This leads to jerky shifts, unstable acceleration, and horrible gas mileage. My car has 124555 miles. … 2/2/2018 - week I needed an oil change and I decided to take it to a Valvoline Instant Oil Change, (for the first time in my life, as I usually do them myself) they put and 3 days later (2/5/2018), I was driving home, and lost all power, and the Traction Control Light came on, and then it said, "Engine Power Reduced", "Service Stabilitrak" and I couldn't go more than … It is not meant to sustain long periods of vehicular operation. Service StabiliTrak Warning– The number one indication that something is wrong is your Acadia’s “Service StabiliTrak” warning light itself. Our Acadia was towed home after displaying messages Service Stabilitrak, No Traction Control, and Service Traction Control. Back story: Earlier this year when we were in the mountains the check engine light came on. I called a few people I know for some answers on what the problem might be. Average repair cost is $7,700 at 71,200 miles. The truck drove terrible, I read this tread looking for help. Thank you The 2014 GMC Acadia has 19 NHTSA complaints for the electronic stability control at 48,360 miles average. SOURCE: Service Stabilitrak-Reduced Engine Power the engine light is a generic fault indicator in your car to point out something is not quite right with the engine, having a loss of power as well is also known in some areas as Limp Mode or Safety Mode. i have a used 2012 Acadia with 79000 km in it and i have a problem with the stabilitrak service traction control off engine power reduced comes on my dash… It is responsible for taking the data from all of the sensors above, and combining it with the data from many other sensors to control the engine. One of the most annoying things that can happen when we are driving our vehicles is when we get the reduced engine power light. it means the car is restricting the power it gives to ensure no damage it done to the engine. Another common cause of a reduced power condition is , if the ECU goes bad it can trigger the reduced engine power condition. If i can do it you can do it !! If it’s not responding, the ECU has no way of telling how much gas gas you’ve given it. … Guys this work with my acadia for some time but when I change the purge valve wish is connected with the throttle !! I usually park and turn off the truck, after about five minutes I will restart it, and it is cleared although the service engine light stays on for a day or so, then goes off. I started the engine to see if it was still doing the same thing and again the reduced engine power light came on and white smoke with the smell of gas. My car has an automatic transmission. Hi there. I noticed some strange bucking at around 1500 rpms last night on the way home and this morning I go out to start it up and it starts but the idle seems off and then I see Reduced power and TC disable etc. Code reader shows po641 which is a 5 volt circuit reference. Reduced Engine Power Causes: GMC Acadia. Good luck diagnosing your Acadia’s reduced engine power light. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. Fix ! I pulled over on the side of the highway coz everytime I pressed on the accelerator pedal, it slowed the acadia … The throttle position sensor is one of the most vital sensors in your Acadia. The 2011 GMC Acadia has 6 problems reported for loss of engine power. Our 2013 Acadia just displayed "Service Stabiltrak", "Traction Control Off", "Engine Power reduced" alarms. I`ll be driving down the highway at 65mph the stabilitrack light goes on followed by traction control off, service stabilitrak, reduced engine power. GMC Savana: Service StabiliTrak Causes. However it’s happened about every 2nd or 3rd day for about 2 weeks now. Mechanic was gonna charge me alot of money to fix all I spend was 5 dollars ! it means the car is restricting the power it gives to ensure no damage it done to the engine. Now: Yesterday was -5 degrees in the … I started to get the dreaded reduced engine power and stabilitrak messages and the car would go into limp mode. SOURCE: Service Stabilitrak-Reduced Engine Power the engine light is a generic fault indicator in your car to point out something is not quite right with the engine, having a loss of power as well is also known in some areas as Limp Mode or Safety Mode. I looked up some common remedies that made sense. The TPS data also helps determine when the transmission will shift. There are many things that can cause the StabiliTrak system to lose its ability to function. The idea behind the reduced engine power condition is to allow you to limp your Acadia into the shop or back home. A good code scanner is really cheap and can make the process a whole lot smoother. I cleaned the Throttle Body and MAF with approved and proper spray chemical. The next day we cleared the code, and it has only come back on days it starts kinda rough because of cold, etc. Stabilitrak& control light comes on vehicle loses power to the engine when I go over rough road or hit a bump in the street back end feels like it is sway sometime I can just start the car up and these two lights come on I had taken it back to the dealership's . When the engine power has been reduced, the engine and transmission can operate in totally different ways. My wife was driving the car into work on Monday when all at once, "Engine Power Reduced", "Service Stabilitrak", as well as 'Check Engine' and 'Traction Control' lights came on. 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. Wheel Speed Sensor– If one of the wheel speed sensors is out, your Savana will no longer be able to tell if all of the wheels are turning at the same speed. It is really only gets use in an emergency situation. My 2008 gmc sierra crew cab with 65200 miles, ran fine yesterday and today it hard started, hard shifted 1st and 2nd gear, check engine light came on, stabilitrak off, service stabilitrak light, traction control off light is on. Where the ECU has no way of telling how much gas gas you ’ given... 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