2015 Sonata Rough Idle

I am just going off past experience with my Subaru but it sounds like old spark plugs are causing you to idle rough? Other then that maybe a fuel pump or fuel injection issue causing an rough lean fuel mixture? Either way I would think it should be an easy fix. 0l DOHC Odometer: 78,000 Recent work: replaced MAF with new, cleaned ignition plate, ran through 1 tank with Techron fuel system cleaner. Shop 2015 Hyundai Sonata vehicles for sale in Vancouver, WA at Cars. I am new here not to forums I frequent the diesel forum scene mainly however I seek help from the gurus on here. Honda will notify owners, and dealers will replace the engine short block, free of charge. 2016 Latitude 4x4 - 2. Anyone else have this issue? I plan on bring it up to the dealer when I go get my first oil change. So, I have a 2007 Corolla [about 90,000 miles] that idles rough (rougher when I use the power windows or the AC) and was throwing a 0420 code. Any ideas?. have checked compression, spark, fuel, timing marks. Our certified mobile technicians come to you 7 days a week between 7 AM and 9 PM. We offer high quality new, OEM, aftermarket hyundai sonata idle control valve parts. 3l and it's idleing really rough, and during an extended idle, 10mins or so, with a/c running it stalled out. Factory idle is set too low. When the engine stalls, turn the ignition off. I've had my '13 ST3 for about a month now. 5L Gasoline Turbocharged Direct Injection (GTDI) engine and built on or before 6/1/2014 may exhibit a rough idle and/or DTC P0087 after a hot engine restart. 0T and 2015 Toyota Camry XSE V6. Sonata 2015 sport Engine vibration & rough rpm idle 6 Z Baroudi. Re: who all has rough idle in a 3. The truck runs fine no obvious problem. So the sage continues. Just picked up my 2016 Silverado cc z71 with 5. i purchased my hyundai sonata on 1/05/2015 with only 6 miles from sheehy hyundai of waldor in maryland after 11 days of purchase on january 16 2015 at approximately 5:45 pm (rush hour in the dc metro area) my sonata came to an abrupt stop without any warning signs on the highway in middle lane which is very dangerous and very scary and put me. just giving. Only stalls after car is warmed up, (driven), and at a stop. Some 2001 MY 2. I notice the rpms are lower in drive than they are in park. I was thinking of trying a high grade of fuel to see if this makes any difference. The 2016 Hyundai Sonata is 15. If the engine air filter is found to be saturated with water or frozen engineering is. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. 0 ecoboost engine. Discussion Starter • #6 • Aug 6, 2015 So, just in case someone is interested in outcome or comes across the same issue. Hyundai vehicles that exhibit a no start, rough idle, fluctuating idle, or Hyundai code may require a Hyundai throttle body cleaning and relearn procedure. 0 TDi 140 PD (BLB engine), with 177,000 on the clock. when you start the car after it cools down it will idle a tank of gas through it and not mess up once but once you put it in gear it starts loping and missing. DLAv8r Member. After various issues and 3 weeks at the first garage, I have "mysteriously" developed additional, unusual issues with my 2015 SRT. Also, you will have to keep the engine speed up yourself when the car is cold). Constant weak/rough idle and/or random P000A solution Just wanted to let everyone know what my solution was to these two problems. 0XT SUVs for a stalling risk. USUAL CAUSE The usual cause of abnormally high idle speeds are vacuum leaks or an inoperative idle speed control motor. My husband said sounds like a vacuum problem to him. Now it is at most red lights and stop signs. My 2013 spider does the same thing, at cold start high rpm give or take a minute, than as it starts to level off, idle fluctuation happens about 10-15sec afterwards all is good. There I spent time in. A misfire will cause the engine to momentarily stumble, or lose rpms, and then regain its normal engine speed. 0 is that rough idle is usually caused by vacuum leak as mentioned above already. Rough Idle When Cold. This is overcome as soon as a higher RPM is reached when the velocity of air can overcome the disrupted shape, but get's worse as the coking deposits. Shop for an idle air control valve at your local AutoZone store or online, and benefit from our customized selection. I have a 2018 Sonata and it idles rough also and when I'm at a stop, if you barely take your foot off the brake, then it goes back to normal, which is telling me that Hyundai has a problem with a egr valve from the motor to the brake booster. I do know that my 6 speed 2015 Corolla S Plus does drop RPMs with the HVAC system off completely. Hopefully, the check engine light is on. truck recently started idling really rough, stalling at times with exhaust popping sounds. I noticed a rough idle and 300rpm above normal idle. It was a rough idle at that first stop with a cold engine. Car stalls out when it idles or not givin gas 14 Answers. I got my dad a 2015 auto V6, and it has also done it since day one even with the AC off. I wouldnt have bothered with TPS, if i were you. I had antifreeze leaking into a few of the spark plug holes and now it's fine,but the random engine light,along with the popping noise,rough idle,lack of power,and bucking/surging still happen. i haven't pinpointed anything specific - like weather related or dampness that is c. Ran a can of seafoam and the engine felt a bit more stable but not 100%. Lexus IS250 and GS300 rough idle and/or P0301, P0302, P0303, P0304, P0305, P0306 CARspec now offers walnut shell blasting of the intake valves to help prevent this issue! 2006+ IS250 and GS300 owners are frequently concerned over a rough idle, especially after sustained freeway driving, or a check engine light with codes P0301, P0302, P0303. Anyone ever seen a 2015 xp1k car run rough at part throttle and at lower rpm. Since the day I bought it, I've had what I consider to be a very rough idle. How To Tell If A Vehicle Is Idling Rough. A: Rough idle can be a gray area, and sometimes the root of the problem isn't the engine itself, but the engine mounts supporting it. However, the most likely causes come from the basic operating components that control fuel and ignition. The 2015 Honda CR-V is one of our favorite compact crossovers on the market—as well as one of. When I bought my 2015 Limited back in March up in the metro Philadelphia area it had a rough idle. Misfire/Rough Idle. Is your vehicle hard to start? Does it miss under load and idle rough?. DOWNLOAD Repair Manual & Wont Idle Johnson Mercury Evinrude Yamaha Suzuki DOWNLOAD a complete outboard repair manual in seconds. So now my truck is developing a rough idle, sputtering with RPMs going from 500 to 1500, back down and up again, then stuttering and dies. Rough idle on '02 sonata 2. If this switch has a fault, it will cause the idle control valve. Discussion Starter • #6 • Aug 6, 2015 So, just in case someone is interested in outcome or comes across the same issue. I recently purchased a 2016 Tech package 2 wheel drive. I notice the rpms are lower in drive than they are in park. The 2015 Hyundai Sonata is ranked #3 in 2015 Affordable Midsize Cars by U. I took it to the dealership and they said it was a fuel injector going bad. I'm hoping it is a break-in issue that will go away as the miles rack up, although from what I've read on here it seems that it is just an inherent flaw with the CR-V. In my opinion all GM pushrod engines shake a little at idle which can get transmitted through the cabin. I'm very frustrated. Rough Idle - 2015 BS Please check out the new club website for the Cayman Club at www. I would say it's a little less if the cars been running for an hour or so but still not very good. I am having the same exact problem with my 2015 and their is no recall. Hi guys, I just bought an used 2013 Honda Accord EX-L 4 cylinder (36K miles) and its already making issues, It has a rough vibration when in idle position (D + Brake) and when reversing, Looks like. 4L ENGINE RUNS ROUGH, IDLES ROUGH, DTC P0335 Date OCTOBER, 2001 Model 2001 2. Buy online or call toll free. Incorrect Idle Speed: While the average idle speed falls between 600 to 1,000 RPMs, if your vehicle is experiencing a rough idle it could be due to an incorrect idle speed setting. for 2010 models, it affects only the automatic transmission, for 2011-2012 all transmissions types are affected. 4L (1990) > Hyundai Workshop Manuals > Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > 9536002 > Jun > 95 > Engine - Idle Surge/Rough Idle. 6L Gasoline Turbocharged Direct Injected (GTDI) engine and built on or before 3/13/2015 may exhibit an engine idle surge on cold start. 9 feet long and has a curb weight ranging from 3,250 pounds for 2. The 2015 Hyundai Sonata has 9 problems reported for cam shaft sensor failure. A misfire will cause the engine to momentarily stumble, or lose rpms, and then regain its normal engine speed. You can find the proper procedure to test the purge valve in the vehicle's service manual. The most recently reported issues are listed below. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. On or about 3/15/2015, purchased a new 2015 Hyundai Sonata. 2015 Forester rough idle on cold start up I have a 2015 Forester xt and on cold start ups it idles really rough especially if I turn the A/C on. The 2015 Hyundai Sonata has 9 problems reported for cam shaft sensor failure. 2015 EX-L AWD with about 250 miles has the vibration at idle in D. I have a 2018 Sonata and it idles rough also and when I'm at a stop, if you barely take your foot off the brake, then it goes back to normal, which is telling me that Hyundai has a problem with a egr valve from the motor to the brake booster. I have no check engine light, and it seems like it has a random misfire, only at idle. It's that easy. To see how frequently 2015 Hyundai Sonata problems occur, check out our car reliability stats. 2015 Hyundai Sonata Engine Problems. After spending 45 min cleaning the throttle body, she purse like a kitten. I had it from day one, I figured it's part of the warm up process. It seems like this issue isn't exactly uncommon with 2015-16 GM Suv's and trucks. Should I bring it to the dealer for a tuneup? Does Ford possibly have a software update for it? Not sure the tuneup interval for these vehicle. 5 out of 5 stars. As the owner of a Hyundai vehicle, please ensure that each recommended maintenance service is performed at the prescribed interval. Hyundai Sonata 2015, Direct Ignition Coil by World Source One®. I noticed during low speed cruising it would hesitate for a split second the same feeling I get when my fuel injectors shut off going downhill. What you describe is normal. The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. The contact had to apply excessive force to bring the vehicle to a complete stop. The contact owns a 2015 Hyundai Sonata. Hyundai Sonata Idle Control Valve Replacement costs between $217 and $616 on average. My only mods are a JLT catch can, electric cutouts, and a K&N drop in filter. It's almost like the engine wants to shut down while I'm stopped, but changes it's mind. A download outboard repair manual is a book of instructions for learning how to maintain, service, troubleshoot, and overhaul the engine to factory specifications, including procedures for engine wont or. 0L Engine / Mods: Bolt-ons, Exhaust, Tuning' started by Andy13186, Jan 30, 2019. I have had it save everything from outboards that won't stay running or run rough, to 2 stroke weed whackers doing the same, to cars with very rough idle and poor performance. A passenger car will usually idle between 600-1000 RPMs. (Image) 2015 Hyundai Sonata Long-Term Road Test - IntroductionWill the 2015 Hyundai Sonata continue its predecessor's success as the midsize sedan's styling matures? Learn more about Hyundai Sonata at the Edmunds. 1Li rough idle and stalls when you accelerate you replaced wires plugs and a faulty coil still has rough idle but better than before and still stalls on acceleration also. Re: 320i E90 Engine vibration, rough idle and misfire i recently resolved my low frequency shaking at D/P/N with rpm needle fluctuating +/-50rpm at P and N, but stable at D the shaking is very low frequency type of shake, but very strong, can feel on the seat and even the floor. Maintained oil changes in accordance with "normal maintenance schedule" as described in owner's manual. Engine has a rough idle Your engine idles when it is a stationary and in this position the engine normally produces around 1000rpm. Throttle Body is bad 3. Today, it ran fine going to work, then fine again coming home for lunch and returning to work. just giving. I hopped into her about 30 minutes ago to run to the pharmacy and noticed while sitting at a light waiting to turn that she was idling pretty rough. Show example Hyundai Sonata Car idle is rough Inspection prices Car idle is rough Inspection Service A rough idling engine can be caused by a number of issues, some of them are serious while others tend to be minor, but the symptoms remain pretty much the same. 3 engine that runs rough and sputters on occasions. When I bought my 2015 Limited back in March up in the metro Philadelphia area it had a rough idle. Since the rev/stall problem stopped, the vehicle has had a really rough idle and is consistently getting under 15MPG on the freeway, 12 city (EPA rated at 19 FWY, 15 city) We've heard the following theories raised: 1. I'm hoping it is a break-in issue that will go away as the miles rack up, although from what I've read on here it seems that it is just an inherent flaw with the CR-V. Then when I release the brake the truck lunges a little as the rpm goes to around 1000 without touching the gas. It may also Run rough when warm, slight knock, no codes setting. When your AC compressor kicks in or power steering is activated as you suddenly turn the steering wheel, the sudden drag o. When shifting into drive, the motor would jerk violently. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the. Honda has issued an advisory to owners of 2015 Honda CR-V models, after receiving many complaints about a strong vibration at idle and low rpm—one that we experienced earlier this year in a test drive. On your next oil changed, take your Dart over to your dealer and put it beside another one with the 2. Check engine light for Misfire number 3 engine cylinder, car did have rough idle, dealer could not replicate the problem, no Parts replace, Return to top 2015 Hyundai Sonata 4dr Sedan. It was really cold a week or so, then I began hearing it. Honda's number for this recall is JP2 (for Accord models) and JP3 (for CR-V models). Title: Diagnosing Hard Start / No Start, rough idle complaints or ICP pressure concerns with the CPA Tool Applies To: EPA 2007, EPA 2010, HD OBD (2013) MaxxForce DT, 9 & 10, N9 & N10 engines CHANGE LOG 2015/6/3- Added CPA Signal 2015/5/18 - Formatted Article 2015/4/29- Added links to SRT elemental steps 2014/12/16- Added hot test explanation. Research the 2015 Hyundai Sonata at cars. A misfire will cause the engine to momentarily stumble, or lose rpms, and then regain its normal engine speed. 0T in April of 2016 brand new. After various issues and 3 weeks at the first garage, I have "mysteriously" developed additional, unusual issues with my 2015 SRT. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model. Love this car. 5T is almost too small and efficient for its own good at times. Reconnect fuel line and the fuel pump relay. My 2007 XE four cylinder has a very rough idle, felt mostly th rough the steering wheel. The car seems to shudder every few seconds, and idles smoothly between shudders. the affected vehicles are equipped with an antilock braking system (abs) warning light intended to warn the driver if there is an abs malfunction. I'm not sure which way he is asking now. the Idle control actuator is not active at this time. Car Talk Community. It takes a few minutes to warm up and then idles pretty good, but I am getting the occasional spit and sputter on take off and some decel popping between shifts. The sound the engine gives off is constant and smooth but if your spark plugs aren’t performing as they should, your engine will produce a rough and jittery sound while producing larger vibrations through the car. So, I've had the 2014 Corolla LE Eco since mid-November and it is back in the shop again today for a check engine light. My quick fix is to raise the idle up to 900 rpm where the engine vibration smoothes out. The parts and labor required for this service are. My 2013 spider does the same thing, at cold start high rpm give or take a minute, than as it starts to level off, idle fluctuation happens about 10-15sec afterwards all is good. When you are at speed, the throttle is open from the accelerator pedal under your foot. Fuel pressure at idle is right around 50, I smoked the intake and found zero leaks. Toyota and Lexus rough idle after battery replacement A common concern DIY Toyota and Lexus owners call CARspec for is a rough idle, starting and dying, or a hard start just after replacing or disconnecting the 12 volt starting battery. The car runs at a rough idle as the check engine light flashes and then it may be 1/2 day to 4 days the light will go solid and stay on, but run good. I'm hoping it is a break-in issue that will go away as the miles rack up, although from what I've read on here it seems that it is just an inherent flaw with the CR-V. I leased a 2015 sonata limited with all the doodads its a nice car BUT BlueLink is turning me blue cs its not working. 0 ecoboost engine. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the. Cause: Coolant getting into the cylinders. My 2015 Hyundai Sonata was purchased brand new, and have had multiple power/acceleration issues; however, the most recent happened on March 19, 2019. Just a rough/missing type idle ONLY after the car is warm. truck recently started idling really rough, stalling at times with exhaust popping sounds. What on earth is the common problem with Hyundai Sonatas (2001 manual model) when the RPM's surge up to 5000 RPMs on - Answered by a verified Hyundai Mechanic We use cookies to give you the best possible experience on our website. applied vehicles are the 2010-2012 pathfinder, frontier, and xterra with the v6 motor. It get worse the longer I drive during the day. Some older cars use a carburetor to process fuel, rather than a fuel injection system. This idle speed also depends on the accessories that are currently running as a car's idle control system will automatically raise the idle in order to provide power for auxiliaries such as air conditioning and power steering. It does not happen in gear, and does not happen all the time. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. 4L engine noise. The idle RPM seems correct at about 650. A passenger car will usually idle between 600-1000 RPMs. I even tried v power a year later and the symptoms reappeared and disappeared again as soon as I filled up with another brand. I just got rid of a 2015 Stingray that idled very rough. About a week ago i been experiencig rough idle at cols start up. SYMPTOM SUMMARY The engine idles too high. Cause: This condition may be caused by a fuel trim value not being reset after an intrusive evap purge test, causing a temporary lean condition. Ran a can of seafoam and the engine felt a bit more stable but not 100%. This information may be used by NHTSA during the investigation process. Sonata L4-2. I have tried cleaning the fuel lines, replacing the IAC motor, and, today, replacing the MAF sensor. When I stop the car while it is running, say a red light, the car runs very rough, I mean rough. Aug 10, 2015 Rating: rough idle by: vetteguy If your car was running fine and this problem just started to happen, check this. (Page 4 of 9) rough idle and doesn't accelerate. Hi everyone, i bough in 2011 a 2010 sierra 4x4 5,3l brand new, at 8000km i reported a rough idle ( almost undetectable) looking at the water in my water bottle i saw ripples and it stop and ripples again. The TL and TSX are dead, and Acura has a new designation for their most important car: the TLX. Please also check out the statistics and reliability analysis of the 2015 Hyundai Sonata based on all problems reported for the 2015 Sonata. 2015-2018 GMC Yukon Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. My first attempt at self fixing was to change spark plugs. DOWNLOAD outboard or inboard marine repair manuals straight to your computer in seconds—fix your problems now. 4L 4 cylinder engine) lost power and stalled in the middle of city street, while driving. Research the 2015 Hyundai Sonata at cars. My husband said sounds like a vacuum problem to him. Vehicle in question was 2011 Ford F-450 Super Duty service truck with 6. My only mods are a JLT catch can, electric cutouts, and a K&N drop in filter. have tried much to fix it. View video to learn how auto repair shops can solve GDI engine intake valve carbon problems easily with CRC IDV Intake Valve and Turbo Cleaner. Spark plugs have not been changed. When shifting into drive, the motor would jerk violently. 6, I want to add little, stress little more sound to my exhaust, I’ve been doing. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. After few months at 29000 miles, 2015 Sonata se (2. I did report to the dealer to no avail. DOWNLOAD 25HP Outboard Repair Manual Mercury Johnson Evinrude A 25HP Mercury Johnson Evinrude Yamaha Suzuki Mariner marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 25 HP outboard motor to factory specifications. White smoke and/or coolant odor may come from the exhaust for an extended period of time at cold start as well. 6L Gasoline Turbocharged Direct Injected (GTDI) engine and built on or before 3/13/2015 may exhibit an engine idle surge on cold start. Rough Idle - 2015 BS Please check out the new club website for the Cayman Club at www. Direct replacement for 27658-06 on 2006-2017 Harley. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes. Show example Hyundai Sonata Car idle is rough Inspection prices Car idle is rough Inspection Service A rough idling engine can be caused by a number of issues, some of them are serious while others tend to be minor, but the symptoms remain pretty much the same. His initial question was low idle without running AC. i haven't pinpointed anything specific - like weather related or dampness that is c. Car stalls out when it idles or not givin gas 14 Answers. 2015 200C 22K Miles - Engine Light Blinking, Rough Idle - *Solved* Jump to Latest Follow 1 - 9 of 9 Posts. When a throttle position sensor goes bad, your vehicle may stall or run rough at idle, and may stumble upon acceleration. Rough idle and misfire from cold start Just got a Jetta again - 2010 Limited Edition just shy of 100K miles and I've got one problem with it. 4l 4 cylinder, a defective exhaust gas recirculation (egr) switching valve may cause an. have checked compression, spark, fuel, timing marks. CarComplaints. My hyundai sonata idle rough and the exhaust pipe turns red hot after a few minutes. Mine does this every once in a blue moon, all I do is rev it a few times or hold it at 2-3k RPMs for a few seconds and it clears up right away. Sep 2015 20000 mi The car was cranking a long time before turning over and running rough, with hesitations, loss of power, and trouble shifting (Auto Transmission). As soon as the oil pressure stabilizes, the ECM starts working the hydraulic control of the cams for economy and emissions. 7L ecoboost motor. OK98EXP New Member. Rough Idle When Cold. I suspect a tune is will solve it, but I'm wondering if there could be something else causing it. Check engine light for Misfire number 3 engine cylinder, car did have rough idle, dealer could not replicate the problem, no Parts replace, Return to top 2015 Hyundai Sonata 4dr Sedan. It is the injector on my car. i sold our new Tahoe with no issues and some equity, for a used Tahoe with issues, and now I'm upside down. Oh and my 12 3. What on earth is the common problem with Hyundai Sonatas (2001 manual model) when the RPM's surge up to 5000 RPMs on - Answered by a verified Hyundai Mechanic We use cookies to give you the best possible experience on our website. I have been experiencing some annoying rough/erratic idles on cold engine starts. To rectify the situation, you need to replace your old IAC with a new idle air control valve for Hyundai Sonata from AutoZone as soon as possible. My car idles as smooth as glass. 6 DI and it was smoother running at idle than my 2015 ATS 3. 6L Gasoline Turbocharged Direct Injected (GTDI) engine and built on or before 3/13/2015 may exhibit an engine idle surge on cold start. It’s starting to idle rough, rattling, and running rich. Our replacement air intake parts will ensure your engine gets an ample supply. This condition may be caused by the exhaust camshaft coming out of time. Some 2001 MY 2. I have a 96 Jeep Grand Cherokee 4. When we first got it, it was smooth with a higher idle. I recently changed the water pump but when I tried to start the car, it would turn over but not start. Therefore it is difficult to pinpoint without the codes. I noticed it was very, very low on gas (my son was the last to drive it!). Misfire/Rough Idle. If your a do it yourself-er check vids on YouTube. Any ideas?. It doesn't last long, and is completely normal. At idle, the. I notice the rpms are lower in drive than they are in park. Turns out it was a vacuum leak at the intake manifold plenum. When shifting into drive, the motor would jerk violently. 6R has 6,800 miles thus far and I have not experienced any rough idle at a stoplight with the a/c on. My 2015 hyundai sonata was purchased brand new, and have had multiple power/acceleration issues; however, the most recent happened on march 19, 2019. Rough idling is a common problem, of which the exact cause can be difficult to diagnose, as several factors may come into play. The rough idle isn't horrible, but I feel like an idiot. From a cold start, usually in the morning, the 1st 10-15 seconds run rough before settling down to idle. Original review: March 22, 2019. Welcome Enthusiast! If you already own a Chevy TrailBlazer or GMC Envoy or perhaps thinking of purchasing such a vehicle, then you have come to the best TrailBlazer and Envoy site on the net!. Hyundai Sonata Idle Control Valve Replacement costs between $217 and $616 on average. Hyundai motor america (hyundai) is recalling certain model year 2015-2016 sonata vehicles manufactured may 28, 2014, to august 21, 2015. 5 ivct engine did the same thing so I had my dealer check it and they said that was normal. A passenger car will usually idle between 600-1000 RPMs. Buy online or call toll free. Issue exists from driving off lot at 150 km's to now 5k km's. Turns out it was a vacuum leak at the intake manifold plenum. Once it warms up, its rough enough when idling to shake. Hyundai Sonata Rough Idle Due to Faulty EGR Switching Valve - 153 reports. Vehicle Summary. Loose or broken vacuum hose/vacuum leak. This is where things get weird. Finally, when driving and depressing the brake pedal to come to a stop, the brake pedal seized. Aside from high idle issues, low idle and even sporadic stalling can both be attributed to a bad idle control valve. A bad Oxygen sensor can trigger the engine to over adjust and cause a rough idle as well, but the chances of a bad sensor without throwing a check engine light and code would be really rare. The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. I can't remember if it gave a high idle out of gear or not. Idle rough but engine mounts absorb most of it, except every 3 seconds or so it seems to stumble and I can feel it in the cabin. If I had to say, I'd say it is running rich. When the engine stalls, turn the ignition off. Rough idling is a common problem, of which the exact cause can be difficult to diagnose, as several factors may come into play. Follow these steps to complete an Idle Relearn: With vehicle at a complete stop, set the parking brake. If you get engine stumble then you have bad wiring inside the insulation. Car alarm goes off on its own Hyundai Sonata; Hyundai clicking noise when turning; Hyundai clicking sound when turning; Hyundai code P0128; Hyundai Engine Recall; Hyundai Fuel gauge readings wrong or erratic; Hyundai headlights dim; Hyundai no start; Hyundai Rough idle, no start; Hyundai Sonata Hesitation; Hyundai throttle body cleaning and relearn. The Rogue starts but runs like it has a clogged fuel filter - no power up hills, low rpm, rough idle. They agreed and when they looked at it they said. Hopefully, the check engine light is on. 4L engine noise. 2L and that I underestimated how much power is in that motor. Idle air control valves open to allow more air to "leak" into the intake, raising the engine rpms, or close when not needed. After a few more days the engine management light came on. Had the BB Tune bump the idle up to 600 at 1000 miles and that seemed to eliminate it for the time being. 6 DI and it was smoother running at idle than my 2015 ATS 3. hi, have a problem today. A rough idle/misfire usually starts out as being merely a nuisance, but if the causes are not identified and corrected, it may result in your engine not starting, or stopping altogether when you least expect it. I've viewed this page plenty of times for tips but wanted to chime in. Sep 2015 20000 mi The car was cranking a long time before turning over and running rough, with hesitations, loss of power, and trouble shifting (Auto Transmission). A trained mechanic can easily adjust the idle speed, and it should stay at the proper speed. 2 just wondering if anyone has some good news for me i idle at like 150-250 RPM really stressful and starting to lose some hair over it. 4L 4 cylinder engine) lost power and stalled in the middle of city street, while driving. but after all the flashes to address the rough shifting, the idle is lower now. The most recently reported issues are listed below. UPDATE: I replaced the vacuum hose and the truck actually improved a bit however the idle remains rough and when gearing up to about 15 to 30 mph the idle gets jerky. The 2015 Hyundai Sonata has 16 problems reported for check engine light on. It get worse the longer I drive during the day. 0L Coyote Compatibility 5 Intake manifold: The Gen 2 intake manifold will fit Gen 1 engine, however no appreciable performance gains have been found • The Gen 2 intake now has CMCV (charge motion control valves) for emissions and low speed idle quality • Gen 1 intake manifolds can be used on the Gen. I have changed the plugs, wires, cap, rotor, it needed it anyway. Discussion Starter • #1 • Aug 28, 2015 So tonight when I got er out of the garage I noticed it started idling extremely rough almost like it was missing but like missing half the engine. Or you can mist wd-40 and get the same effect. Edited April 30, 2016 by 2015Z71. lean condition and rough idle can be a few things vaccuum leaks,fuel filter,fuel pump,clogged catalytic converter. Does my car have the AIDS/Ebola? (In)Vernal Equinox is also the Ides of March in 2015. 00 tuneup was spark plugs. 0L Engine / Mods: Bolt-ons, Exhaust, Tuning' started by Andy13186, Jan 30, 2019.