Car Stall Problems of Audi Q3

I purchased my Audi 2020 Q3 in November 2019. Since the purchase, on three separate occasions, the car has failed to accelerate under very specific speed conditions. In each case, the vehicle had slowed either due to a sharp curve while entering a freeway or for a slower vehicle in front of my vehicle while entering the freeway. When time came to accelerate to match the speed of the freeway traffic, adding power was futile. Drifting on to a freeway at 20 miles per hour and decelerating; while freeway traffic is moving at 70 to 80 mph (California) is unnerving at best and certainly, potential deadly. Audi calls the the problem "limp mode". Audi of America, inc. Issued emissions service action 96h5 - engine control module (ecm) software which cleverly dances around the real threat which is the potential for a serious or fatal accident. In March 2021, when 96h5 came available it was installed on my vehicle. The next week I took a road trip of several hundred miles. Unfortunately, the third " engine limp mode" occurrence happened nearly resulting in a major accident while attempting to enter the freeway. Nhtsa needs to recognize the seriousness of this specific problem. The current software fix is not a fix. People will eventually die.

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We stopped at an all way stop intersection and the car's stop-start system had turned off the engine. When the engine restarted the engine hesitated, warning lights lit up on the dash, and the car went into its "limp home" mode. We were in the process of making a left hand turn and the car would not accelerate above a very slow speed. Luckily it was on a city street with a 25 mph limit and traffic was light. We were able to make it through the intersection and pull to the side of the road. We turned the car off and waited a few seconds and restarted it. The car worked normally after restarting and the problem has not happened again. I have received a notice for a recall that seems to address the issue (oem 96h5. Recall name: engine control unit (ecu) software) and have scheduled an appointment with my dealer to have it installed ASAP.

After stopping at a sign on a busy road, the engine fully shut down after a second or two of acceleration. A warning came on the dash to pull car over and call dealer. The engine was completely dead, but I was able to coast to side of road. After thinking about the situation for a few minutes, I started up the car again since I was in a precarious location. I drove it another ten miles to my destination without any issues. After reaching my destination, I called Audi roadside assistance. They sent a tow truck (it took just under four hours to arrive). They then towed car to elk grove Audi, which is when I learned that Audi knew of this problem but was not updating the software until problems developed in the cars. I feel that I was very lucky that the stalled engine did not happen on highway or that I did not have any passengers in car. The outcome could have been very bad. After contacting Audi customer service a few days later, they ('maria' on message line) said they would look into the issue and contact me by Friday Feb 12. I never received any further communication from Audi.

Drive system malfunction- 05dec2020 as I was driving on the city street (35mph) the speed stalled(decelerated) at 12mph, I pressed on the accelerator pedal all the way down in order to increase the speed but will not increase. I pulled to the side and stopped and then turned off the vehicle. I waited for about 5mins then restarted the vehicle. Drive system malfunction alarm cleared afterwards; I was able to accelerate to the speed of 35mph. The vehicle returned to normal operation state.

I bought my 2020 Q3 sline premium on August 15, 2020. The vehicle had stalled twice, first on August 17, 2020 and second on August 20, 2020. In both cases, the engine stopped as soon as I stopped in auto with my parking brakes engaged. The display screen also went dead/blank in both cases. In both cases I had to restart before I can drive. I also notice that when stopped and the auto stop engages the steering wheel locks making it difficult to turn a corner from a red light. Additionally, while driving the car identifies tar on the road as lanes and jerks the car away and it is very difficult to pull the steering back.

When accelerating the vehicle jerks like it is losing power. It has done this on both the interstate and on regular roads in motion. I have had to pull to the side of the road in fear that the vehicle will stall on me. On several instances I have been driving the vehicle and several warning lights show up and then it will not accelerate at all. Thankfully I have been able to roll off of the road each of these times. Theres no warning or any indicators that come up prior to the car completing dying in the road. I took the car to the dealership and was told theres software issues but nothing they can do for it until an update comes out. I was told to turn off the auto shut off feature and it will work ok, but that has not helped. The vehicle is unsafe to drive because it could completely fail at any given moment without notice. After further research this is a known issue with 2020's. It has been going on for the past month 1/2.

The vehicle stalls for no reason while being driven. Audi has advised us that they do not have a fix for the problem. Apparently it is a software issue but the software is not available yet. My wife was driving down the road yesterday and the car suddenly stalled. The vehicle was in the shop for 5 weeks when it was first purchased due to multiple electric malfunctions.

The contact owns a 2016 Audi Q3. The contact stated that the vehicle would not start properly and would constantly decelerate while in the middle of traffic. The contact experienced the failures often. Also, the check engine indicator illuminated. The vehicle was towed to Audi dominion (21105 I-10, san antonio, TX 78257, (888) 478-2089) where it was diagnosed that a new fuel sensor needed to be installed. The vehicle was repaired, but the failures recurred. The contact took the vehicle back to the dealer and had it repaired again, but the failures recurred. During the third repair, the dealer broke one of the headlights. Since then, the failures recurred multiple times. The manufacturer was notified and did not assist. The failure mileage was 49,500.

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