Something terribly wrong with transmission, engine. Even with the mechanic oe bulletin referenced above, GM refuses to cover expenses for permanent repairs for the 2011 Buick Regal. In either case, this will be accompanied by possibly harsh downshifting, total power loss until the vehicle is moving slowly, and an unresponsive engine. Here are some of the most typical problems that can make your Regal’s reduced engine power warning come on: This is one of the most common reasons the reduced engine power light comes on. The vehicle was not diagnosed or repaired. The law firm of Migliaccio & Rathod is currently investigating the 2016-2019 Chevy Malibu, the 2017-2018 Buick LaCrosse, and the 2018 Buick Regal for engine power reduction issues that results in unexpected deceleration, often at highway speeds. If they totally go bad they usually don’t trigger the reduced engine power mode, but if you plug your code scanner and it comes up with an oxygen sensor related code such as P0160, it’s definitely worth taking a look at them. Complaints are spread across multiple & redundant categories, & are not organized by problem. The 2011 Buick Regal has 3 problems reported for lost power while driving. I was able to put it into manual shift and that slow sluggish feeling would go away. Conclusion. Car was being driven on the highway when it stalled and shut off. The timing chain was replaced around 60K miles, and shortly after the complete engine was replaced (see carfax image attached, confirmed with dealer). A check engine light can indicate a broad spectrum of problems with your 2011 Buick Regal. The manufacturer was not notified of the failure. This data is from the NHTSA — the US gov't agency tasked with vehicle safety. While they don’t often na. As I accelerate the car would shudder and shake, then I would get a service stabilli trac message followed by a message stating that the engine power has been reduced. Without enough data, the ECU will just give you enough power to not leave you totally stranded, and may run the engine in an entirely different way. Combining style, concept and horsepower, the Buick Regal is the ideal luxury sedan for the power-loving drive enthusiast. no warning at all. For more information on how we collect and use this information, please review our Privacy Policy. I could pull over shut off my vehicle and turn it back on and the traction light was off and it would run fine. I will lose everything, electrical and power steering. light and a message that read engine power reduced. I had my oil changed about a week ago and today as I was coming home I had both my stability track light and a warning about engine power reduced. Engine light came on and I took it to my mechanic. Reduced engine power can affect the vehicle’s ability to accelerate. Febreze Car Air Freshener Lawsuit Dismissed, www.msn.com/en-us/autos/research/seven-engines-to-avoid-like-the-plague/ar-aavz7vm, www.classaction.org/media/berman-et-al-V-general-motors-llc-joint-notice-of-settlement.pdf, read stories from drivers who praise our work. Front ¾ vehicle photos © 1986-2018 Autodata, Inc. dba Chrome Data. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. the lack of oil then caused the timing chain to break, which then further damaged intake valves, head gaskets, balance chain, etc. light and a message that read engine power reduced. There is no shutter or sound. We had to replace the engine in April 2017 and started having the same problem in Septmeber 2019! The L4-2.4L engine is a known safety hazard as the engine can fail while under normal operation on a highway or city street with potential catastrophic results. The contact mentioned that the vehicle failed to accelerate more than 1 mph. If the ECU isn’t getting the proper voltage response from the throttle body, it can’t be sure of how much it’ll really accelerate your Regal from the gas pedal input. Back on February 9th, 2019 I had an oil change and received whatever premium-ultra synthetic oil they had. Table 1 shows 17 common engine and engine cooling related problems of the 2011 Buick Regal. It’s effectively “in the dark” without enough vital telemetry to control the engine properly. Those repairs have happened before I owned this vehicle. One of the most annoying things that can happen when we are driving our vehicles is when we get the reduced engine power light. Your Regal’s oxygen sensors measure the amount of oxygen in the exhaust to help insure that the proper air/fuel mixture is realized. Turn the key completely off, and then the car will restart almost every time. They claim it was caused by a "lack of maintenance (ie. Now have to replace the engine and this is an issue with all these 2.4 engines. If this light stays on, see your dealer as soon as possible for diagnosis and repair. When the engine power has been reduced, the engine and transmission can operate in totally different ways. Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about? Engine power is reducer came on my 2011 buick regal. The contact called vision Buick GMC (800 panorama trail S, rochester, NY 14625, (585) 200-3905) and informed them of the failure. This preliminary information communication provides information to the technician of an engine power reduced message on the driver information center after performing the canada onstar 4g upgrade. Car only has 60,000 miles, one owner. If this message is on, but there is no reduction in performance, proceed to your destination. Front ¾ vehicle photos © 1986-2018 Autodata, Inc. dba Chrome Data. All the lights were on in the dash including a stabili trac. I took it to a mechanic who changed my gas pedal/sensor. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. The approximate failure mileage was 83,000. The contact owns a 2011 Buick Regal. while approaching an intersection at approximately 35 mph my 2011 buick regal with less than 48,000 completely stalled out. Don't waste your time wasting ours! Not keeping up on oil changes)". Detailed car specs: 2011 Buick Regal. Presentative maintenance up to date. Good luck diagnosing your Regal’s reduced engine power light. If not, it may be time to have it serviced. As I was heading in for an oil change on the morning of June 2nd, 2019 the car suddenly locked with brakes and steering becoming extremely stiff. Had to be towed. The vehicle can be driven at a reduced speed when the reduced engine power light is on, but acceleration and speed may be reduced. 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. While driving on city street approaching interstate at 25 mph, car starting stalling, puttering, losing power. now it want start. This oil was rated up to 9,000 miles I believe. We don't sell/share your email. Reduced Engine Power Causes: Buick Regal. 2011 Buick Regal- check engine light came on the infotainment screen flashed "engine power reduced" & "check Stabilitrak." 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