2011 Buick Regal: hesitation when accelerating

Filed Jul 1, 2022 · Acceleration · FL

MIL Lamp is illuminated and cannot be turned off or reset. The code displayed on the scanner is for P2138 "Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation." There is also a "Reduced Engine Power" message on the dashboard. Available for inspection upon request. My safety was put at risk before the vehicle was serviced because the car shut down in the middle of the street with cars behind me. I called a certified mechanic to successfully service the vehicle and he cleared the code. My safety was put at risk again after the car was serviced because the code came back on as I was driving on the highway. Car lost power and speed and as I tried to get the car pulled over with emergency lights on, I was almost hit from behind by 2 other drivers. Problem can be reproduced within 10 minutes. Per the mechanic's request, I am taking my car to a Buick Century GMC dealership on 7/16 @ 12 PM to be serviced. Warning symptoms before code came on happened especially during times of rainfall. Car hesitated to pick up speed. Overconsumption of gas resulting in decreased mileage.

Filed Aug 28, 2019 · Electrical, Engine · 123,964 miles · IN

Whenever I am driving my vehicle for an hour it starts to stall or sputter in traffic and the engine dies completely. It will restart but still continues to hesitate when accelerating. I've taken it to a mechanic and no error codes pop up when this happens so they do not know the cause or how to fix the issue.

Filed Oct 29, 2018 · Engine, Steering · 69,000 miles · NV

Check engine light on. Code p0011 present. Indicating over-advanced camshaft position sensor. While performing a u-turn, the vehicle died/lost engine power and steering locked in place in the middle of the road. The vehicle was spread across three lanes, as I was in the middle of my u-turn, with oncoming traffic approaching. Luckily, I was able to start the car back up and regain control just as traffic neared my position. Almost deadly situation. Also noticing engine hesitation as well as shaking of the vehicle while idling.

Filed Jan 23, 2017 · Engine · 85,000 miles · PA

Tl* the contact owns a 2011 buick regal. While driving 55 MPH, the vehicle hesitated and stalled without warning. The dealer diagnosed that the timing chain needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 85,000. The VIN was not available.

Filed Aug 25, 2016 · Driver assistance, Electrical · 12,000 miles · VA

Tl* the contact owns a 2011 buick regal. The contact stated that the stability control warning indicator randomly flashed. In addition, upon making a right turn, the vehicle hesitated, shook, and vibrated as if it would stall. The vehicle was taken to two different dealers several times, but the failure was unable to be replicated. The manufacturer was notified of the failure. The approximate failure mileage was 12,000. The consumer stated the vehicle was repaired, but it still experienced a slight vibrations.

Filed Mar 26, 2015 · Electrical, Engine · 53,000 miles · NY

I bought this 2011 buick regal with about 53000 miles on it from a private seller. From the day I got it the stereo, clock, navigation have been a problem. The clock doesn't hold the time, stereo turns off my itself or sometimes makes a loud pop noise and doesn't work. The navigation is in the state of washington, I live in n.y. The drivers heated seat doesn't work. The bumper to bumper warranty was up 3000 mile ago, at this point. Later, the timing chain needed to be replaced. The motor made a loud knock and would surge, hesitate and stall. With the timing being off, the transmission wouldn't downshift and was hard to stop the car. Two months later the same symptoms re-occurred. The dealer charged me to diagnose and told me it was down 2 quarts of oil. They changed the oil 2 months prior. Now, I noticed the rear brakes are dragging and don't release sometimes. Gm, buick and two dealer won't do anything about any of this. An expensive car that is barely years old with all these problems. I've seen the service bulletins on all off these problems. No help from gm, just index card readers from the philippines who apologize every thirty seconds and make excuses!