Gmc acadia not starting after getting gas

Feb 4, 2022 · To prime, a fuel pump after running out of gas, follow the below steps. Open the hood of your car and locate the fuel pump and manual primer for it, which will usually take the form of a lever or plunger. Open the bleed plug (plug to eliminate air from the fuel system) on the fuel filter closest to the fuel tank.

Gmc acadia not starting after getting gas. Rick Jester said: Driving down the road (2012 Acadia SLT AWD 72k miles) these messages pop up on screen: Battery Saver Mode, Traction control off, Engine power is reduced. Car cuts off barely make it to the emergency pull off. Towed to dealer, dealer states bad alternator and battery. Not covered under warranty they want $1,300 for …

2010 gmc acadia. I have had 3 times now after refilling the gas tank the engine will crank but not start. I have a check - Answered by a verified GMC Mechanic ... 2016 gmc Acadia Denali having a crank no start issue code are p00c6 p12a8 p16a1 po107 po191 replace direct fuel pump located in the head having same issue seeing gas going …

To remote start your 2017. GMC Acadia. you’ll need to press the lock button on your key fob, then hold down on the remote start button for at least four seconds until the turn signal lights flash. Before using remote start features, ensure that your car is well-ventilated to prevent a build up of carbon monoxide gas.After re-capping and trying to start engine, the engine won't start without a bit of gas pedal work. ... GM doesn't sell just the clips, and for the price of two silly little clips aftermarket, you can buy a whole new line from GM with new clips ($12-17). ... When getting gas, when i first open the tank it is under vacuum I can hear it suck in ...Life-tips site LifeClever shows you five ways to find the lowest prices on gas. Life-tips site LifeClever shows you five ways to find the lowest prices on gas. These include the Ko...Just bought 2012 gmc acadia with117k on it. Mint cobdition cosmetically and seemed to drive fine untill yesterday. It seems when im doing about 40 mph or 60 mph the rpms drop betweem 1700 and 2100 and i get the shudder/buck. If i let of gas or accelerate it powers through but when in steady speeds in traffic it gives those issues.History: A while back my Check Engine Light (CEL) on my Equinox (2011 3.0 V-6 FWD) came on and code P0442 (small leak evap system) was indicated. The …

Clear DTCs and turn off the ignition for at least 2 minutes. Turn on the ignition and wait for 40 seconds. If DTC C0550 does not reset in the CCM, it may have been induced by a low voltage condition. If DTC C0550 resets as a current DTC, follow the normal SI diagnostic procedure. 2023 Traverse LT 3.6L 15,000.are not set. • The engine speed is less than 40 RPM. • The vehicle speed is 0 km/h (0 mph). • The accelerator pedal position is less than 14.9 percent. • The ignition 1 voltage is more than 10 volts. • The engine coolant temperature is between 5-85°C (41-185°F). • The intake air temperature is between 5-60°C (41-140°F).You will have take the cover off the air filter to do this. Replace the air filter cover and attempt to start the car. If it starts and runs for a few seconds, then your problem is in the fuel delivery system. If the car doesn't start and run, then the problem is in the spark delivery system. Ask Your Own GM Question.pushrod on June 19, 2017. Topping off fuel tank can cause that .. When filling tank and the pump nozzle cuts itself off after fillin. STOP refueling! Otherwise - gas can be forced into the EVAP system and temporarily flood engine .. Thus having to open throttle to allow more air to enter intake and 'clear-flood' before engine will start normally.2007 GMC Acadia SLT-2, 'HiYo' Silver outside, Ebony/Titanium inside, no NAV, no HUD, no errors. ... months ago car would not start after getting gas each time, we replaced the solenoid then these other exact things started happening, shifting issues, MPG was all over the place, battery draw, etc. I'm going to order an ECM until you …D. dugunz Discussion starter. 194 posts · Joined 2008. #1 · Sep 25, 2013. The last 3 times I filled up my car with gas I had trouble starting it. It would crank for a while and give up after 5-7seconds or so, then I would crank it again it it would barely fire up.... I usually get down to about 1/4 - 1/8 tank of gas then fill it up all the way.Mar 21, 2020 · 2018 GMC Acadia Won’t Start. I have a 2018 Acadia with less than 18,000 miles. I just had an oil change a week ago and filled up my tank yesterday. Today I go to start my car and there are a ton of messages on my dash. Service theft deterrent system, service parking brake, service stabilitrak, program cluster, battery saver active, service ... Feb 22, 2023 · These codes could mean that Acadia’s power control module needs a software update or that the camshaft needs to be corrected. According to RepairPal, these issues can cost an average of $1700 to repair. These problems usually arise with the Acadia after the car has been driven for 110,000 miles.

Some members have commented that their Acadias (or any Lambda) won't start after being parked on an incline if the fuel level is fairly low. The previous GM document relating to this stated that Engineering was aware of the concern and working on a fix. Well, the fix is finally out - a new fuel pump assembly that holds fuel better so that more ...3. Engine Sputtering. If your fuel pump is not functioning correctly, you may notice your engine sputtering at high speeds. This happens because the fuel pump is unable to provide a consistent flow of fuel to the engine. If your GMC Acadia is experiencing engine sputtering or cutting out for brief periods, this could be a sign of a …Do you have a 2019 GMC Acadia that won't start or crank? Watch this video to learn how to diagnose and solve this common problem. You will see the steps and tools needed to fix your vehicle and ...1) Start the Acadia and shut it down (assuming it starts normally) 2) Open the gas cap for 60 seconds or more and put back on (without adding fuel to the tank) 3) Attempt to start the Acadia again. If it starts hard even without adding fuel, then perhaps there is a pressure / vacuum issue. 2008 SLE AWD 8psg Medium Brown Metallic RIP.The 2017 GMC Acadia has 5 problems reported for car would not start. Average repair cost is $480 at 11,500 miles. ... Stopped for gas, after filling up, the car wouldn't start, all dash icons ...

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According to RepairPal, one of the most common problems that the GMC Acadia can experience is that the check engine light may turn on for a somewhat trivial …I have a 2007 GMC Sierra 1500 Classic WT 4x4 with the 4.8l Vortec engine, recently turned 124k for mileage. For the past 7-8 weeks, every time I fuel up the truck, it has struggled to start immediately after fueling. It'll typically turn over 6-7 times, then sputter out. Second attempt typically does the trick.2009 gmc acadia slt 1sb 0-60 times, top speed, specs, quarter mile, and wallpapersFixed: car has trouble starting after getting gas 2016 gmc acadia transmission problems include jerking, improper shifting, and weak accelerationGmc acadia not starting after getting gas. Gmc acadia won't start11 reasons your car is not starting after getting gas ...May 11, 2020 · Not sure about the Acadia, but some vehicles have a reset button or switch that trips and shuts down the fuel pump after an accident in case of a fuel leak or roll over. Check your owner's manual. 2007 GMC Acadia SLT2, AWD, Medium brown metallic/brick leather, HUD, towing pkg. 2015 Audi Q5, Black with black sport interior, 21" sq5 wheels.

My girlfriend's 2021 GMC SLT V6 Acadia currently has 13,700 miles. At around 7,000 miles the CEL came on. Went to GMC dealership and they replaced the fuel pump module. Yesterday, when trying to start the car, once started it would immediately stall out. Regardless how many times tried, it would stall out. Seems as if it's not getting …my car won't start after filling up with gas 9 Answers. my check engine light is on. every time I put gas in my car, it has a hard time starting. I have to push the accelerator down while starting the car and it will start after a few attempts. it has been...May 24, 2019 · 2008 Acadia will crank but not start. I have a 08 Acadia which won't start. As we were going down the road it just shut off and hasn't started since. We have redone the transmission and the timing about 2 years ago and change all the spark plugs. It threw about 5 codes of different sensors and of which we have changed all of them and still nothing. 6. Old or incorrect engine oil. Using the wrong type of engine oil or not changing the engine oil on time can lead to decreased fuel efficiency and reduced gas mileage in Acadia. Engine oil is responsible for lubricating the engine components and reducing friction, which can improve fuel efficiency.I have a 2008 GMC Acadia. It won't start, it will act as if it is about to start but then when u expect it to start running it won't budge. I have tried jumping the car I checked the oil and antifreeze. I don't know what else to do. ... These cars had a big problem with the fuel pumps going out, when you turn the key to the on position without ...2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times. Please shed light on what needs to be done? 4 Answers. 2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times before it will start. The initial start will be rough.From all I have seen from some of the posts, I was a little worried about my 07 Acadia not starting up after me being 2 months out of the country. I came back and it started up right away. So far, so good. ... 2007 GMC Acadia SLT-2, 'HiYo' Silver outside, Ebony/Titanium inside, no NAV, no HUD, no errors.1. Before you start, be sure you have enough room around the vehicle. It should be parked on a level surface. 2. Firmly apply the parking brake. See Parking Brake on page 134. Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the engine off, turn the ignition to ON, but do not start the engine. Without applyingA GMC Acadia may not start for several reasons. This might include a weak or dead battery, fuel system faults, ignition system problems, or electrical issues. This article will examine the typical causes of starting problems in a GMC Acadia and offer a thorough tutorial on troubleshooting techniques and maintenance advice.

16 years of experience. When you fill your gas tank, a lot of fumes build up in the fuel tank and usually excess fumes come out of the fuel filled tube and out to atmosphere or into a recovery system in the fuel pump handle. You may have a purge valve that is not sealing correctly and the fumes are going into your engine causing your …

threelazys said: Hello All, I have a 2012 GMC Acadia with ~47,000 miles. We have owned the vehicle for just under a year and it had ~38,000 miles on it at purchase. We have been experiencing a strange intermittent starting issue with it off and on and it has been becoming more common. Search youtube for code AnI71ZsfBzM to see the video.engine trouble after fueling. Ok, I bought this truck 4 weeks ago now and each time i fill it it either fails to start on the first try or it starts and shudders and shakes till it calms down, then runs fine other than the annoying low idle whenever I get off the fuel pedal. I cleaned the mass air sensor and plan on doing the throttle body this ...The P0496 code indicates that there’s an incorrect amount of intake vacuum flow occurring in the car’s EVAP system. Any time this vacuum is higher than what the computer determines is appropriate, the codes will be set. While this code can occur with all brands, it appears to be most common with GM vehicles.Concerns over demand have caused oil and gasoline futures prices to plummet, with Florida gas prices already down by 3 cents and set to drop even lower. Concerns over demand have c...Feb 23, 2013 · June 18, 2012. Some 2008-2012 Enclave, 2009-2012 Traverse, 2007-2012 Acadia and 2007-2010 Outlook models may exhibit one or more of the following conditions: • Engine is hard to start • Engine will not start • Engine starts, then stalls • Fuel gauge is inoperative or fluctuates • Service Engine Soon/Check Engine light is illuminated. 1. “Shift to park” warning problem. The Acadia’s computer fails to recognize when the transmission is put in a parking position. As a result, it will keep all your interior electronics running, the radio, dashboard, and everything else. The problem is more common in the Acadia 2017 and 2018 models. In extreme cases, the issue can lead to ...Thalove said: Try changing the fuel filter. Should be changed every 30,000-40,000 miles. This problem is also caused by overfilling the gas tank. When the gas handle automatically stops and clicks, you should stop. Topping it off will hurt the gas sensor and it is a mistake that millions of people make.Concerns over demand have caused oil and gasoline futures prices to plummet, with Florida gas prices already down by 3 cents and set to drop even lower. Concerns over demand have c...4 posts · Joined 2016. #1 · Jul 30, 2016. I have a problem with my acadia 2011. It started as a crank / no start condition. The battery is ok, we checked the fuel pump fuse which seems to be ok, we could not hear the sound of the fuel pump working and there was no rail pressure, so we dropped the fuel tank and checked the harness of the …I too have a vibration starting about 60 but can be drove out about 70 plus. transmisson rebuilt, new tires aligment and road forced balance. all done at dealer and under warranty it a 2016 Acadia awd. I am very concerned. called GM said to take it another dealer second opinion. after running several test said its the nature of the acadia not ...

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The P0496 code indicates that there’s an incorrect amount of intake vacuum flow occurring in the car’s EVAP system. Any time this vacuum is higher than what the computer determines is appropriate, the codes will be set. While this code can occur with all brands, it appears to be most common with GM vehicles.2008 Acadia will crank but not start. I have a 08 Acadia which won't start. As we were going down the road it just shut off and hasn't started since. We have redone the transmission and the timing about 2 years ago and change all the spark plugs. It threw about 5 codes of different sensors and of which we have changed all of them and still nothing.Faulty alternator. Obstructed fuel filter. Faulty fuel pump. Blown fuse. Failed spark plugs. Rodent damage. Engine failure. Read further to understand the reasons why your GMC Acadia might not start and the solutions to restart it. In addition, get to know how to maintain your car for it to last longer.Here are things you can do to deal with the issue: Check the battery connections. Replace the fuel filter. Change the starter. Replace the alternator. This problem can be easy or difficult to fix, depending on the cause. Keep reading to get detailed information on how to tackle F150 that fails to start after fueling.Feb 1, 2019 ... How to Start a Car that Cranks but Doesn't Start. How to Start a Car In Cold with Frozen Gas Lines. 257K views · 5 years ago #polarvortex ...Not sure about the Acadia, but some vehicles have a reset button or switch that trips and shuts down the fuel pump after an accident in case of a fuel leak or roll over. Check your owner's manual. 2007 GMC Acadia SLT2, AWD, Medium brown metallic/brick leather, HUD, towing pkg. 2015 Audi Q5, Black with black sport interior, 21" sq5 wheels.A dead key fob battery. The first thing to check when you have an issue with your Acadia remote start system is your key fob battery. The battery may be nearing depletion or may have completely died. In either case, it won’t produce the power required for the key fob to send a signal to your car to engage the remote start function.engine complaint electrical issue heater complaint transmission complaint paint defect Acadia recall. Maximize. The 2007 GMC Acadia has 2 problems reported for difficulties starting after ...2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times before it will start. The initial start will be rough. …2009 Toyota Matrix S, Nautical Blue Metallic outside, Dark Charcoal inside, 2.4L I4, automatic, FWD. Bye yo, HiYo - 8/13/2020. 2007 GMC Acadia SLT-2, 'HiYo' Silver outside, Ebony/Titanium inside, no NAV, no HUD, no errors. J. JP2011 Discussion starter. 22 posts · Joined 2016. #8 · Sep 3, 2018. Yes speleos, i believe it is a diagnostic tool. I ...Jan 4, 2008 · I called GMC, and haven't had a response back yet. I am displeased with GMC and my Acadia. Not only does the exhaust smell make me sick, my sunroof has leaked and ruined my speakers. If anyone else is having this problem (GMC seems to know NOTHING about) contact me at 541-270-0768, as I am in contact with a high powered, intelligent lawer!! ….

Feb 24, 2021 · Terrible gas mileage! Hi everyone, this is my first post. two months ago we bought a 2021 Acadia denali and have been getting terrible mpgs. Right now we are averaging 9.2, mostly city driving. We have taken it to the dealership and they first said it needed a break in period. Fuel Rail pressure about 500psi at idle and 1800psi at 3500rpm. Fuel line pressure from tank between 45 and 75 psi. Vacuum looks normal throughout the RPM range and engine load. The only thing that I thought was odd was that after I shut off the engine I noticed the fuel rail pressure continue to rise.3. Clogged Fuel Filters. Insufficient fuel in your cylinders won’t prevent your car from starting when you turn the ignition, but it will cause the engine to die after a few seconds. One of the reasons fuel …Will not start after filling tank. I have a 2010 Enclave, ~66k miles. I searched on this topic/forum and did not find any posts related this this, but there are plenty for the Acadia and Outlook. Thus, posting here too. The no-start, rough-start thing just started happening about a month back. It happens ONLY after a fill-up.Jul 2, 2014 · Had this happen on 2 GM cars up to now, 2012 GMC Acadia and 2015 Chevrolet Sonic. It is the one under the hood. Like others have said, 25$ part, 10 minutes to install. Aug 3, 2016 · June 18, 2012. Some 2008-2012 Enclave, 2009-2012 Traverse, 2007-2012 Acadia and 2007-2010 Outlook models may exhibit one or more of the following conditions: • Engine is hard to start • Engine will not start • Engine starts, then stalls • Fuel gauge is inoperative or fluctuates • Service Engine Soon/Check Engine light is illuminated. Just bought 2012 gmc acadia with117k on it. Mint cobdition cosmetically and seemed to drive fine untill yesterday. It seems when im doing about 40 mph or 60 mph the rpms drop betweem 1700 and 2100 and i get the shudder/buck. If i let of gas or accelerate it powers through but when in steady speeds in traffic it gives those issues.2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times. Please shed light on what needs to be done? 4 Answers. 2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times before it will start. The initial start will be rough.Reseting a Digital Fuel Gauge. Turn on the car and push the "Trip/Odo" button to put the odometer into "ODO" mode. Turn the car off, then press and hold the "Trip/Odo" button and turn the car back on. Press and release the button 3 times, holding it down for 4 to 5 seconds the third time.Typical Fuel Pump. If your Acadia isn’t getting enough fuel, or any fuel at all, it may have a bad fuel filter or a bad fuel pump. Without the proper amount of fuel entering the combustion chamber, the Acadia will crank but not start. 2. Ignition Issues Gmc acadia not starting after getting gas, Nov 27, 2015 · 2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times. Please shed light on what needs to be done? 4 Answers. 2011 GMC Acadia that does not restart after refueling - need to pump accelerator and crank a few times before it will start. The initial start will be rough. , Feb 22, 2016 · I have a 2008 Acadia. Whenever I fill the gas tank the car won't start, just keeps cranking. I then floor it and after a few seconds of cranking it starts up. Now there is a hesitation when driving. It pulls out fine but as I accelerate it rumbles a little (like its not getting enough fuel). I hit the gas and it works fine from there. , GMC Acadia won’t start can be caused by a variety of factors ranging from a weak or dead battery, bad battery connections, a failing alternator or charging system, a blown fuse, starter malfunction, ignition switch issues, or even engine failure., Life-tips site LifeClever shows you five ways to find the lowest prices on gas. Life-tips site LifeClever shows you five ways to find the lowest prices on gas. These include the Ko..., Why are gas prices going down? There are several reasons why that is happening, find out if it will stay down or it will go back up again. Gasoline prices, which had hit record hig..., Weblog Sound Money Tips tests the popular gas price comparison engines (like previously-mentioned Gas Buddy) and declares MSN Autos' the best. Weblog Sound Money Tips tests the pop..., Sep 12, 2021 · Your vehicle has many different parts that function in many different ways to make your vehicle run correctly. Over time some of these parts will go bad and ... , No Power to Fuel Pump. 2009 GMC Acadia SLT-2. Dash Lit up like a Christmas tree, reduced power, service stabilitrak, ETC. Determined it was a fuel issue after it would run with Starting Fluid. …, Oct 26, 2018 ... High pressure fuel pump is bad cuz the car smoking on idle or not idling., Do only one of these things at a time, in order to avoid confusing results. start. - Test for spark while cranking using a tester, or ******* plug-touching-block for a brief moment. - Test the injectors with a 'noid light while cranking. - Turn the key to 'on' a few times before actually trying to start it., P0496 is for evap flow when not commanded. Usually a new purge or vent solenoid fixes this. This is the reason for your original complaint after filling up. P0128 -Change the thermostat and coolant temp sensor. Then remove and clean the throttle body. Also replace spark plugs and 02 sensor. Run some fuel injector cleaner., The first is about misfires after replacing spark plugs. Now, if your car was misfiring before you replaced spark plugs, then something else could be causing the misfires, like faulty ignition coils or spark plug leads. The same goes for the remaining two problems. Namely, the car won’t start or is running on two or three cylinders., I have a 2007 GMC Sierra 1500 Classic WT 4x4 with the 4.8l Vortec engine, recently turned 124k for mileage. For the past 7-8 weeks, every time I fuel up the truck, it has struggled to start immediately after fueling. It'll typically turn over 6-7 times, then sputter out. Second attempt typically does the trick., GMC vehicles are produced by General Motors. GMC specializes in sport utility vehicles, trucks and vans. If your GMC vehicle sets off a fault code, also known as a check-engine cod..., You are watching this video because your Car Won't Start After Getting Gas. Your car probably also have a Check Engine Light on. More than likely the starti..., In some cases the modules lock up preventing the engine from cranking over. This does happen from time to time and can easily be remedied by doing a quick battery disconnect procedure. You're gonna have to be sure to disconnect both cables from the battery and rub the cables together for about 5 minutes., The GMC Acadia’s transmission is affected by the check engine light Unsurprisingly, the most common issue with the GMC Acadia happens to do with its check engine light once again. Similar to the other two check engine light issues, this problem affects a handful of model years ranging from the 2007 to 2013 model years and the …, the fiilling up/hard start issue is related to overfilling. Over time it causes issues with the valve. I believe there are 2 valves--- one is on top of the gas tank- the 2nd is close to the engine. Usually changing the one by the engine will correct the issue. Someone has pics of their valve replacement on here., Check the battery on the vehicle and make sure that it has enough voltage to start the vehicle. If the vehicle is cranking up and it sounds as it is about to start but it does not start, then the fuel system may have the fuel pump loosing pressure to the fuel rail. Check the fuel pressure with a fuel gauge on the rail and see if there is at ..., The towing capacity of a GMC Acadia is 5,200 pounds if the vehicle is fully equipped with all support systems. Drivers should add passengers and cargo inside the vehicle when deter..., Most GM vehicles built in the last 20+ years have a theft deterrent system, that includes the GMC Acadia. Depending on the model year, your vehicle's theft deterrent system disables the fuel pump, ignitions system, or starter if unauthorized access is detected. When your vehicle Acadia theft deterrent system message, the system will not let, A while back my Check Engine Light (CEL) on my Equinox (2011 3.0 V-6 FWD) came on and code P0442 (small leak evap system) was indicated. The vehicle remote start was inoperative. Since that is a pretty insignificant code (and I was pretty busy) I decided to clear the code, reset the gas cap, and monitor the situation., June 18, 2012. Some 2008-2012 Enclave, 2009-2012 Traverse, 2007-2012 Acadia and 2007-2010 Outlook models may exhibit one or more of the following conditions: • Engine is hard to start • Engine will not start • Engine starts, then stalls • Fuel gauge is inoperative or fluctuates • Service Engine Soon/Check Engine light is illuminated., Inoperative Fuel Gauge and Hard Start/No Start Condition. Some 2008-2012 Enclave, 2009-2012 Traverse, 2007-2012 Acadia and 2007-2010 Outlook models may exhibit one or more of the following conditions: • Engine is hard to start. • Engine will not start. • Engine starts, then stalls., The most common causes that hinders normal starting operation of your Acadia are dead 12v battery, corrosion on battery terminals, and dead key fob battery. However, bad alternator, clogged …, Just bought 2012 gmc acadia with117k on it. Mint cobdition cosmetically and seemed to drive fine untill yesterday. It seems when im doing about 40 mph or 60 mph the rpms drop betweem 1700 and 2100 and i get the shudder/buck. If i let of gas or accelerate it powers through but when in steady speeds in traffic it gives those issues., It's two-for-one driving hacks day! First, you pull into the gas station to blow $50 on a tank. Which side should the pump be on again? Short of stopping the car and getting out to..., May 24, 2019 · 2008 Acadia will crank but not start. I have a 08 Acadia which won't start. As we were going down the road it just shut off and hasn't started since. We have redone the transmission and the timing about 2 years ago and change all the spark plugs. It threw about 5 codes of different sensors and of which we have changed all of them and still nothing. , Now that the weather is warming up, I'm ready to fire up the grill. What I love about the new Genesis II grill from Weber is that when you turn the knob, it starts up immediately. ..., Most GM vehicles built in the last 20+ years have a theft deterrent system, that includes the GMC Acadia. Depending on the model year, your vehicle's theft deterrent system disables the fuel pump, ignitions system, or starter if unauthorized access is detected. When your vehicle Acadia theft deterrent system message, the system will not let, First things to check for issues like these: Check the battery and fuses first! Be sure to have about 12.6 volts with the key turned on. Jumpstart/recharge the battery if needed. Check all of the fuses on the vehicle with the ignition turned on and replace any that might have failed., turn the key to the start position- this is to let the fuel pump run to presurize the lines. then turn off. then turn to start again and repeat... do it about 4 or 5 times.. then try to start the vehicle. see if it starts up right away. 2013 Equinox-3.6L DI- Best MPG 35. 2010 Traverse-3.6L DI Best MPG 31.3., 1: A Dead Battery. If your GMC Acadia doesn’t start, the problem may be as simple as a dead battery. If you’ve left your lights on or your car has been sitting in the garage for a while with no use, the battery will eventually lose its charge. This can also happen if the alternator is failing.