Gmc yukon won t accelerate. com/htfirpes/cottagecore-name-generator.

5/21/2020 · Tl-the contact owns a 2008 GMC Yukon . 7 liter V8. My battery died two days ago, and I replaced the battery, ever since my A/C won't engage or turn on. May 25, 2016 · Won't accelerate Jump to Latest 21K views 11 replies 7 participants last post by MAG 2012 GMC DMAX Apr 18, 2017 Aug 29, 2011 · I have a gmc yukon XL, and the check engine light comes on also dash lights, and gauges stop working sometimes when i crank the truck up. this problem still persists. One of the most common causes of whining noises coming from under the hood of a GMC Yukon is the SOURCE: gmc yukon has the abs & parking brake light you have to fix the problem with ur brakes- first check the wiring ,connectors and connection clips to the abs sensors and modulator if looks ok than have truck scanned some auto stores such as auto zone / advanced auto do it for free the code will give u a start point towards fixing ur problem--visual inspection of brakes doesnt always show Oct 23, 2023 · The opposite can also happen. Feb 28, 2020 · Last week, my 2021 GMC Yukon w/40k miles began sputtering/jerking at slow acceleration into higher gears. It's just from an idle, typically at a stop light. The sound is there only in the first 5-10 MPH of speed, then once I'm up to speed, it's gone. Though this doesn’t happen all the time. It also sometimes hesitates when shifting at low speeds 10-30mph. the first thing to check with any vehicle that wont maintain idle is crud build-up in the throttle body. Apr 21, 2018 · The 2016 GMC Yukon has 46 NHTSA complaints for the electrical system at 29,889 miles average. I have removed all the HVAC &AC fuses and relay's to see if it resets itself. 761 Great Deals out of 12,613 listings starting at $2,950. Tonight on the way home the traction control light, engine light, and brake light came on. No problem most of the time, and if I accelerate slowly, it runs perfectly, smooth as silk. Fluid level is good and clean, no leaks. 701 Great Deals out of 12,907 listings starting at $1,695. Turns out that the hub nut need to be tightened. and is doing it more often. The code does not stay on the display, but disappears right when acceleration begins again Oct 18, 2021 · Why Won’t My Car Accelerate Properly? 8 Common Causes . After taking care of that, the ABS warning light and the Traction Control warning came on at the same time. This noise could indicate a potential problem with your vehicle that needs immediate attention. A few things can cause an engine to misfire. It is not safe to drive with a bad accelerator pedal position sensor. A bad one here won't cause problems in the engine but can set the SES light and cause a failed emissions test. When accelerating from a stop, sometimes there is a pause (no power) of about 1-2 sec. Make sure the connections are tight. The pedal sensor sends information to the engine control module about how much you want to accelerate the engine, which then sends this information to the throttle. Its behavior has not really been any different than when I got it a year ago. Sometimes, your GMC Yukon might produce a grinding noise when starting due to a damaged flywheel. Car Service Estimate Shop/Dealer Price; 1998 GMC Yukon V8-5. Oil changed 800 miles ago. Why Won’t My GMC Yukon Start In The Cold Weather? 2. But the opposite can actually happen! Nov 24, 2014 · x2 on the tune up items! always start with the basics. Its not a replicable item unless you 1st void the system of freon, replace then fill it back up. A/C was working before dead battery I have a 00 GMC Yukon XL SLT with automatic climate control with rear climate control. They can provide valuable insight as to what the problem may be and help you narrow down A GMC Yukon XL will depreciate 43% after 5 years and have a 5 year resale value of $48,670. A car that won’t go into reverse is frustrating at best and may even be a safety hazard if you’re unable to back out of a dangerous situation. May 6, 2009 · Hi, I have a 2009 GMC Yukon XL 1500 4x4, 5. There is a. Unfortunately, gaining access to the linkage might require removing the door panel. Mar 31, 2018 · Engine won't accelerate. Left it running and tested the fuel pressure at 43psi. Flywheel or Flexplate Missing a Tooth. Apr 22, 2022 · One of the most common reasons your car won’t accelerate when you press the gas pedal is because your air filter is dirty or clogged. and this rarely sets a code Nov 10, 2019 · The thermostat in your GMC Yukon's engine plays a crucial role in regulating its temperature. We’ve made a table to help you try and narrow them down before reading through all of this. I got a rebuilt tranny about 11 months ago n the car was running great for about 4 months. If you have a GM Truck and the vehicle will not crank over it might be a simple problem causing the issue. Why Won’t My GMC Yukon Start Just Clicks? 2. Mar 23, 2023 · Problems in the ignition system, especially with spark plugs and spark plug wires, can lead to hesitation or stumble as you accelerate. Nov 18, 2022 · when the tank wont fill right, or clicks off like its full repeatedly as you fill it, thats the charcoal canister. Car won't accelerate . A professional mechanic Sep 29, 2019 · If your GMC Sonoma won't accelerate, that is a serious cause for concern. No check - Answered by a verified GMC Mechanic While no one wants a transmission problem, read on to be prepared if you have a car that won’t go into reverse. Then I took it to the dealership and they thought it might be the Apr 13, 2021 · 2005 Tahoe won’t accelerate but if I push the traction Control Sensor (TCS) it woks normal otherwise is not. While trying to drive, I cannot go … read more Mar 20, 2009 · No problem BD, we can not expect you guys to sit around on a Friday night waiting to help us! The scanner I rented is a Autoxray, Code Scout, and again said there were no codes. However, problems with the gas pump or a clogged gas tank can also cause some issues. Use a scan tool or code reader that graphs data to determine which APP sensor is triggering P2138. The time varies as to when this happens but will definitely happen within 20 minutes of driving. When i accelerate When i accelerate You have a coil on plug (COP) the boot houses the spark plugs and apparently the spark seek the least form of resistance and that is your engine block, this is what you call a misfire, if you do the tune up yourself you ll see the boot are worn and how it penetrated Jul 12, 2019 · The vehicle will start but will not accelerate car will move but only about walking speed one mile per hour. A loud whining noise almost like a race car. These include a blown fuse, bad window motor, wiring issues, and the switch. What Does It Mean When Your Car Won’t Go In Reverse but Drives Fine. My car will not shift to third gear n it wont go pass 35-40 mph without the rpm going higher. Pay attention to any unusual noises while operating the door and inspect the lock and handle for signs of wear or damage. 99: Shop/Dealer Price $124. 99 - $132. 7L - Sold 2009 GMC Crew Cab, Short Box SLT LMM - Sold 04. 2007 GMC Yukon XL 1500. Here are some examples of the cost to fix common causes of reduced engine power in a GMC Yukon: Throttle position sensor (TPS) replacement: $100-$200 Jun 16, 2020 · I know there is a lot of info On the subject my specific problem is it won't go into park and it won't go into 3rd 2nd or 1st and there is a ton of slop at the shift lever it's not the solonoid linkage ive checked that its all hooked up there's just a ton a slop like almost like there's a bolt Jan 27, 2022 · RPM revs but won’t accelerate in reverse or drive. Aug 29, 2023 · When your car won’t accelerate properly, it can have a significant impact on your fuel economy. 7 Q7. Used GMC Yukon. Turned it off. Recently, more vehicles 9/26/2019 · If your GMC Yukon won’t accelerate , that is a serious cause for concern. Engine Mar 30, 2024 · It is not advisable to drive when the check engine light starts flashing. Any guidance is appreciated. I went up a hill n stepped on the gas Oct 5, 2012 · i would first clean your mass airflow sensor since you installed that k&n system, K&N filters come soaked with oil from the factory and are notorious for coating mass air flow elements which will read incorrect intake air temp, incoming air volume in grams per second and engine load, which will cause the lack of power, and in alot of cases transmission shift flares. 1K members Since 2009 A forum community dedicated to GMC Terrain Sep 26, 2019 · There are so many reasons your Envoy won’t accelerate. would not accelerate. But when you accelerate past 1000 RPM the engine "bogs" down and sputters, and sometimes backfires under the hood. after all is clean put the hose back on making sure there are no Aug 31, 2023 · When dealing with a GMC Yukon door that won’t open, it’s crucial to identify the underlying cause. 2001 Suburban LT 2WD, 5. Misfiring Engine. I have a 1999 Yukon Denali with a 5. When a car won’t accelerate properly before warmed up. A low clutch fluid or slipping clutch could mean poor acceleration as the transmission is not appropriately engaging with the engine. I pulled over, checked my fluid level. We've made this guide to quickly help you get back on the road if your vehicle doesn’t shift into gear. In this video we look over specifically why the s Noises Problem 2001 Gmc Yukon 70000 Miles I Have Recently Noticed A Distinctly Audible, But Not Loud, High-pitched Whine/whistle Asked by wdockery · 7 ANSWERS Jul 2, 2018 · Drove on the freeway for about 25 minutes. When in park, motor accelerates properly. With the engine running and your car put in “Park,” lightly press on the gas, and watch the graph on the scan tool to make sure the data doesn’t dip or spike drastically (1:59 in the video above). Was able to jump onto an offramp and drove it into a truck stop. The engine starts nicely, and idles around 700-800 RPM, which I think is normal. Have not started inspecting yet as it’s negative degrees outside and 5am. A misfire is the most common reason your GMC Yukon jerks while accelerating. 2000 rpm I have a 2003 GMC Yukon. A thermostat failure I can come to a stop, but when I go to accelerate and/or turn, my car just won't. I put the truck back in drive and press the gas and the engine just revs, in both drive and reverse. 4 days ago · A faulty throttle position sensor will not let your car accelerate normally. Report; Follow; Asked by Alhambra_670 Dec 10, Used GMC Yukon. Truck would not start back up for about 20 to 30 minutes. (Page 1 of 3) the vehicle would not accelerate above 35 mph and the RPMs we-€™re to the max Jan 7, 2016 · The symptoms mentioned before can result in reduced vehicle performance, increased fuel consumption, and potential damage to the transmission system over time. However, the average cost is between $200 and $1,000. Then it started missing and kind of jerking. . if the cel flashes the cats Feb 5, 2013 · SOURCE: i have a 2002 gmc yukon denali. 2. No codes, no other problems. To confirm these problems, find a stretch of open road where you can safely conduct a quick test. 4 Q4. If your car won’t accelerate but RPMs go up there are a couple of factors that may be the reason and this article will show you 5 reasons and why a car won’t accelerate past 40 and even the reason why a car won’t accelerate past 20 and so on. the car sounds fine in idle but when trying to accelerate sounds like whi … read more Jan 27, 2017 · My car has only done this twice. Sep 26, 2019 · If your GMC Acadia won't accelerate, that is a serious cause for concern. This usually happens between 5-15 mph after coming to a complete stop then starting again. I disconnected the both batteries, once for an hour, and had the same results. Worn or Damaged Components. 4K posts 44. 3, V8 311,000 miles, leaks oil now at rear main seal stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u-joints; rear diff new bearings; 2nd fuel pump and fpr; ABS pump circuit solder reflowed; 4th water pump; 2nd fan clutch; new front wheel bearing units; new front and rear shocks; 1000# rear air springs, Brake fluid Sep 26, 2019 · If your GMC Sierra won't accelerate, that is a serious cause for concern. In some cases, this issue may be related to the transmission or the shift lock control ECU/solenoid. Only seems to be an issue at the upper speed range, not below 40mph. 3L V6 FFV VVT locking rear end 33,000 miles no codes, using bluedriver scanner red; What I have done so far: Mar 29, 2020 · I have a 2006 Yukon Denali XL. All you need to do is get behind the wheel, watch the tachometer and speedometer readings (or get a passenger to watch it for you), and accelerate. If your check engine light is on, get a code scanner and see what trouble codes are stored in the PCM (powertrain control module). Sometimes when I accelerate, there will be a loud growling noise in the rear end that sounds just like a bad Muffler, however, I had the muffler inspected and they said there was nothing wrong with it. If the fuel pump is failing, it might not be able to keep up with the engine’s demands, causing a noticeable drop in power as you try to accelerate. The chart below shows the expected depreciation for the next 10 years. Power Window Won't Go Up Causes: GMC Yukon Aug 23, 2023 · Why Won’t My GMC Yukon Start But Lights Work? 2. It seems to only do it when I hit speed bumps. Jun 23, 2022 · How to diagnose code P2138. These results are for vehicles in good condition, averaging 12,000 miles per year. Engine does not run efficiently Jan 12, 2017 · Ill have a video up shortly. Serpentine belt issues. this caused corrosion and the symptoms your describing. Why Won’t My GMC Yukon Start But Cranks? 2. Jul 11, 2023 · Last updated on July 11th, 2023 at 05:47 pm. its pellets broke free and are clogging up a vent line. 2 L engine, which after 10 minutes of driving will stall when you stop for a signal light. When it should be going 1st to 2nd gear. did it twice today and once while i was in the middle of an intersection making a left turn and there was oncoming traffic that wasn't too pleased with me! Sep 8, 2023 · Traction Control Light On And Car Won’t Accelerate. The leading cause of clicking noise and no start in GMC Yukon is weak battery. If you have to drive, make sure to take it easy on the accelerator and avoid high speeds. Jun 15, 2020 · I have a 2015 GMC Yukon XL (140k), I was driving home from work, maybe 4 miles from my building and my transmission starts slipping. Aug 23, 2023 · If you own a GMC Yukon, you might have come across a situation where the vehicle won't move in drive or reverse. Used Chevrolet Tahoe. 3 from 2015, the engine is not working round. Ted Nov 27, 2012 · 2004 Yukon Denali came home with wife yesterday. To figure out the root cause of the problem, you (or your mechanic) will need to do some troubleshooting. Why Won’t My GMC Yukon Start But Radio Works? 3 Conclusion Jul 11, 2023 · A malfunction in one of the components of the EVAP system of your GMC Yukon can cause it not to take in fuel. 8 Q8. 07 Yukon 180k miles. The steering wheel locks up and you can not go forwards or backwards. 2012 GMC Yukon. The stabilitrak light will also come on. When your air filter is dirty or clogged, it can’t properly do its job of filtering out impurities and pollutants from the air that enters your engine, and a clogged filter can actually limit the amount of Nov 1, 2019 · Here are the most common issues that cause your Yukon to jerk when accelerating: 1. Scraping noise from the front drivers side hub. You need fresh new spark plugs or wires. If you’ve noticed a strange whining noise coming from your GMC Yukon when you accelerate, it’s essential not to ignore it. 0 no codes but motor wont accelerate when pedal is depressed. I can come to a stop afterwards, but when I go to accelerate or turn, it won't. The rpm is too low (500rpm on idle) and while trying to accelerate the engine is not running well. At a stop sign or a green light, when I accelerate slowly, the engine cuts power and the "traction control" displays on the computer. why Car Won’t Accelerate but RPMs Go Up Automatic. Does anyone have a clue on this? Jun 22, 2020 · If it is dark, burnt, or past the time that GMC wants it changed, replacing the fluid may stop the transmission from shifting hard. or the level sender is broken and wont read full anymore or shows empty when its got a 1/4 tank. Jump to Latest GMC Terrain, Equinox, and SRX Forum. Jan 19, 2016 · This could cause a serious safety hazard, as the driver is not able control the speed or acceleration of the vehicle. Mods to come 2011 F250 Lariat 6. May 14, 2017 · Slight acceleration and no noise and immediately when release(not braking) hear it. Hesitation occurs when trying to accelerate out of a corner after slowing down, such as when turning from one street onto another … read more Jan 7, 2017 · In extreme cases, if your transmission is severely slipping, it won’t move at all. Recent GMC Yukon XL 1500 Jul 26, 2009 · 2003 GMC Yukon: way home. Another reason for the GMC Yukon shifting hard could be damaged or worn internal components, such as the shaft seal or gasket, which, when they fail, can cause the transmission to Nov 2, 2019 · The problem I have had is that when I first accelerate from a stop, I hear a severe grinding noise that seems to come from the front driver wheel. Aug 10, 2005 · 2011 GMC 2500HD Denali CCSB, DVD, Nav, Sunroof etc. 2000 - 2006 Tahoe/Yukon/Escalade Models. Why Won’t My Car Accelerate? The most common reason why a car won’t accelerate is due to a faulty throttle body or a faulty air-fuel mixture. Truck Specs. The engine runs a little bit rough and every 20 seconds or so the engine starts to rev up and down from 400 to 1100 rpm, kind of aggressively in my opinion. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. When the traction control light is on and your car won’t accelerate, it’s often due to a malfunction in the traction control system. It almost sounds like grinding gears in a manual. If I gently press down on the petal I can accelerate, but the moment I try and step on it I get the symptoms described above. Jul 26, 2023 · Why Your GMC Yukon Is Making A Whining Noise When Accelerating. The flywheel is an essential component that connects to the starter motor, helping crank the engine during the start-up process. Mar 16, 2022 · Replace it with battery disconnected, reconnect and see what happens. These tips will help you get your vehicle's StabiliTrak system back to its optimal condition. May 28, 2017 · When you find a bad one replace them. 208. 3. It can be both frustrating and worrisome when this occurs, but don't panic. 1. This winter, it started throwing a code that reads "Traction Active", at the same time bogging down as if the engine is dropping RPMs. Jul 27, 2007 · 2003 GMC Sierra 2500HD Crew Cab, Bully Dog Downloader, 5" Exhaust(No Muffler), PPE Boost Valve, Banks Wastegate/Actuator, Cold Air Intake Feb 12, 2023 · In this article, I will go through the most common reasons why your car won’t accelerate. Weak battery. Dec 28, 2023 · So, when your GMC Yukon starts to make abnormal sounds when you are accelerating, it can be a cause of concern. You may think that if your car is accelerating poorly, it’s using less gas so your fuel economy should be better. Tested pressure with key on, but not running at 50psi. 49 And if the timing belt is too loose, chances are, it is not correct. Nov 19, 2020 · 2008 Sprinter 2500 170 - camper van. A bad O2 sensor 1 can cause a cat to go bad from a too rich fuel mixture. 5 GMC 2500HD LLY Carbon Metallic - Sold 2003 GMC 2500HD LB7 White - Sold Mar 19, 2011 · have an 01 denali 6. Poor fuel economy is a common symptom of a car that won’t accelerate as it should. Now you know more about these problems and how to address them. Sep 11, 2023 · 4. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. Nov 20, 2022 · 2000 - 2006 Tahoe/Yukon/Escalade Models. 2003 Yukon won’t accelerate past 3,000rpm and chokes/sputters. Feb 21, 2023 · No. A slipping clutch could cause your engine to rev too quickly, but the car won’t accelerate past 70 or other higher gears. . 2014 silverado 1500 WT  4. However, there are no check engine lights illuminated on the dashboard. 7L: Service type Car does not move when I step on the gas pedal Inspection: Estimate $114. This can affect wheel speed sensors, the steering angle sensor, or the traction control module, leading to reduced engine power and limited acceleration. 6 Q6. Most vehicles with an automatic transmission have a linkage that connects the gear selector to the transmission. This is because it indicates that there is a problem with your engine which could lead to further damage if not fixed. If your window won't go up, there are a few common issues that can cause this problem. 5 Q5. Thread starter Rshann5355; Start date Nov 18, 2022; Tags my 2003 GMC envoy suddenly started to make a funny noise and would not accelerate properly. May 29, 2022 · 1. I never changed the spark plugs. You may experience slow acceleration , acceleration surge at both high and low speeds, hesitation or delay in acceleration , and other related symptoms. They will cause your engine to misfire, which means you won’t get power from all the cylinders. I tried putting it in park then in drive and go, but still nothing happens. Here’s some bad news: There isn’t a one-size-fits-all answer as to why your car might not be accelerating as it should. Old or worn spark plugs might cause your vehicle to underperform when the AC runs. use a small nylon brush that wont melt in carb cleaner, take the big hose off at the T-body, hold the throttle open with your right hand and spray the walls of the body and the throttle plate, scrub it out and spray again. rpm actually slows as if it is starving for fuel. Mar 12, 2019 · I have a 2007 Yukon, 6. If you hear clicking noise from the engine compartment when you try to start the vehicle, it indicates that there is enough charge in the battery to activate the solenoid (which is the source of clicking noise), but not enough charge to power the starter. For approx a month. Not sure why but ok. Jul 9, 2020 · I have a 2015 Yukon Denali. Apr 2, 2021 · I am hoping you can help me diagnose why my truck hesitates when I accelerate from a stop nearly every time. The check engine light should almost always accompany those. The scraping continued to the end of the driveway and has not returned. Also when the left turn signal is on the interior light flashes. More often than not, it’s going to be the spark plugs or coil packs that are the culprit. Any vehicles made in 1996 or newer use OBDII codes, which can easily be retrieved from a good code scanner. Weird weird weird! Recently had the front struts replaced from magride tp passive. Feels like a governor is on it. As you can see above, there are only a few reasons why a vehicle won’t accelerate at all. May 3, 2009 · Hey guys. What Are Some of the Common Symptoms of a Failing Mass Airflow Jun 12, 2019 · A properly functioning fuel pump should be able to deliver the required amount of fuel to the GMC Yukon’s engine when you step on the gas pedal. This only happens intermittently, and always when conditions are dry and sunny (I live in Florida). When this occurs, you should pull your vehicle to a safe place off the road and contact a mechanic as soon as possible to inspect why throttle control is not consistent. The problem im having is while in drive its like something holding truck back it wont accelerate but then i put truck in reverse it moves fine can you please give me some information on what this could be. Let’s begin with a quick overview of the possible causes. Oct 9, 2019 · As of yesterday my 15 Tahoe LTZ will not go faster than 85mph. Need some help. Dec 6, 2022 · I'm annoyed with the hesitation when I try to accelerate quickly. Now, this truck has not been driven hard. Dec 3, 2019 · Your GMC Yukon's torque converter is responsible for converting the energy generated by the engine at the flywheel and transferring it to the transmission, creating a bridge between the engine and the transmission. Driving with a bad downshift solenoid is not recommended as it can lead to further transmission issues and compromise vehicle drivability. If that does not work, there is a separate pressure switch on the high side a/c line that forces the fans to run anytime the a/c is on high. Q: Hi. In the GMC Yukon, a bad torque converter is often caused by bad transmission fluid, worn clutches, bad seals, or loose Sep 10, 2019 · If your GMC Yukon is stuck in Park, the odds are that you're not stranded. Doesn't occur at any other time. Jul 7, 2015 · Won't accelerate = won't move in gear? or won't raise RPMs in Park? 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite AirEFI'd by Rob 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air The most common reasons a GMC Yukon XL won't start are a dead battery, an alternator problem, or failed starter. They can provide valuable insight as to what the problem may be and help you narrow down Nov 14, 2019 · Your GMC Yukon's windows protect you from the elements, and they protect the interior from damage. The downstream sensors after the cats are there to check the cat efficiency. Replaced all fluids 6k miles ago. Have a 2004 GMC Yukon. The last thing you want is for the ECM to send the wrong information. Apr 3, 2015 · Driving along at about 40-50mph and I go to accelerate and a get a shuttering/bogging down of the engine and have no real throttle. specially when they can cause your symptoms. There are a lot of different reasons that can cause this. back then Chevy had a big problem with the vent screens in the distributor clogging. Dealer said the transmission is fine, but not sure what is causing this power interruption at low gear. brake light. Why Won’t My GMC Yukon Start After I Get Gas? 2. New rotors and pads last year. 3L, 6-speed auto, 28000 km. Car manufacturers recommend service intervals for the replacement of OEM spark plugs and wires. Thanks all. Sep 3, 2019 · Your GMC Yukon's service engine soon light is there to let you know that some sort of problem has been detected with the vehicle. Here are some of the most common reasons a GMC Yukon may make odd sounds broken down into more detail. The transmission shifts fine and smoothly and Ive had the yukon up to 90mph by partial throttle without any problems and the fluid is still pink, Does the 4l60e have a kickdown switch? I believe the transmission stays in a higher gear and doesnt drop a gear to accelerate faster. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. They can provide valuable insight as to what the problem may be and help you narrow down Sep 25, 2023 · The cost to fix a reduced engine power issue in a GMC Yukon can vary depending on the cause of the problem. Sep 17, 2018 · On my GMC Yukon XL 5. I have a GMC 2010 Yukon Denali XL, when I start the car, and have the engine running idle. the car started fine this morning. I used to have to wait 10 minutes before Nov 30, 2023 · Find out why the Service StabiliTrak warning pops up on your Chevy or GMC vehicle and how to troubleshoot and repair it. pay particular attention to the cap. ew mu gz fa go mr nr gt jg ub