Check Engine Light On Problems of Buick Regal

Buick Regal owners have reported 19 problems related to check engine light on (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Regal based on all problems reported for the Regal.

1 Check Engine Light On problem of the 2016 Buick Regal

Failure Date: 03/24/2021

When accelerating the vehicle after coming to a stop or slowing down stumbling/stuttering occurred along with the check engine light coming on and the stabilitrak/ traction control light. Continued on into the next day with the same problems except the check engine light turned off and came back on with an oil light. Waiting on dealership to inspect. Dealership mentioned multiple cars there with the same problem.

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2 Check Engine Light On problem of the 2014 Buick Regal

Failure Date: 03/13/2021

Purchased in Jan 2021 with 94k miles and as of Mar 2021 96k miles a catastrophic engine failure of the #4 cylinder. Crack in the piston ring grooves and now has zero compression. While driving the highway at 74 mph. Loss of engine power and check engine light is on and will stall at idle even in neutral while sitting at a stop light or stop sign. Engine oil found under the car as well but not sure specific location at this time. Heavy blue smoke from exhaust and very rough idle with lack of response from the turbo along with the traction control light on as well.

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3 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 03/11/2020

Upon bringing my car in for a p10011 code (the check engine light came on), the dealership stated that the timing chain on my car was stretched and needed to be replaced. It cost over $1900 to fix.

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4 Check Engine Light On problem of the 2013 Buick Regal

Failure Date: 12/18/2019

Tl- the contact owns a 2013 Buick Regal. The contact stated that while driving 70 mph, the vehicle loss acceleration, steering became difficult to tuned. In another when turn off the engine, the vehicle failed to start. A warning light illuminated roll driver side window up, the trunk open and the windshield wiper independently start to function. The vehicle was towed to ed martin Buick GMC, 9896 n michigan rd, carmel, in 46032, and was diagnosed that the timing chain detached. The vehicle was not repair due to the repair fees. Five code also came up, p0131, p0016, p0017, p0014 and p0171. And leaving the dealer, the vehicle failed to start and was towed to an independent mechanic where the timing chain, balance chaff, chain kit, timing cover gasket set, cam cover gasket set and two camshaft sensors, were replaced. The while leaving the independent mechanic, the vehicle loss acceleration, heat blowing at the flow board an unknown odor entered the vehicle cabin coming from the engine. The vehicle was taken back to the independent mechanic and was informed to take the vehicle to a Buick dealer. While on the way to the dealer, the park to drive gear was clunking and jerking from 3rd to 2nd and 4th to 3rd. The vehicle was taken seven times to the same dealer. The contact mention that she taken the vehicle to a transmission shop but was unable to determine a failure. On another occasion the vehicle loss acceleration and jerking in gears, heat entering the vehicle cabin and squealing. No check engine light illuminated and the battery cover was melted on one side. No indication on the overheat that level the temperature gage. The failure mileage was approximately 81,290. Aw.

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5 Check Engine Light On problem of the 2002 Buick Regal

Failure Date: 11/14/2018

My car was in driving mode on the road in newark California and speed limit 35 mph all of the sudden my car without warning without any issues prior to this just stopped locked up brakes locked up steering wheel car still running but won't let me accelerate car radios on toast on my battery just everything locked up out of nowhere no warning signs scare the heck out of me I just had to let it keep rolling to look into a stop and got it towed home now every time we turn on the car if I had the blinker on it shut off the car won't drive it doesn't have enough power almost like electrical issue him a check engine light wasn't coming on now is I have codes u1040,c1225,c1226,c1232, c1233,c1248, why is this car so unsafe and why can't any real actions be taken seriously its old but very major issue in all these makes of year look it up and see same thing every where I am lucky I'm still alive due to all my fairies with recall 15757 and all other major issues that never been really dealt with I submit a claim almost every 2 years when my car catches fire 4x and now this major safety issue!! never got any out come on any of these big issues and this is my safe option for my life in owning a car I pay a lot of money for this I wish I had more info on gm no loyalties to there people please they have told me stright up we will not do anything about this sorry !!! I can't find a lawyer to take a case against gm I think action needs real time investigating not a websit we can write claim after claim after claim hopefully I will get my story out there before people start driving and end up dead due to this horrible situation the 02 Buick Regal is not safe stop driving this car if u own one !!!.

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6 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 10/28/2018

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.

7 Check Engine Light On problem of the 2012 Buick Regal

Failure Date: 06/03/2018

I have had problems with the stabilitrak - check engine light / multifunction indicator light coming on at random times (the on star diagnostic report doesn't give any indication of whats going on with the car so that regular people can understand before going in talking to a dealer about the issue) - powertrain issues I have had to replace my battery when I bought the car I was told it was newer and shouldn't have issues. My driver side headlight is full of water. There have been so many issues with this car yet no recalls have been found on my particular car. I read reviews from others and the 2012 Buick Regal just seems to have a lot of problems consumers such as myself should be entitled to a huge portion of cash paid for the defective vehicle. I thought it would be a safe family car but it just didn't turn out that way. I was afraid to take my family in my car for 6 months because I didn't know if I would we would be stranded. When I took my car to a certified dealer to get it repaired it was worse my car shook while I drove. Buick just isn't the car for me or anyone until they are able to create a safe car. Aesthetically newer model Buicks are nice but mechanically they are a bust.

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8 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 03/05/2016

Car stalls while driving on the highway, tremendously dangerous to my family and other drivers. This happens without warning and no check engine lights, the car becomes completely unresponsive but all the lights are still on. This scenario is hazardous to the traveling public on all roadways!.

9 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 02/13/2016

While approaching an intersection at approximately 35 mph my 2011 Buick Regal with less than 48,000 completely stalled out. No warning at all. All the lights were on in the dash including a stabili trac. Light and a message that read engine power reduced. I then blared my horn and cruised thru the intersection on a red light thankful it just turned red and opposing traffic hadn't started across yet. I was finally able to stop the car that had absolutely no power steering and abs was turned off and shit the car off. I waited a few minutes until my nerves calmed down and restarted the car all the lights were off except the engine light. Drove the car home and called the dealership, who then had it towed to them. By that time the computer restarted itself and no check engine light was on, with that no reading as to what the problem was at the dealership and I was left being looked at as if I didn't know what I was talking about. This happened approximately 3 months ago and I have had the same problem a total of 3 times since then. When is Buick going to step up to the plate and finally do something about this? are they waiting for someone to be killed first? I've read this same problem with the same car numerous times on numerous sites. . . Where is our help????.

10 Check Engine Light On problem of the 2002 Buick Regal

Failure Date: 01/16/2016

The contact owns a 2002 Buick Regal. After the vehicle was started, the check engine warning light illuminated intermittently. The vehicle was taken to a dealer where it was diagnosed that the engine oil pan gasket, valve cover gasket set, and spark plugs needed to be replaced. The vehicle was not repaired. The contact received notification of NHTSA campaign number: 15v701000 (engine and engine cooling); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the failure. The failure mileage was 92,000. VIN tool confirms parts not available.

11 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 01/08/2016

53000 miles. When car is in motion. Car goes to low power more and check stabili-track message comes on. Car shakes bad at idle, idles too high,(almost to a point where brakes won't hold at a stop). Shit down and restart car goes back to normal conditions for short puerile of time. Check engine light comes on and code for throttle body malfunction is detected. Called Buick service number and was told it would be under warranty. Made appointment with dealership checked code and determined same code issue and it was not covered under warranty. Did. Not have them fix it yet. Cost is excessive and was told under warranty by manufacturer. Waiting on customer service call back. Car is unsafe to drive. Have seen many similar complaints but have seen nothing done by Buick or ntsb.

12 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 07/06/2015

The contact owns a 2011 Buick Regal. While driving approximately 45 mph, the check engine warning light illuminated and the vehicle suddenly stalled. The vehicle was towed to the dealer where it was diagnosed that the timing change failed. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 107,000.

13 Check Engine Light On problem of the 2011 Buick Regal

Failure Date: 11/14/2011

Purchased car in summer of 2011. During the first cold weather car would give a warning to service stabilli trac and that the engine power had been reduced. I decided to pull over and restart the vehicle and it would reset the computer and the warning lights would turn off. I took this to the dealer and they could not replicate the issue. I started to let the car warm up in the winter and this seemed to help until recently. Within the last few weeks I have been having similar problems even after letting the car warm up. The car will automatically reduce engine power even while on the highway making it difficult to get out of the way of traffic. After these incidents the check engine light will come on but will go off after turning the car off and restarting. I have contacted onstar and they tell me the same thing that the warning lights do. I have also had issues with the car trying to accelerate on its own while at a stoplight. After going to the dealer and having them not able to diagnose the problem or try to repair it and not fix the issues, I feel at a loss of what to do at this point. I do not have the time or money to keep going to the dealer only to leave with the same problems. I would think that the manufacturer would be more inclined to fix these issue before people are injured or any fatalities occur due to their negligence. I feel that after reading about other people's similar issues that this is something that should call for a recall.

14 Check Engine Light On problem of the 2003 Buick Regal

Failure Date: 05/04/2009

The contact owns a 2003 Buick Regal. The contact stated that he smelled something burning in his vehicle. He noticed that the engine light illuminated on the instrument panel. He received a recall notice for NHTSA campaign id number 09v116000 and gm recall number 90047, which was repaired by the dealer on may 27, 2009. The dealer informed the contact of another issue with his vehicle and stated that he had to pay $88, but the contact refused. The dealer believed that the other issue had nothing to do with the recall failure. The failure mileage was 120,000.

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15 Check Engine Light On problem of the 1999 Buick Regal

Failure Date: 06/27/2008

My wife took my 1999 Buick Regal GS to the dealership to address recall 07035. My car was in perfect working order and running smoothly. Upon return of my vehicle, the a/c no longer worked, the a/c control panel no longer worked, and the car was missing when going up hill and the engine trouble light is now continuously flashing. My wife was in a very rural area and I had to get in my truck to follow her home. Recall repair for 07035 has virtually made my car inoperable and the dealership says it is nothing they did. You don't have to be a mechanic to know they did something wrong when the car goes in working perfectly and comes out with so many problems. What can you do regarding the dealership, or general motors to make my car safe again and operating safely for my wife.

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16 Check Engine Light On problem of the 1997 Buick Regal

Failure Date: 02/18/2005

Driver noticed that the check engine light appeared on the dashboard and remained on. A loud winding noise was coming from the front of the vehicle. Then, vehicle stalled. Driver was unable to restart vehicle, and had it towed to the dealer for inspection.

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17 Check Engine Light On problem of the 2003 Buick Regal

Failure Date: 09/15/2003

While the consumer was driving at an undetermined speed. The check engine light illuminated on the dash and the vehicle to stalled. The owner has made contact with the dealer on two separate occasions and the problem still continued. Please provide any additional information.

18 Check Engine Light On problem of the 1996 Buick Regal

Failure Date: 09/15/2003

Car broke down 2 days after I bought it, it broke down on the way to the shop. They kept the car for two days to fix it and I received it back. The next morning, the engine light was on, and it continues to be on, dan nelson network refuses to take the car back, and expects full payments on a vehicle that does not run properly.

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19 Check Engine Light On problem of the 1999 Buick Regal

Auto design defect is bilking consumers and hurting economy. The engine warning light illuminated without there being a problem. The consumer mentioned the warning lights were not doing their job. Instead of warning the driver, it's costing them money to get them turned off each time. The consumer would like to know what caused the problem and why has it not been fixed yet?.


Other Common Engine And Engine Cooling related problems of Buick Regal


Safety Ratings of Regal Cars
Fuel Economy of Regal Vehicles
Regal Service Bulletins
Regal Safety Recalls
Regal Defect Investigations