Kia soul shaking at idle

The most obvious reasons for your car shaking in idle are: Failed CV joints – Working together with the drive shaft, cv joints get the power from the engine to the wheels and tires and, if broken, can be the cause of your vehicle shaking in idle. Failed Engine Mounts – As the name suggests, these parts help affix the engine to the vehicle.

Kia soul shaking at idle. • 9 mo. ago. The battery stores the calibration settings for the idle speed and mixture. Any time the battery is disconnected those settings get erased and this can affect idle speed and quality. For some vehicles there is a "relearn" procedure that needs to be followed or it won't idle properly.

Mar 6, 2023 · Here is a more detailed list of the seven most common reasons why a car vibrates when stopped or at idle. 1. Worn Spark Plugs. One of the most common reasons for a rough idle is worn or damaged spark plugs. If you have worn spark plugs, your engine might misfire, which causes shaking or vibrations. If you have a faulty spark plug, you should ...

3.5M views 4 years ago KAILUA-KONA. Buy a shirt and support the channel! (links below) In this Video Josh explains the 4 most common causes for rough idling as well as a few other less common...I have a 2015 Kia Soul base model with 276,000 miles. I swapped the engine at 225,000 miles with a used one that had 89,000, so the engine now has about 140,000 miles. As the title says, I have a rough idle (fluctuates between low and high RPMs, car shakes, but never stalls). Odd thing is that it goes away if I turn the vehicle on and off.Have a 2017 Kia Sportage EX with just a little over 33,000 miles on it (between the pandemic and being retired, just doesn’t get driven much). Last couple of weeks I’ve noticed a hesitation when going up a hill at about 20 MPH. The entry into our development is a right turn at a stop sign, and the development speed limit is 20 MPH.2. Badly fouled spark plug. It can cause a particularly nasty kind of low-speed pre-ignition. 3. Carbon in the intake system (the plague of GDI engines), valves, or cylinders. You can glance at the throttle body by pulling off the intake boot and using an inspection mirror. Anything else would require a borescope.2016 Cold Start Idle Air Control System Performance. The check engine light on my 2016 Soul has come on for the THIRD time now. I have been told that Kia does not have a fix for this problem and after doing some research, it appears this has been on on going issue that Kia is supposedly researching. In the meantime, my car needs to be …Mar 14, 2023 · Mini Idle Vibration on Steering wheel when A/C is turned on. ... 2019 Kia Soul Base - Gamma 1.6L - 6sp Manual 2011 Kia Soul Plus - Beta II 2.0L - 4sp Automatic. When it comes to making a purchasing decision, consumers today rely heavily on the opinions and experiences of others. Gone are the days when people would blindly trust advertiseme...Jun 3, 2022 · Hi, My 2011 Kia Soul developed an "idle" vibration for the past couple months. I noticed while sitting idle, that it will feel like a "surge" that lasts about 30 seconds and can be felt through steering wheel and my seat. Then it goes away to smooth! Driving me crazy! It like came out of nowhere (but it didnt) and before this, has always driven ...

56 posts · Joined 2010. #7 · Oct 4, 2013 (Edited) Kgray - This is a common (but intermittent) problem with the NU 2.0 MPI Engine. This issue also shows up on all of the Hyundai forums because this engine is a Hyundai design/build. My 2.0 will exhibit rough idling about 7 - 10 times a month. Mine has been doing this since I drove it off the lot.Jun 10, 2023 · Rough idle, stalling and revving. 2021 Kia K5 GT-line with 44k miles. Tonight I went to turn my car on, put it in drive and it started shaking, wanting to stall. Went and put it in neutral and In neutral, it started reviving to about 1500rpms. Would put it back in drive and it would drop rpm’s. Went back and forth twice and then finally in ... quote from the manual: "remember, your vehicle does not require extended warm-up. After the engine has started, allow the engine to run for 10-20 seconds prior to placing the vehicle in gear. In very cold weather, however, give your engine a slightly longer warm-up period." a three times Kia owner. Loose or Disconnected Hoses. Loose or disconnected hoses can also be a common cause of many types of engine vibration. A loose or disconnected air hose or vacuum hose can cause quite a bit of violent shaking and vibration in your 2017 Kia Soul 's engine. To correct the problem, simply look for any loose or disconnected hoses and reattach them ... DEALER SAID KIA HAS PROBLEM WITH HIGH IDLE. I posted before about a high idle at startup when the car sits overnight. If the car sits out or in the garage it idles up to 2600-2700 rpms then drops. I took a video the other day, it was 47 degrees out and it revved up. I showed the service dept. and he said there is nothing he can do.2014 Kia Soul 1.6 engine shaking while idling, now starts then misfire then shuts off. Codes P2191,P0304 and now also P0300; engine running lean, misfire cylinder #4, and now random misfire. Changed oil & filter, sparkplugs, switched #1 coil with #4 coil still missing in #4 cylinder, even did compression test on #4 cylinder it's good. ...

2012 Kia Soul 1.6 GDI, Cylinder #2 Misfires Consistently. Second Opinion] [Second Opinion] 2012 Kia Soul 1.6 GDI , Cylinder #2 Misfires Consistently. changed Spark plugs ,coil packs, and fuel injector, still nothing. When our 2013 KIA Soul has sat idle for an hour or two after driving when it is started back up it often idles very roughly and will even kill and need to be restarted and then still run rough. Shifting into neutral and back to drive can help it to run a bit better. 2. Intermittent rough idle: RPMs seem too low or something. Engine rumbles and feels like it is about to stall. Other times it idles fine. 3. Intermittent stalling: this has only happened twice so far, but is the most worrying symptom. Both times it happened at idle, and the car was difficult to start afterwards (see symptom 1.)751 posts · Joined 2011. #18 · Apr 12, 2012. My rig has over 8000 miles on it now and I only rarely have a slight "idle fluctuation". I would not call it a vibration as it is too smooth to be annoying. The surging you (OP) speak of, might be the transmission "shifting" up a gear, as you gently coast to a stop.2014 KIA Soul 2.0 engine. It runs rough in gear at idle. It…. Mechanic's Assistant: Mechanic's Assistant: Answered in 2 minutes by: Kia Mechanic: Dan. Hello my name is***** am an ASE Master Technician and I am glad to help you with your question. is the engine light on?Jun 4, 2022 · bwdz75. 3259 posts · Joined 2020. #3 · Jun 5, 2022. If it is full of oil and the light is flickering and you hear a knock you have a bad rod bearing. Time for a rebuild. SoulRider2012, RickM46, rhysoul and 2 others. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.

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Lately, I’ve perused articles regarding soul mates, and I couldn’t help but note how a soul mate may often Lately, I’ve perused articles regarding soul mates, and I couldn’t help b...The Optima uses the larger Theta II 2.4L engine and the Soul uses either the Nu 2.0L or the Gamma 1.6L engine. The recalls on your car would have extended the warranty (KSDS) to 15 years 150K miles if it was done right away. But they won’t warranty it if the engine fails and the recall wasn’t done.Read More Kia Soul Shaking When Idle - What Could Be Wrong? 2019 Kia Soul Review & Ratings Read More 2019 Kia Soul Review & Ratings. 2012 Kia Soul starting at $13,900. - Korean Car Blog Read More 2012 Kia Soul starting at $13,900. - Korean Car Blog. My 2018 is already misfiring and it still hasn't been fixed after 2 tries.Jun 10, 2023 · Rough idle, stalling and revving. 2021 Kia K5 GT-line with 44k miles. Tonight I went to turn my car on, put it in drive and it started shaking, wanting to stall. Went and put it in neutral and In neutral, it started reviving to about 1500rpms. Would put it back in drive and it would drop rpm’s. Went back and forth twice and then finally in ... Anyway, i?ve Had my 2017 base soul for 5 days and it has 300 miles on it...I?ve noticed in the past 2 days when sitting at a light or stop sign my car vibrates under my seat and foot area. It?s not jumping like crazy but enough vibration that I notice it and it slightly annoys me.

It may be time to shake things up with new tactics and platforms. Here are 10 Ways to Shake Up a Stale Small Business Marketing Strategy. If you have a small business, there’s a go...Eco Mode does not make a difference. Idle isrough regardless. Loss of power is a bit better. Rough idle is intermittent. Sometimes it is a soft vibration, other times I have to take my hands off the wheel it is so rough and bothers me. It has stalled out twice while in park and running rough. Kia Mechanic: mr. b. rector.I own a 2017 Kia Sorento SX V6 with <6000km on it, and it has developed a rough idle. The car shudders while stopped in Drive or Park, the consistency of the shudder varies, sometimes it is slight and sometimes it is more severe and noticeable. Doesn't seem to be tied to AC or fan system or to the car being cold.Hi, My 2011 Kia Soul developed an "idle" vibration for the past couple months. I noticed while sitting idle, that it will feel like a "surge" that lasts about 30 seconds and can be felt through steering wheel and my seat. Then the idle goes back to a mild vibration! Driving me crazy! It like came out of nowhere (but it didnt) and before this ...Kia Soul Stalling Problem Causes. Here are some of the issues that cause the Soul to stall out. Remember, a vehicle needs air, fuel, and spark to run. It needs them in the right quantities and intervals, or it won’t run right. Fuel. Fuel issues are one of the most common reasons that a vehicle would stall out, that includes your Kia Soul.Kia Sorento Forum (post in sub-section only) 2011 - 2013 (XM) Sorento Forum. Vibration at Idle. Jump to Latest Follow 3K views 3 ...The light comes on only at idle, goes away while the engine is at a higher RPM. First, check your oil level. Just because you had it changed 4 months ago doesn't mean that a problem couldn't have developed since then. Until proven otherwise, always trust the oil pressure switch.The vast majority of vehicles produced and sold include a factory radio or CD player. For most people, that's fine. But if you're an audio enthusiast, or want to add extra features...A super lean running engine will often shake when idling. The mixture would be wrong at all RPM, but the shaking decreases as the engine speed increases. 7. Improperly Balanced Engine. There’ll be no codes associated with a bad harmonic balancer. If the harmonic balancer fails, it’ll cause your Kia Forte to vibrate at idle speed.

Jun 4, 2022 · bwdz75. 3259 posts · Joined 2020. #3 · Jun 5, 2022. If it is full of oil and the light is flickering and you hear a knock you have a bad rod bearing. Time for a rebuild. SoulRider2012, RickM46, rhysoul and 2 others. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.

Our small business community offers up some great suggestions for shaking things up a bit. It’s easy for small businesses to get stuck doing the same things over and over again. If...Seems like a low idle but there is no way to manually adjust the idle on these cars. When the AC is off and the car is at idle, the dash guage shows 750 RPM but my scanner shows about 680. When the AC kicks on, the idle jumps up to about 850-900 (per the scanner) and the shakes go away. This is an older thread, you may not receive a response ...3 posts · Joined 2015. #1 · Sep 30, 2015. Hi. I have a 2015 soul 2.0 engine with 500 miles. About a week ago i been experiencig rough idle at cols start up. Once it reach the running temperature its goes away. I have no check engine light whatsoever but is kind of anoying comming from a brand new car. I was wondering if anyone had the same issue.Hey y’all, Greetings from SC, my daughter called me to say her 06/13 Kia Soul w/1.6 I use to be a Gm tech but not a whole lot of experience with Kia’s. So I went cleared the codes, on start up it’s a very rough idle and struggles to stay running. Instantaneously codes for o2 bank 1 sensor 1 and random misfire codes as well.Read More Kia Soul Shaking When Idle - What Could Be Wrong? 2019 Kia Soul Review & Ratings Read More 2019 Kia Soul Review & Ratings. 2012 Kia Soul starting at $13,900. - Korean Car Blog Read More 2012 Kia Soul starting at $13,900. - Korean Car Blog. My 2018 is already misfiring and it still hasn't been fixed after 2 tries.The most common causes of your vehicle shaking at idle are: CV joints That Have Gone Bad – Working together with the driveshaft, cv joints get the engine power to the wheels and tires and, if they are failing, can be the source of the vehicle shaking in idle. Failed Engine Mounts – As the name suggests, these parts help affix the engine to ...Vibration when idle. Tags idle vibration when. Jump to Latest Follow 21 - 28 of 28 Posts. 1 2. P. phunky.buddha · ... 2017 KIA Soul base, Titanium. Bought some ...

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• 9 mo. ago. The battery stores the calibration settings for the idle speed and mixture. Any time the battery is disconnected those settings get erased and this can affect idle speed …Basically, the car is so quiet when idle you can't hear it running. I just had an oil change, rotation, check bolts, lube doors, check both air filters, 29 point inspection, etc at 10k miles at a well known service center, even had them install the KIA oil filter for me. That night when I started the car, there is this low tone humming noise at ...There are plenty of businesses that sell candles. Here is how Intentions By Christina is shaking up the candle business. There are plenty of businesses that sell candles. But Inten...bwdz75. 3259 posts · Joined 2020. #3 · Jun 5, 2022. If it is full of oil and the light is flickering and you hear a knock you have a bad rod bearing. Time for a rebuild. SoulRider2012, RickM46, rhysoul and 2 others. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.Oriolespride31. Registered. Joined Oct 31, 2022. 14 Posts. #21 · Nov 3, 2022. My 2.0 engine and automatic Soul revs at about 1300-1500 rpm at start up and then will drop to about 1000 rpm after a few minutes of idling no matter the temperature. I always thought this range was normal.Although the idle is rough, it drives fine otherwise. No noticeable sluggishness or trouble accelerating. Recently, the car vibrates more when the A/C is on. Vibration is less noticeable when the A/C is off. Things I have tried already: Changed the engine air filter. Changed the PCV valve. Changed the alternator pulley which was related to a ...4 posts · Joined 2012. #25 · Mar 28, 2012. I've got a 2012 2.0+ AT (3,500 mi), the same problem, periodic rough idle to the point of almost stalling the engine. It got a little better after the 1st oil change, according to the dealership it's typical for the engine. Share.Here are some common scenarios where you could experience shaking in your Soul: When idling at a stoplight. Shaking while braking to a stop. Shaking when …2015 base soul idle vibrations. Has anybody experienced idle vibrations while sitting parked or at a stoplight. It's a very deep vibration throughout the cabin but as soon as I pick up the RPMs it goes away. Is this a common problem or does it have a good cheap fix? This is how the Kia engines idle.The most obvious reasons for your car shaking in idle are: Failed CV joints – Working together with the drive shaft, cv joints get the power from the engine to the wheels and tires and, if broken, can be the cause of your vehicle shaking in idle. Failed Engine Mounts – As the name suggests, these parts help affix the engine to the vehicle. ….

2021 Kia Soul L4-1.6L Turbo. Service type. Engine is shaking, pulsating or vibrating Inspection. Estimate. $99.99. Shop/Dealer Price. $110.24 - $117.94. Show example Kia Soul Engine is shaking, pulsating or vibrating Inspection prices. Any unusual shaking or vibrating forces coming from the engine is cause for concern.Jun 20, 2022 · MzAmyJo Discussion starter. 5 posts · Joined 2022. #1 · Jun 20, 2022. I have a 2015 Kia Soul automatic basic. After the catalytic convertor was replaced last year due to recall I have had the vehicle start to shake. It shakes at idle and at stop lights. Seems to be getting worse. Vibration when @ idle. ... Come discuss the Kia Sorento, Rio, Sportage, Soul and more! Show Less . Full Forum Listing. Explore Our Forums. 2011 - 2013 (XM) Sorento Forum 2003-2010 Sorento Forum 2016 - 2020 Sorento Forum 3G 2011 - 2016 Sportage 1G (1993 - 2002) Sportage. Top Contributors this MonthSo it starts shaking with misfires, it should have had some kind of pending code. If you have a scanner you can watch the data and look at the misfire data when it … Although the idle is rough, it drives fine otherwise. No noticeable sluggishness or trouble accelerating. Recently, the car vibrates more when the A/C is on. Vibration is less noticeable when the A/C is off. Things I have tried already: Changed the engine air filter. Changed the PCV valve. Changed the alternator pulley which was related to a ... My issue is: at idle the engine vibrates enough to be annoying. Not terribly, but it comes into the cabin and is bothersome. The engine moves slightly when stopped …Apr 24, 2021 · 3 posts · Joined 2015. #1 · Sep 30, 2015. Hi. I have a 2015 soul 2.0 engine with 500 miles. About a week ago i been experiencig rough idle at cols start up. Once it reach the running temperature its goes away. I have no check engine light whatsoever but is kind of anoying comming from a brand new car. I was wondering if anyone had the same issue. Hi, My 2011 Kia Soul developed an "idle" vibration for the past couple months. I noticed while sitting idle, that it will feel like a "surge" that lasts about 30 seconds and can be felt through steering wheel and my seat. Then it goes away to smooth! Driving me crazy! It like came out of nowhere (but it didnt) and before this, has always driven ... Kia soul shaking at idle, Kia revealed Tuesday the next EV in its portfolio, a three-row flagship SUV called the EV9 that is packed with tech and a key product in the company's mission to reach annual sales..., A car’s motor experiences idle shaking within usual parameters, attributed to elements like transmission gears and crankshaft rotation, inducing subtle oscillations during motion. Yet, excessive vibration at idle signifies engine issues. Below are the primary causes of car shaking when idle, helping you gauge when to visit a service center., 1. Belt replacement recommended, but should be due to cracking, not "wear". 2. Minor oil leaks. 3. CEL with code for #4 cylinder misfire. Replacing all 4 coils and spark plugs not essential, but reasonable., 2012 Kia Soul 1.6 GDI, Cylinder #2 Misfires Consistently. Second Opinion] [Second Opinion] 2012 Kia Soul 1.6 GDI , Cylinder #2 Misfires Consistently. changed Spark plugs ,coil packs, and fuel injector, still nothing., Feb 1, 2021 · There was an Idle Air Control valve in the 2009-2011 Souls. As I went looking through the FSM, I came across the PCV valve as a possible cause of rough idling and stalling. The PCV valve is easy to either clean or replace. Also mentioned as a possible cause: vapor hose damaged or disconnected. , Jan 28, 2015 · 2011 + Soul, Rough Idle, engine vibration, check engine light. Just bought a pre-certified 2011 + Soul last week and have experienced extreme engine shakes when the car is idle. The whole front cabin and steering wheel shakes. It has full warranty until July of next year and I'm taking it to the shop tonight. , 2015 base soul idle vibrations. Has anybody experienced idle vibrations while sitting parked or at a stoplight. It's a very deep vibration throughout the cabin but as soon as I pick up …, , Rough Idle. Hello - I have a 2016 1.6L Soul. Currently 6,600 miles. Ever since I bought it new - Dec 2016, I noticed odd RPM idle fluctuation issues under various conditions. Basically, the idle dips similar to what I equate when you turn on the AC in most cars. However, my RPM dips when I roll any window down and it bottoms out or the …, 14 posts · Joined 2022. #21 · Nov 3, 2022. My 2.0 engine and automatic Soul revs at about 1300-1500 rpm at start up and then will drop to about 1000 rpm after a few minutes of idling no matter the temperature. I always thought this range was normal. Like., Sep 10, 2020 · 2016 Kia Soul engine vibration. I’ve got a 2016 Kia Soul base model with 1.6 L engine with about 74,000 miles on it. Just bought about a month ago. I just recently noticed that when I’m at idle, the engine seems to vibrate a little; it’s not knocking or shaking it’s just a subtle sort of vibration/noise. I recently had the catalytic ... , I have a 2015 Kia Soul base model with 276,000 miles. I swapped the engine at 225,000 miles with a used one that had 89,000, so the engine now has about 140,000 miles. As the title says, I have a rough idle (fluctuates between low and high RPMs, car shakes, but never stalls). Odd thing is that it goes away if I turn the vehicle on and off., You could give your Soul a dose of additive (Techron).Or,an injector cleaner.After you get to a bit over 5k miles, get the revs up a bit to clean her out some.I'm at close to 10k, my Soul runs like a dream.You do get some "adjusting'. from the engine at first start.This is normal (higher idle etc)until it warms up a bit., Kia Soul Shakes When Accelerating: Causes. There are quite a few reasons that your Soul would shake when accelerating. Here are the most common ones. They are presented in a somewhat logical progression. 1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM., 1. Rough Idle. When your Kia Soul has bad fuel injectors, you may notice a rough idle. This occurs because the injectors are not providing a consistent flow of fuel, causing the engine to operate unevenly. With a fuel injector that is not properly atomizing fuel properly, your Soul is going to have a difficult time idling., • 9 mo. ago. The battery stores the calibration settings for the idle speed and mixture. Any time the battery is disconnected those settings get erased and this can affect idle speed and quality. For some vehicles there is a "relearn" procedure that needs to be followed or it won't idle properly., 3 posts · Joined 2023. #1 · Dec 3, 2023. Newb here, when researching my problem I discovered this forum so I'm hoping I can get some expertise. My 2023 Kia Sportage SX Prestige has vibrated above 70mph since day one (it's at 10k now). The selling dealer felt the vibration, roadforce balanced the tires twice and then said the vibration was normal., I also get this from time to time where it feels like the idle drops down just a bit. I drive a 4cyl Dodge Journey for work and that engine is more like a lawn mower. It makes the Kia 4cyl feel so smooth and refined, but I …, Loose or Disconnected Hoses. Loose or disconnected hoses can also be a common cause of many types of engine vibration. A loose or disconnected air hose or vacuum hose can cause quite a bit of violent shaking and vibration in your 2014 Kia Soul 's engine. To correct the problem, simply look for any loose or disconnected hoses and reattach them ..., 56 posts · Joined 2010. #7 · Oct 4, 2013 (Edited) Kgray - This is a common (but intermittent) problem with the NU 2.0 MPI Engine. This issue also shows up on all of the Hyundai forums because this engine is a Hyundai design/build. My 2.0 will exhibit rough idling about 7 - 10 times a month. Mine has been doing this since I drove it off the lot., The vast majority of vehicles produced and sold include a factory radio or CD player. For most people, that's fine. But if you're an audio enthusiast, or want to add extra features..., 1. Rough Idle. When your Kia Soul has bad fuel injectors, you may notice a rough idle. This occurs because the injectors are not providing a consistent flow of fuel, causing the engine to operate unevenly. With a fuel injector that is not properly atomizing fuel properly, your Soul is going to have a difficult time idling., Oct 9, 2019 · 2. Badly fouled spark plug. It can cause a particularly nasty kind of low-speed pre-ignition. 3. Carbon in the intake system (the plague of GDI engines), valves, or cylinders. You can glance at the throttle body by pulling off the intake boot and using an inspection mirror. Anything else would require a borescope. , 751 posts · Joined 2011. #18 · Apr 12, 2012. My rig has over 8000 miles on it now and I only rarely have a slight "idle fluctuation". I would not call it a vibration as it is too smooth to be annoying. The surging you (OP) speak of, might be the transmission "shifting" up a gear, as you gently coast to a stop., Apr 29, 2022 · On hot start (say, drive to store, park, come back out to car within 30 mins and restart engine): -If A/C is off, car idles fine. -If A/C is on, idle bounces between 1100 and 500rpm, about one surge per second. sounds like someone is tapping the accelerator pedal. -Engine shakes when the rpms drop to around 500, feels like it might stall but ... , The reason your Kia Forte shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the car into gear, the torque from the engine will hold it against the frame. It can be very jarring when your Kia Forte shakes when idle., When our 2013 KIA Soul has sat idle for an hour or two after driving when it is started back up it often idles very roughly and will even kill and need to be restarted and then still run rough. Shifting into neutral and back to drive can help it to run a bit better., The light comes on only at idle, goes away while the engine is at a higher RPM. First, check your oil level. Just because you had it changed 4 months ago doesn't mean that a problem couldn't have developed since then. Until proven otherwise, always trust the oil pressure switch., Oil light flickering at idle. Yesterday just bought a 2016 Kia Soul Exclaim 2.0L from an individual with 105,000 miles. This morning I was sitting in the drivethru at the bank for about 15 minutes and I noticed the oil light flickering. Not on steady, but randomly flickering. As soon as I'd rev the engine, the light would go out., What could cause vehicle vibration during idle after the car has warmed up. 2016 Kia soul 1.6L - Answered by a verified Kia Mechanic., Almost every car engine, going way back, will start at a high RPM and slowly drop as it warms up. 500 to 800 is typical for most car engines and will vary from engine to engine. The idle on the Kia Soul is controlled by the ECC, not a set screw as on the old NA engines of the past. It is what it is., When our 2013 KIA Soul has sat idle for an hour or two after driving when it is started back up it often idles very roughly and will even kill and need to be restarted and then still run rough. Shifting into neutral and back to drive can help it to run a bit better. , 11 posts · Joined 2023. #1 · Jul 17, 2023. Hello all- I’ve got a 2015 Kia Soul that seems to “stutter” when accelerating, especially uphill. It feels like there is stoppage or “hiccups” in the acceleration (not sure if this is referred to as bucking or not- it’s not smooth like before). MPG seems to have gone down slightly ...