Engine power is reduced gmc terrain

2012 terrain reduced power. SLE terrain v6 AWD w/ 17,300 miles on it. Driving today and engine Boggs from 50 mph down to 20....hmm seems safe. Display shows engine power reduced and check engine light and traction control light come on. I stop, turn it off and back on, and can drive it again but check engine light still on.

Engine power is reduced gmc terrain. 2013 gmc terrain engine power reduced: 5 complaints2010 gmc terrain slt awd 2.4 liter sidi dohc 16-valve vvt 4 cylinder Poll: is the gmc terrain push-button shifter any good?Gmc terrain. How to fix reduced engine power gmc yukon2018 gmc terrain: it's all about the marketing Engine reduced power terrain gmc larger click complaintsGmc terrain ...

I'm working on a 2009 gmc terrain I'm getting reduced engine power and high pressure fuel pump codes .I changed the pump - Answered by a verified GMC Mechanic. We use cookies to give you the best possible experience on our website. ... i have a 2003 gmc 2500 6.0 and get reduced engine power at random times, ...

And as far as "Reduced Engine Power Mode" (REPM), the only time I've seen reference to that in my Helm Shop Manuals is when the Throttle Actuator Control (TAC) System is described. ... I HAVE had a bad experience with my GMC terrain 2012 SLT, and I have been the only owner, I am an elderly person, the first problem the car …Engine reduced power terrain gmc complaints 2011 gmc terrain engine power reduced 2015 gmc terrain engine power reduced. 2010 gmc terrain slt awd 2.4 liter sidi dohc 16-valve vvt 4 cylinder. 2015 gmc terrain problems include the engine consuming oil excessively2015 gmc terrain engine power reduced 2013 gmc terrain pros and cons at truedelta ...Having a clean engine air filter in your GMC helps bring a bold statement to the road through your vehicle's performance. For your GMC to deliver that performance, your filter helps prevent contaminants from getting into your GMC's engine when it's taking in air. Pollutants are always in the air, but a proper engine air filter helps block ...Changed throttle body and still getting reduced engine power message. 78k ,12 Terrain. 2012. Changed throttle body - Answered by a verified GMC Mechanic. ... 2012 gmc savana 6.0. Engine reduced power message and no power won't drive over 20 Mph. Replaced accelerator position sensor.Recommended Services. Reduced Power light is on Inspection. $94.99 - $114.99. Get a Quote. Or For Any Other Auto Repairs. Get a Quote. Tim Charlet. Automotive Mechanic. 30 years of experience.sounds like to me your timing is off. I just replaced my engine due to the exact same codes. As mentioned previous, the codes for cam solenoids, fuel pump, etc are all related to your timing issue. I was running reduced power, all valves were bent, had a broken cam roller, stemming from the timing chain tensionor being broke.Apr 6, 2023 · Bypassing Low Engine Power – You can bypass reduced engine power by checking wire connections, cleaning sensors, replacing the throttle, and changing transmission fluid. Identify the Issue – Several issues may cause a reduced engine power light. We’ve highlighted the 11 most common of these below.I bought a 2015 chevy equinox, check engine light on, p0016 p0089 p2 opps sorry p0016 p0089 p228d codes, replace high pressure fuel pump, throttle body, intake and exhaust variable timing sensors a sensor for the gas under driver side wheel recessed, and still I can clear the codes and they still come back and reduced power mode and limp mode, any other ideas, this is on a 2015 chevy equinox.

"Service Stabilitrak" message followed by the "Engine Power is reduced!" message We have a 2011 GMC Terrain (6cyl) with 55,000 miles. My Wife was driving on a snow covered road and received the "Service Stabilitrak" message followed by the "Engine Power is reduced!" message. She pulled over and turned the car off for a couple minutes.Reduced engine power - Now won't start. Jump to Latest Follow 21 - 40 of 42 Posts. 1 2 3. R. RIT333 · Registered. Joined Jan 2, 2010 · 11,358 Posts #21 · Apr 10, 2017. Only show this user ... GMC Terrain, Equinox, and …Producing cement, the main ingredient in concrete, creates 5% of global carbon emissions. The world is becoming increasingly urban. With buildings rising rapidly into city skies, c...Hello members, Ive got a 2020 gmc terrain with the 1.5. My wife was driving it the other night and the reduced engine power light came on. I done some research and figured it was icing in the intercooler due to below freezing temps that night. However, the next day it warmed up to more than 50 degrees but still had the same issues.The 2019 GMC Terrain has 25 NHTSA complaints for the engine at 27,668 miles average. (Page 1 of 2) ... *Check engine light on, engine power is reduced is on, vehicle is surging up and down while ...

DENALI. STARTING AT $38,600†. SEATING UP TO 5. CITY/HWY 23/28 MPG†. Key Features: 1.5L Turbocharged Engine. All-Wheel Drive. Head-Up Display. Bose 7-Speaker Premium Audio System.1.) You should edit your Title and remove "6Cyl". If you have the 2.4L "EcoTec" Engine, it's a 4-cylinder. 2.) If it's due for an Oil Change, you better at least check the Level on your DipStick and top it up if it's Low (if you're not going to change it right away). You don't want to run these Engines low on Oil.The sensor will be biased at a high reading when the actual pressure is lower thus not regulating the fuel trim correctly and making for a rough idle, lack of power and several other symptoms. You can verify this with a scan tool that has the capability to look at sensor parameters at idle. The Ford fusion has the same fuel system and I replace ...Advertisement Skid steer loaders and multi terrain loaders are versatile machines, and are fairly easy to operate. They can turn within their own footprint, just like a tank. There...

Can you lock the volume on an ipad.

Engine Power Reduced. I am a user of GMC Acadia SLT AWD 2009 since last one year. I faced the problem of reduced engine power while driving after a long journey of around 900 Kms. It happened after the third Fuel fill from the highway side fuel station (I generally refill fuel after 400 kms). All of sudden, I smelled fuel vapors, the engine ...To answer the question, the check engine and reduced power light indicate that a malfunction was detected on the vehicle powertrain system. The Reduced power is a limp mode in order to protect the engine. ... Hello, I have a 2013 GMC Terrain and the check engine light came on after the catalyst and exhaust along with the o2 sensor was replaced ...The 2007 GMC Sierra has 1 problems reported for reduced engine power. Average failure mileage is 15,000 miles. ... GM Fuel Pump Lawsuit Affects Chevy Equinox, GMC Terrain news | 6 days ago; May 7: ...The 2013 GMC Terrain has 7 problems reported for engine power reduced. Average repair cost is $1,000 at 65,950 miles.Aug 28, 2016 · 2011 Terrain P0420, P0016, P0089, P228D Engine Power Reduced. My Terrain basically died yesterday and I'm going to be getting it towed to the dealer tomorrow, but wanted to get an idea of what I might be in for. The CEL lit up a few weeks ago with the first code, P0420, the Catalytic Converter Bank 1 was below the efficiency threshold.

Overview of what an "Engine Power is Reduced" Message is on a Chevy Equinox.Read here for more information: https://www.backyardmechanic.org/what-is-engine-p...Strange how it starts off as a Stabilitrak service message and service engine then reduce engine performance. I was told that the codes pointed to the Stabilitrak, service engine, reduced engine performance, service TB and a loss of communication. The last caused me to doubt the service manager when he said that the TB needed to be replaced.S. scottfern Discussion starter. 43 posts · Joined 2015. #1 · Mar 4, 2015. I just bought a used 2014 GMC Terrain 2.4L with 14k miles and I noticed that whenever I start it up in the morning that the engine feels rougher and a little shaky with small vibrations until I actually get it going. I am just concerned could I have a dirty MAF, or ...Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain ... 08 2500 HD-recently had the (engine power reduced) and this is the first time this has ever happened to my truck. My cruise would work sometimes and not sometimes. ... TOYO All Terrain Grapplers 265 70R 17 summerUnless I'm mistaken, the TPS is integral to the throttle body and cannot be serviced seperately. I have yet to see a GM vehicle with a reduced power message/ TPS code that didn't need a throttle body. Cleaning first is always suggested, but I've never had it work. 2013 Terrain SLT1 Onyx black/black leather<br />18" Moda MD14, debadged, blacked ...The Reduced Engine Power, Service Stabilitrack, engine light and traction lights came on. I stopped, turned off the engine and let it sit a few mins and started running again normally. It went into the dealer today, it was a bad throttle body and it was covered under my warranty, I am right at 48,000 mi. Hope this helpsShow example GMC Terrain Reduced Power light is on Inspection prices A Reduced Power light usually indicates a fairly serious problem with the throttle system. When this light illuminates the vehicle will often go into a “safe mode”, which will severely limit the speed of the car and in some cases will render the vehicle un-drivable.Common GMC Terrain Check Engine Light Codes. There are numerous check engine light codes that can vary depending on the specific issue. Some common codes include P0300 (random/multiple cylinder misfire detected), P0420 (catalyst system efficiency below threshold), and P0171 (system too lean). It is crucial to identify the specific code to ...These are the 12 best waterfalls in Utah you can visit. For information on hikes and what to know about permits and tours, read the full article linked in the story. Photo: Cole Sm...

I have browsed through the various topics on this and have been unable to find a conclusive solution to the problem. We have a 2012 Terrain 2.4l AWD with approx 140,000km on it. A few months ago the vehicle began to idle rough when stopped, it has progressively been getting worse. It began only in eco mode when stopped, and only from time to time.

11367 posts · Joined 2010. #2 · Jan 13, 2013. Dakid0813 said: We purchased this equinox used about a year ago. After a month I noticed that the engine ticked a lot. Now about a year later the engine warning light came on , it was down 2 QStack of oil. Had the oil changed and everything was fine but it still ticked.GMC Terrain (VIN L) 2011 2011 3.0L (LFW) Terrain 2012 2017 2.4L (LEA) 3.6L (LFX) Page 2 March, 2020 Bulletin No.: 18-NA-072 ... • Reduced engine power • Reduced Engine Power message displayed on DIC • MIL illuminated Some customers may also comment that the MIL and Reduced Engine Power message displayed clears after cycling the ignition key.Feb 18, 2022 · I HAVE had a bad experience with my GMC terrain 2012 SLT, and I have been the only owner, I am an elderly person, the first problem the car had was a spring for the engine valves, it cost 850 dollars, secondly the traction system, it cost 1850 dollars, third air conditioning evaporator, because of how difficult it is to get a cost of 1000 ...For 2016-2019 Buick Envision, 2018-2019 Chevrolet Equinox and 2018-2019 GMC Terrain, refer to Bulletin 18-NA-020 for further diagnosis. For all other vehicles, refer to SI for further diagnosis. Version. 3. 1. Modified. Revised February 20, 2019 - Ended the need for information from the field. Revised March 29, 2019 - Updated the ...#1 · Aug 9, 2023. I haved engine power reduced warning,engine power was limited,after i stoped and start driving again no engine power limited.Ihave this fault time to time. On …The gmc reduced engine power is a frustrating issue that can negatively affect the truck's performance. It is essential to address this problem as soon as possible to prevent further damage. If you notice the gmc reduced engine power message on your truck's dashboard, take it to a trusted mechanic or dealership to diagnose and fix the issue.1. Fix and Wait. The best way to clear the check engine light is to pull the trouble code, identify and fix the issue and then drive your Terrain around until the module that threw the code recognizes that the problem is fixed. Sometimes it can take a few drive cycles for your vehicle’s check engine light to shut down.Engine power reduced. Jump to Latest Follow 1K views 2 replies 3 participants last post by stef.fonemd82 Aug 10, 2023. Fone Discussion starter 2 posts · Joined 2021 Add to quote ...

Piedmont henry er.

Mid90s full movie google drive.

We have a 2019 GMC Sierra 3500 HD Denali with the 6.6L Duramax TD L5P. The truck currently has 6,124 miles on it. This morning, when I went to start it, the DIC showed two messages: - Service Stabilitrack. - Engine Power Reduced. Both the Stabilitrack and Check Engine lights were illuminated. When I placed the truck into reverse, the back-up ...Reduced Engine Power. Just bought a 2020 GMC Terrain SLE 1.5 4 cyl. only 340 miles. Just had the Engine light come on with Reduced Engine Power displayed on the dash. On Star tells me there are three codes. Its now setting in the dealers lot waiting for Monday Morning.Low coolant level. One of the primary reasons for engine overheating in Terrain is a low level of coolant or antifreeze in the cooling system. Coolant plays a critical role in regulating the engine’s temperature by dissipating heat. When the coolant level is low, there is not enough fluid to absorb and transfer heat away from the engine.150,000 MILES. Upon cranking it continues to turn over when you let go of the key (in the run position). Radio takes a minute to to come on. Then service stabilitrak control light comes on then reduced engine power is displayed on vehicle information center RPMs will not go over 3,000.This Youtube is in regards to the Chevy Cruze. . . . but the same info should apply. 2019 GMC Acadia SLT-1 3.6L LGX V6 - Build Date: 4-11-2019 - Bought 6-22-2019. SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015 *. SOLD with *38,865 miles 8-15-2019. 1 Reply.The GMC Sierra 1500 is a great choice for anyone looking for a reliable, powerful, and stylish truck. Whether you’re looking for a workhorse or a weekend warrior, the Sierra 1500 h...The 2019 GMC Terrain has 25 NHTSA complaints for the engine at 27,668 miles average. (Page 1 of 2) ... *Check engine light on, engine power is reduced is on, vehicle is surging up and down while ...Stabilitrak and traction control needs Servicing with the message of reduced engine power have to turn off and restart engine to get it to full power but message reappears after a few minutes & engine light is on. Recommended Services. Traction Control Light is on Inspection: $94.99 - $114.99: ….

2013 gmc terrain engine power reduced: 7 complaints. Alleged engine power reduced defect in chevy malibu vehicles promptsReduced chevy luce motore tachimetro controlli esposizione licht affichage tachymètre lumière vecteur vérifiez carparts alleged defect prompts lawsuit hoge intentionally .. 2013 GMC Terrain Engine Power Reduced: 7 ...2013 gmc terrain engine power reduced: 7 complaints. Alleged engine power reduced defect in chevy malibu vehicles promptsReduced chevy luce motore tachimetro controlli esposizione licht affichage tachymètre lumière vecteur vérifiez carparts alleged defect prompts lawsuit hoge intentionally .. 2013 GMC Terrain Engine Power Reduced: 7 ...2013 gmc terrain engine power reduced: 5 complaints Engine power is reduced gmc terrain 2013 gmc terrain pros and cons at truedelta: 2013 gmc terrain denali v6. Engine Power Is Reduced Gmc Terrain. Gmc terrain reduced engine power 2013 gmc terrain sle 2.4 liter flex-fuel sidi dohc 16-valve vvt 4 Gmc terrain wiring schematicsWait for approximately 15 minutes to allow the vehicle’s electrical system to fully discharge. After the waiting period, reconnect the negative battery cable to its original position on the battery terminal. Ensure that it is tightly secured. Start the engine and check if the reduced engine power mode has been reset.The "reduced engine power" problem seems to only happen on start up right away and when the truck is warm. I am also getting a check engine light with codes P1516,P2108 and C0107. The codes are pointing me at replacing the Throttle Actuator Control Module. I'm taking suggestion before I just start throwing parts at it.I have a 2015 GMC Terrain AWD 2.4L. I had the service stabilitrak message along with the flashing check engine light and the traction control light come on last night. The vehicle went into reduced power mode as well. It pulled codes P0300 and P0353.Show example GMC Terrain Reduced Power light is on Inspection prices A Reduced Power light usually indicates a fairly serious problem with the throttle system. When this light illuminates the vehicle will often go into a “safe mode”, which will severely limit the speed of the car and in some cases will render the vehicle un-drivable.Aug 9, 2023 · Fone Discussion starter. 2 posts · Joined 2021. #1 · Aug 9, 2023. I haved engine power reduced warning,engine power was limited,after i stoped and start driving again no engine power limited.Ihave this fault time to time. On the scaner showed something like engine boost….. What could be?Service stabilitrak light comes on and the engine power is reduced. Happens while driving at any speed or stopped as well as on clear dry roads. Have to shut off and restart car multiple times to get full engine power. See all problems of the 2010 GMC Terrain . Engine power is reduced gmc terrain, The reduced engine power warning light shows that something has reduced the flow of fuel and/or air to the engine. It often turns on when a car needs maintenance or repair and doesn’t mean your vehicle is about to break down, but it could be a good time for an oil change. Sometimes reduced engine power can also turn on when …, GMC Acadia: Engine Power Reduced. Many late model GM-made vehicles, such as the GMC Acadia use an “Engine Power Reduced” mode when they detect a potentially catastrophic problem. Reduced engine power has been known to come on at very inopportune times (such as while driving on the highway). Many components can cause the engine power to be ..., If the check engine light in your 2019 GMC Terrain starts flashing, that means that the problem needs attention immediately and your GMC should be brought in instantly. A flashing light indicates that the problem is exceptionally serious and if not taken care of immediately may result in major and significant damage to the vehicle., Oct 10, 2022 · I have a 2013 Chevy Equinox. 100,000 miles on it. Bought it new. I’m having a problem with rough idiling, engine power reduced, service stabilitrak and abs light all came on at once. Code says fuel rail sensor even after replacing both fuel rail sensors, new throttle body, high flow fuel pump..., 2010 GMC Terrain V6 - Engine Power Reduced, Service Stabilitrak with codes. Jump to Latest Follow 21 - 37 of 37 Posts. 1 2. Colt Hero · Registered. 2011 Equinox 1LT V6 3.0L FWD 196k miles Joined Feb 8, 2011 · 5,427 Posts ... GMC Terrain, Equinox, and SRX Forum. 206.5K posts, Re: 2011 Terrain AWD 4 cyl surging / jerking at idle Thanks man - appreciate the videos. I posted another thread with new symptoms. But the check engine light came on for a few days and then went off. But now the car is stalling at low speeds (usually under 10 mph)., TechCrunch tested the 2024 GMC Hummer EV SUV in the soggy hills of Napa. Our take? It's better than the Hummer truck and built for chaos. The Hummer is and always will be, a study ..., Are you an outdoor enthusiast looking to explore rugged terrains and go off the beaten path? If so, a Mahindra all-terrain vehicle (ATV) might be just what you need. The engine pow..., Engine Power Messages. ENGINE POWER IS REDUCED. This message displays when the vehicle's propulsion power is reduced. Reduced propulsion power can affect the vehicle's ability to accelerate. If this message is on, but there is no observed reduction in performance, proceed to your destination. ... GMC Terrain 2018-2024 Owners Manual: Driving for ..., Jan 7, 2023 · Since one of the most important safety features of the car is not working as it should, most of the time the engine's power might be reduced to not allow excessive speeds in these conditions, so don't be too surprised if a feature that is related to braking your car will not allow you to accelerate either., I have a 2010 GMC Terrain SLT, and this morning i looked up how to get rid of the "reducing engine power' warning, I have found that by cleaning the throttle body will do so. after cleaning the throttle body and a test drive around the neighborhood, the same warning came up. will i have to get a new throttle body or will i need to reset the MAF sensor?, And as far as "Reduced Engine Power Mode" (REPM), the only time I've seen reference to that in my Helm Shop Manuals is when the Throttle Actuator Control (TAC) System is described. ... I HAVE had a bad experience with my GMC terrain 2012 SLT, and I have been the only owner, I am an elderly person, the first problem the car …, Top 81+ images land rover reduced engine performance2013 gmc terrain engine power reduced: 5 complaints Gmc terrain engine power reduced2011 gmc terrain v6 engine 3.0 good condition fits on chevy equinox and., We have a 2019 GMC Sierra 3500 HD Denali with the 6.6L Duramax TD L5P. The truck currently has 6,124 miles on it. This morning, when I went to start it, the DIC showed two messages: - Service Stabilitrack. - Engine Power Reduced. Both the Stabilitrack and Check Engine lights were illuminated. When I placed the truck into …, The most common problems drivers experience in the 2020 GMC Terrain include a glitchy infotainment system, some acceleration issues, and occasional—but serious—brake failure. The Terrain is a solid compact SUV with all the essentials you need, from a spacious interior to good fuel economy to a peppy engine. It may not be the top player in ..., Buying a used GMC Sierra 1500 can be a great way to get the most value out of your purchase. The Sierra 1500 is a reliable and powerful truck that offers plenty of features and cap..., CITY/HWY. 9.8/8.1 L/100 KM †. Key Features: 1.5L Turbocharged Engine. Hands-free Programmable Power Liftgate with LED Logo Projection. Heated Steering Wheel and Fold-Flat Front-Passenger Seat. GMC Pro Safety †. VEHICLE DETAILS BUILD & PRICE. AS SHOWN: $42,044 †., Aug 16, 2019 ... We are fixing a sputtering dying rough idle engine on a 2012 gmc terrain 2.4l 4 cylinder engine. I started by removing the MAF sensor a ..., 2022 Terrain here. Going through the same thing (check engine light/reduced power). Up here in Canada where this week it has been the -40 C windchill range. Winterfront is on car. After this weekend, I am taking it to the dealer to see if it’s a turbo issue (my Trax did the same thing.. turbo would freeze up) or not., GMC Acadia: Reduced Engine Power Causes. As stated above, following the codes is the best way to fix the Engine Power Reduced warning in the GMC Acadia. But, here are some of the most common reasons the code comes on. Throttle Actuator Control (TAC)- The TAC module and control motor work together to open the throttle on drive-by-wire (computer-controlled) systems., 11367 posts · Joined 2010. #2 · Jan 13, 2013. Dakid0813 said: We purchased this equinox used about a year ago. After a month I noticed that the engine ticked a lot. Now about a year later the engine warning light came on , it was down 2 QStack of oil. Had the oil changed and everything was fine but it still ticked., #1 · Jan 5, 2015. Hi everyone, new to the forum. I have a 2010 Equinox with the 4 cyl ecotec motor with 63k on the clock. I started to get the dreaded reduced engine power and stabilitrak messages and the car would go into limp mode., 2489 posts · Joined 2017. #2 · Feb 9, 2023. May be a dirty throttle body at your mileage since it's acting up at idle. Throttle closes then slightly reopens to maintain engine speed and is sticking closed stalling it due to normal high mileage build up is my guess. John "some suffer from insanity; I choose to enjoy it"., The LE5 is a 2.4 L Ecotec engine. Compression is 10.4:1. Power is 164-177 hp (123-132 kW) and torque is 159-170 lb·ft (215-230 N·m). The engine uses a reinforced "Gen II" block. ... A forum community dedicated to GMC Terrain, Chevy Equinox, and Cadillac SRX owners and enthusiasts. Come join the discussion about modifications ..., Dec 14, 2013 · If the engine light is on, can be a chronic issues with 2011 terrain manufactured between May and September 2011. Star up noise , loose of power, rough idle, etc are some of symptoms. Dealers replace actuator, solenoids and reprogram the computer to try to fix. Good luck, Reduced engine power - Now won't start. Jump to Latest Follow 21 - 40 of 42 Posts. 1 2 3. R. RIT333 · Registered. Joined Jan 2, 2010 · 11,358 Posts #21 · Apr 10, 2017. Only show this user ... GMC Terrain, Equinox, and SRX Forum. 207.1K posts 42.8K members, Engine Options, Horsepower and Acceleration. Engine: turbocharged 1.5-liter four-cylinder with 175 horsepower and 203 pound-feet of torque. Drivetrain: standard front-wheel drive; available all-wheel drive. Transmission: nine-speed automatic. The Terrain only has one engine, a lackluster turbo-four., garbec01. 556 posts · Joined 2011. #4 · Jan 20, 2020. Interesting that there is a new charge air cooler part number; must have had some design flaws in the original. . 2019 Chevy Equinox; 2.0 - LT - FWD - Silver Ice/Redline - Purchased 10/20/2018; Mills Chevrolet, Davenport IA. 2016 Chevy Equinox; 3.6 - LTZ-AWD - Black/Black - Purchased 7/7 ..., Loads of GM owners are getting the death message "reduced engine power" on the dash - Mark wants to know the exact root cause of this well known issue so he ..., Thanks to the EPA for helping to ensure our trucks are not safe if something goes wrong. 2018 Colorado ZR2 Diesel CCSB Satin Steel, 1" RC leveling kit, 285/70/17 Falken Wildpeak AT3Ws, A.R.E. V-series topper, Peak add-a-leaf, Timbren active off road bump stops. 2013 Cadillac ATS4 3.6 Performance Thunder Gray Chromaflair., Engine: Transmission: from to from to Chevrolet Equinox 2018 2018 SOP January 01, 2018 All All GMC Terrain Involved Region or Country United States, Canada, Mexico, Middle East, Israel, Palestine, Brazil (Mercosur), Chile ... Some customers may comment on a Steering Assist Reduced (1), Service Stabilitrak (2), as shown in the pictures above ..., The 2019 GMC Terrain has 25 NHTSA complaints for the engine at 27,668 miles average. (Page 1 of 2) ... *Check engine light on, engine power is reduced is on, vehicle is surging up and down while ..., The throttle body sensor may be the cause of service stabilitrak engine power reduced GMC terrain. When the throttle body sensor fails, it causes the engine to run poorly and may cause the service stabilitrak engine power reduced GMC terrain. In order to fix the issue, you will require to replace the throttle body sensor. ...