and driven into traffic it stumbled and would not accelerate. When the consumer lets off the accelerator pedal the vehicle accelerated suddenly.

: the contact stated there was a intermittent acceleration problem. While depressing the accelerator pedal, upon initial acceleration, the vehicle hesitated and then suddenly accelerated. Also, when put into drive the vehicle lurched forward. The vehicle was taken to the dealer who was unable to duplicate the problem. Updated 04/04/06.

Hyundai Xg350 year 2004 model had unintended acceleration problem. The car jumped the curb when pulling into a parking spot. My foot was on the brake as evidence by my daughter. I tried to break numerous times, and finally the car got caught up on a bush. It was as if the gas pedal was stuck. The car just would not stop, and it was slightly damaged. Hyundai replaced the car, but rewrote the loan with the 10 k original down payment getting lost in the paperwork. Reporting this because I did not know of this forum back then. Contacted an attorney, but they said there was nothing that could be done with the matter.

The contact complained about sudden acceleration. The problem occurred when slowing down or after the vehicle came to a complete stop. The vehicle was involved in an accident. The contact was pulling into a parking space when the vehicle accelerated and ran into a building. The only damage to the vehicle was to the front bumper cover. Upon impact, the airbags did not deploy. The consumer was wear his seat belt. No injuries were sustained. The contact took the vehicle to the dealership. They could not duplicate the problem and no repairs were done. Updated 1/11/2006 -.

This is an update of my previous reported found on your odi number 10118222. My car accelerated when I applied the brakes to my 2004 Hyundai Xg350. This car and many other Hyundai models use a drive- by- wire system. I have found over 300 similar complaints on companies that use drive- by- wire. These cars are defective products and include 2002-2005 Hyundai, kia, Toyota,and Mitsubishi. In my case two different Hyundai engineers could not find the problem. An independent inspector can prove I had my foot on the brake and not the gas pedal when trying to stop, but no luck. Some injuries have already been reported and perhaps there have been people killed who can not report their accident. There were 3 people killed in my area driving Hyundai cars. The report in our news paper of the accident read as if the sudden acceleration problem caused the accidents. I am requesting that you open up an investigation on Hyundai cars that accelerate when braking. Also if at all possible the investigation should include all car manufacturers that use drive- by- wire systems. These cars are safety issues and there are enough complaints to prove it. The cars are potential bombs and a danger to passengers in the car and other cars on the road. Some action must be taken to prevent additional injuries and possible deaths from these cars.

New 2003 hyundia Xg350 sudden acceleration when starting off from a stop. Car starts off slow then suddenly accelerates causing the car to lunge forward. May cause rear end crashes . We have had many close calls especially in bumper to bumper traffic. Dealer is un-able to correct. Says this is an engineering problem Hyundai is working on. I have had this problem since taking delivery oct. 2002. Dealer has had car in shop repeated times to attempt corrective action. Dealer acknowledges product problem with 2003 and 2003 models.

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My 2005 Hyundai Xg350 has experienced sua, (sudden unwanted acceleration) twice in the last 3 months. This is a very serious and dangerous safety problem that has been reported to Hyundai motor America and the NHTSA too many times. Twice, I pulled into a parking spot and while applying the brake, the car accelerated and I was unable to stop it , even when I stepped on the brake very hard. I wonder why, after so many complaints to Hyundai motor America and the NHTSA, that this very dangerous safety issue didn't warrant a recall, since this problem goes back to 2006.