Hyundai elantra shaking at idle

Like. fenixignition. 421 posts · Joined 2009. #4 · Mar 6, 2014. MIL is Maintainence Indicator Light. also known as the Check Engine Light. sounds like a bad evap solenoid or something related to vacuum. if you have a vacuum leak, it can cause a rough idle. depending on where its at. ive seen a toyota camry evap solenoid go bad, and when it ...

I need advices on my car, its a Subaru legacy 2012 2.5i. It stalled at a red light a month ago so I changed the alternator and since then it shakes at idle. Whenever I stop at a red light or whatever, it goes at 500 rpm and the engine starts shaking. Whats the problem? They will provide you with a detailed maintenance schedule tailored to the make and model of your car, which should help you avoid future issues like vibration. Why is the idle in my Hyundai Elantra rough? The most frequent causes of a rough idle in a Hyundai Elantra are a vacuum leak, a spark plug issue, or an ignition coil issue. p0303- cyl 3 misfire. another code cant remember about bank 1 being too lean and a few others. car would idle rough, spit and sputter. after swapping coils, fuel injectors, cleaning MAF and TB, changing spark plugs and wires, nothing was working. with car running unplugged each injector to test, cyl 3 had no change. removed fuel rail to check ...Motor mounts or spark plugs could cause this symptom. Could be the idle air control valve! Elantras have been notorious for misfires. Take it to the dealer, there is actually an ECM update for your car, for that exact concern. So my 2016 Elantra is shaking when Idle. The car has 38,000 miles on it.Elantra. 2017. As the owner of a 2017 Hyundai Elantra, you may have found that your vehicle is idling roughly. This can have a couple of causes, many of which have been reported for this Make and model. First, you may be experiencing a leak in the vacuum hoses. If this is the case, you will pay between $12 and $19 on average for a new hose.Aug 17, 2020 · I have been experiencing some shaking/roughness while driving my 2017 Elantra. It's intermittent, yet noticeable when it occurs. It has happened at different speeds, including when I'm idle or parked. The intermittent shaking started about three weeks ago and just last night the engine light finally came on. Feb 26, 2015 ... Hi Everyone: This 2001 Hyundai Santa Fe with a 2.4L engine has a rough idle and hesitation. The code is PO171, system lean, freeze frame ...2005 Elantra rough idle/ heavy vibration Jump to Latest Follow 4K views 3 replies 3 participants last post by grcauto Mar 8, 2020

My 1998 Hyundai Elantra 1.8L idles very high at startup. The colder it is outside the higher it idles. It does not have a tachometer but sounds like it is idling around 2500 to 3000 RPMs. Once it warms up, the idle will return to normal but sometimes I have to cut the air conditioner on to force the idle down to normal.Jun 26, 2019 · sbr711. Slow idle harmonics,,, turn on A/C steps idle up slightly to help dampen crankshaft pulses.... same effect as your lawnmower at slow speed,, run it up and fire pulses is so close together it cancel out the feel.. <--- Please fill in the 'location' and 'what you drive (year & chassis) and engine size ' boxes on your personal profile page ... Hyundai elantra 2012 modelRough idle issue when a/c turned on. Milage approx 45k km.I have the same exact problem with my 2012 Hyundai Azera. It shakes pretty bad when it's parked or stopped at a light. I took it to the Hyundai dealer more than 10 times. Every time that I took it there it had the same problem (rough idle) I was calling the Hyundai corporate office almost every day for about 4 months.If the front or rear motor mount is weak/bad the vehicle will have a noticeable vibration at idle that seems to disappear when driving. The rear mount I am speaking of is underneath, middle of the car, and runs from the sub-frame to a bracket on the engine block. Just had to change one of these on an Elantra w/ 4cyl and was amazed at the ...Remove your spark plugs and see if the ends look corroded or damaged. Usually the misfire code will point to a specific cylinder, so you can move plugs to see if the misfire moves when plugs are moved. If the misfire doesn't move, replace the ignition coil of the misfiring cylinder. 1. Reply.my car has an annoying (non-related) vibration at idle RPM (800, or 1000 with the AC on), which i could get rid of by reving the engine an extra 150-200RPMs.. ... A forum community dedicated to all Hyundai models owners and enthusiasts. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and …May 17, 2019 ... TOP 5 REASONS FOR ROUGH IDLE ON HYUNDAI SANTA FE TUCSON ELANTRA VELOSTER ACCENT SONATA. Auto Repair Guys•37K views · 11:39 · Go to channel ...

Elantra sputtering on acceleration and rough idle. So I hit the gas and the engine attempts to rev up, but ends up sputtering along till it catches again and whirls up. It happens in all gears when going past a certain point on the gas pedal. Thought it might be dirty spark plugs, so I changed them out.Automotive Mechanic. 13 years of experience. Shaking or vibration may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve may cause the engine idle to drop below the normal idling RPM which may also cause the motor to shake or vibrate more than normal.Hyundai Elantra Coupe Shaking When Braking - RepairPal ... CloseThe most obvious reasons for a vehicle shaking in idle are: The Driveshaft has Failed - If not perfectly balanced or damaged, it might be the source of the vibrations CV joints That Have Failed - Working together with the driveshaft, cv joints get the engine power to the wheels and, if they are failing, can be the cause of the car shaking.jung woong han. Participant. I have 2009 Hyundai Elantra and engine vibrates at idle. It stop vibrate at right over 1000rpm. My fuel trim is normal, I check for vacuum leak but no luck and I even test engine with vacuum gauge. and engine is helathy at 22inHg. At dealershop they said I have bad fuel pulsation damper and it is making noise. 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 2015 Hyundai Elantra sedan's engine. To correct the problem, simply look for any loose or disconnected hoses and ...

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P0456 and P0302. I got a new gas cap for $5 and that took care of the P0456 (small gas leak). P0302 Cylinder 2 misfire was still there. I changed the wires, but still the idle was rough. Still throwing the P0302, the guys at Autozone and Advance Auto said the plug for cylinder 2 could have been faulty. So I got a new NGK plug for #2.The 2016 Hyundai Elantra has 86 NHTSA complaints for the engine at 33,219 miles average. (Page 1 of 5) ... The vehicle also shuts off at stop lights, drive-through, or idle. How was your safety or ...But still only the cylinder p0302 still misfire and the car is still shaking randomly when it is in idle or brake is pushed , sometimes it even jerks while in motion. what other things I can check your advice really appreciated. ... (2001 Hyundai Elantra) and it started shaking and felt like it was going to stall.An engine misfire is the most common cause of a shaking idle, and as the engine stumbles and misfires, it should be noticeable on the tachometer as a drop in RPM. If the tachometer is rock steady, and the shaking seems worse out of gear than in gear, it indicates a bad motor mount. 4. Engine Timing.

Hyundai Mechanic: Jake. have him check the exhaust camshaft timing, should be -101 degrees at idle. if it's not have him clear the ECM adaptive memory and see if it corrects. if it continues to default to the incorrect timing degree then remove the valve cover to verify the timing. Ask Your Own Hyundai Question.Oct 9, 2020 · I notice on my 2018 2.0T that I have a rough idle within 30 seconds of a cold start. It's very noticeable when it hits about 1500 RPM. It goes away when it goes down to 1000 RPM. I have attached a video that shows the startup: There are no pending codes and the check engine light has never gone on. Fuel Injector. Fuel injectors that are dirty, clogged, or dysfunctional cause your Hyundai Elantra to shake because they prevent the fuel needed to enter the combustion chamber. Apart from that, when the fuel injectors are also leaking, they can also cause severe damage to the engine. To fix this hindrance, you can clean your Elantra's fuel ...F. flyingvee Discussion starter. 3 posts · Joined 2022. #1 · Mar 21, 2022. Hi, My 2009 model is running rough at idle, no check engine light. Is it still wise to check codes (need to borrow a code reader if so). I am not one to do my own repairs, but have been looking at the throttle body cleaning method as a possibility to help this?Aug 17, 2020 · I have been experiencing some shaking/roughness while driving my 2017 Elantra. It's intermittent, yet noticeable when it occurs. It has happened at different speeds, including when I'm idle or parked. The intermittent shaking started about three weeks ago and just last night the engine light finally came on. Elantra sputtering on acceleration and rough idle. So I hit the gas and the engine attempts to rev up, but ends up sputtering along till it catches again and whirls up. It happens in all gears when going past a certain point on the gas pedal. Thought it might be dirty spark plugs, so I changed them out.Subreddit dedicated to the auto maker Hyundai. Come share news and pictures and discuss everything related to Hyundai. Discussions about Hyundai Group corporate cousin Kia are also welcome, though they should really go in /r/Kia. ... 2017 Elantra shakes while idle - check engine light on but disappears when pressing the brakes. ElantraThe car has about 114,000 miles on it I believe. My problem is that I have an annoying vibration at idle and at highway speeds of 60-65 mph. The vibration decreases somewhat towards 70 mph. The vibration at idle is usually present, but sometimes vanishes for no apparent reason. The car is very smooth below 55 mph, but when around 60-65 mph ...They will provide you with a detailed maintenance schedule tailored to the make and model of your car, which should help you avoid future issues like vibration. Why is the idle in my Hyundai Elantra rough? The most frequent causes of a rough idle in a Hyundai Elantra are a vacuum leak, a spark plug issue, or an ignition coil issue.11821 posts · Joined 2011. #2 · Feb 11, 2015. Yes this is somewhat normal for Accent and Elantra, especially rough idle when stopped in D (At stoplight). It also seems to be common for other makes of 4cyl cars lately. Basically the rpm is set low to reduce fuel consumption at idle and this is the result.

11 posts · Joined 2019. #1 · Aug 14, 2020. 2017 Hyundai Elantra is displaying check engine light when accelerator /brake pedal is used, no light on when cruising on constant speed / declaration and engine shudders at idle ( traffic stops etc., ) . This happens occasionally and when i shut off the engine at a safe place and turn back on , the ...

Stage 1: Vibrations. The most noticeable symptom of a motor mount that is going bad is vibration. That is, more vibration than you would typically feel when you are driving your Elantra. You'll know when it's happening. It may not necessarily feel like the vehicle is going to rattle apart, but it's very noticeable.So, I open the hood with the engine running and see the engine rocking itself back and forth. The exhaust was much louder and it was blowing air out in puffs - making puff-puff-puff or bawff-bawff-bawff sound. I turn the engine off. Wait a minute then turn it on again, RPM goes to 2000 then quickly comes down and much less shaking, RPM stays ...1 post · Joined 2022. #1 · Sep 10, 2022. I have a 2016 Elantra that has a slight vibration when at idle. You can slightly feel it in the seat and the vibration doesn’t go away if you put the car in neutral. I just bought the car and the dealership said they did a full inspection prior to selling me the car and they didn’t find any issues.A vibration at idle can be caused by many different issues, such as a dirty throttle body, vacuum leak, clogged fuel or air filter, low idle speed, spark plugs, fuel injector, oxygen sensor, etc. ... Hyundai cars from the Sonata to the Elantra and even the new Kona! Show Less . Full Forum Listing.Solutions For Mechanical Faults. Hyundai elantra stalling can be caused by several mechanical faults. One possible solution is cleaning the air intake or exhaust system. Another option is replacing spark plugs as they tend to wear out over time. If the catalytic converter is faulty, it may also need to be replaced.Rough Idle (Possible cause?) 10. Asked by mjr1397 Jul 21, 2020 at 02:15 AM about the 2014 Hyundai Elantra SE FWD. Question type: Maintenance & Repair. So, when I bought my car a year ago (used) it had a misfire. in cylinder 1. Got that fixed with new spark plugs. A few. months of having the car and the fuel pump went out.The N Vision 74 concept, inspired by the Hyundai N 2025 Vision Gran Turismo and 1974 Hyundai Pony Coupe concept, is a high-performance hydrogen fuel cell hybrid model. Hyundai said...

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1 post · Joined 2022. #1 · Sep 10, 2022. I have a 2016 Elantra that has a slight vibration when at idle. You can slightly feel it in the seat and the vibration doesn’t go away if you put the car in neutral. I just bought the car and the dealership said they did a full inspection prior to selling me the car and they didn’t find any issues.The car has about 114,000 miles on it I believe. My problem is that I have an annoying vibration at idle and at highway speeds of 60-65 mph. The vibration decreases somewhat towards 70 mph. The vibration at idle is usually present, but sometimes vanishes for no apparent reason. The car is very smooth below 55 mph, but when around 60-65 mph ...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 2018 Hyundai Elantra sport's engine. To correct the problem, simply look for any loose or disconnected hoses and ...Hi, I have a 2014 Hyundai sonata GLS with 83000 miles. The oil light turns on at idle only after I have driven the vehicle for about 15 minutes. It disappears when the car is in motion or when the tachometer is above 1000rpm either by brake boosting or at park. ... Elantra sedan/coupe NF (2006-2010) Sonata CM (2007-2012) Santa Fe MC …Rough idle. My 2020 ES has 17k miles on it. Noticed about 1000 miles ago that when my engine is warmed up and I’m at idle the engine almost feels like it is misfiring. Just used CRC intake valve cleaning thinking it might be carbon build up but no difference. Changed the air filter and cleaned the throttle body as well.jung woong han. Participant. I have 2009 Hyundai Elantra and engine vibrates at idle. It stop vibrate at right over 1000rpm. My fuel trim is normal, I check for vacuum leak but no luck and I even test engine with vacuum gauge. and engine is helathy at 22inHg. At dealershop they said I have bad fuel pulsation damper and it is making noise.At start up engine shakes. This only happens when car has not been started for several days. Checked with Blue Driver no errors. I have the 2.0L GDI engine and it has a low pressure fuel pump in the tank. It also has a high. pressure fuel pump located on the top of the engine. Searched on YouTube and found many. 2017 Hyundai Elantra shaking when driving and idle. Hello, I have been having an issue with my car for about a week now. Sometimes when I turn it on and drive it'll shake like it's about to stall on me. Even when I'm idle it'll start to shake. However, sometimes I can go an entire drive home without the engine light coming on and shaking. WytchDctr. 1809 posts · Joined 2004. #7 · Oct 21, 2006. Throttle position sensor for the idle vibration issue. "The true soldier fights not because he hates what is in front of him, but because he loves what is behind him." G.K. Chesterton. "That's because Hyundai Jesus said so. Respect him." - SuperGLS. ….

Used Hyundai Elantra Overview. The Hyundai Elantra is a compact sedan that has been in production since 1990. Over the years, the Elantra has gone through several different … 2017 Hyundai Elantra shaking when idling and low speed. Elantra. I’ve been having some problems lately with my Hyundai, I purchased it from the dealership used and have had it about 3 years. No issues until now, but I am at 109k! Recently I started noticing a strong shake and slight sputter but only when I’m stopped or going really slow. Intermittent Rough Idle - No Codes. ... Hyundai cars from the Sonata to the Elantra and even the new Kona! Full Forum Listing. Explore Our Forums. YF (2011-2014) Sonata/i45 MD (2011-2016) Elantra sedan/coupe NF (2006-2010) Sonata CM (2007-2012) Santa Fe MC (2006-2011) Accent.Hyundai via the smartphone app and offers a suite of services at the press of a button. This innovative connected system gives you the ability to remotely lock/unlock and start your vehicle, adjust climate controls, keep track of your vehicle's health with smart diagnostic tools and so much more. Real-time diagnostics ComplimentaryFind the location of the MAF sensor in your Elantra, unplug the electrical connectors, and remove the sensor from the housing. Spray at least 10 spurts of MAF cleaner onto the sensor and then let it air dry for an hour or until completely dry. Do not use cloth or cotton swabs to clean the sensor, as it can damage it.Hyundai Elantra High Beam Lights On. This means your front high-beam driving lights are on. These lights are used for 0.01% of driving and typically for country roads late at night. Fines can apply for use of high beams in dense residential areas. Do NOT use high team driving lights within 400 metres (1,000 feet) of an oncoming car.TOP 5 REASONS WHY HYUNDAI SONATA HAS ROUGH IDLE, ENGINE REVVING UPIf you have Hyundai Sonata and you have rough idle or the engine is revving up or what coul...2017 Elantra Dying while driving. The engine of my 2017 Hyundai Elantra keeps dying while I'm driving. It happens when I'm driving slow or turning. When it dies, power to the car stays on and the battery, engine, and oil light come on as well. It's easy to start again as all I have to do its shift it to park and turn it back on.Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue. 1. Irregular idle speed. One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine idle ... Hyundai elantra shaking at idle, Noticeable vibration at idle when AC is on. ... Hyundai cars from the Sonata to the Elantra and even the new Kona! Show Less . Full Forum Listing. Explore Our Forums. YF (2011-2014) Sonata/i45 MD (2011-2016) Elantra sedan/coupe NF (2006-2010) Sonata CM (2007-2012) Santa Fe MC (2006-2011) Accent., On average, the cost for a Hyundai Elantra GT Car is shaking or vibrating Inspection is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location. Car Service ... As mounts wear over time, the vibration may be more pronounced at idle while in gear, and may change when the vehicle is placed in neutral or park. Broken ..., Model: 1999 Hyundai Elantra GLS 2.0l DOHC Odometer: 78,000 Recent work: replaced MAF with new, cleaned ignition plate, ran through 1 tank with Techron fuel system cleaner. The problem has a few variations: - most often: you're cruising at 25-30, and the engine is doing little work; then, the engine goes quiet, and the gas pedal stops producing power -- the car starts slowing down, and soon ..., Below are 5 reasons behind abnormal engine vibration. Worn out or Faulty Spark Plugs. A worn out or faulty spark plug is a leading cause why your car engine vibrates or shakes uncontrollably. A worn out spark plug can prevent the fuel-air mixture to not get properly ignited in the cylinders, thus leading to misfiring., Rough Idle (low rpms ) I have an elantra 2009 Se, my car goes down to 600 rpms and shakes when I stop. It has 186.000 miles. I replaced the battery, I already replace the IAC, spark plugs, spartk plug cable, New alternator, new belts, new timing chain along with the water pump, I replaced the maf, I replace engine oil every 4 months, I replace ..., The Marvel Mystery oil quieted the injectors, made the idle more stable in my fuel system. Marvel in my oil reduced the valve noise. 6). Check your spark plugs. The Hyundai Iridum or Platinum spark-plugs can last a long time, but will need to be de-carboned and re-gap to 0.044 inches or 1.1 mm., About two - three weeks ago I noticed my Elantra would emit a light vibration / shake when stopped, but still in drive. About 5 days ago, when I started my car, it sputtered and shook, then stalled. I restarted it and it sputtered and shook and I turned it off. I restarted it and it had a rough idle for about 2-3 seconds, then it smoothed out ..., 2002 Hyundai Elantra: Sold 1991 Nissan 240sx Hatch SR Swapped: Sold 1992 Toyota MR2: Sold 1991 Nissan 240sx Coupe: Future KA-T 1999 Hyundai Tiburon: Daily Driver. Save Share. Like. Munky. ... Rough idle along with a chugging at low RPM. Changed the wires, worked perectly. Save Share. Like., Hyundai Mechanic: Mechanic01. So with no check engine light it shouldnt be a misfire, usually its fuel related, you need to check the fuel pressure and take a fuel sample, spec on that is 47-53 psi at idle. Ask Your Own Hyundai Question. Seems to be more transmission related. When placed in reverse, it jumps more I know these cars have been ..., When I'm stopped at a red light, I get this slight shaking/vibration. During a normal red light stop, it might happen about 2 or 3 times within 30 seconds. This seems to happen only during a dead stop while the car is in drive. ... Hyundai cars from the Sonata to the Elantra and even the new Kona! Show Less . Full Forum Listing., ROUGH IDLING AND STALLING. It never rains it just pours....I was about to return my friends OB2 Scanner to my friend and I noticed that earlier today my i10, 1.2 was struggling when idling. But...no loss of power and no Check Engine Light. Then suddenly the stalling started, not during acceleration but only at idle., Sometimes, idling problems that cause engine vibration may be as simple as adjusting the idle on a carburetor or cleaning components in the fuel intake system so that fuel passes through the engine more easily creating cleaner and more efficient combustion your 2016 Hyundai Elantra sedan's engine. , This sounds as if you have a low idle condition. I can say your car isn't likely to suffer a catastrophic failure because of this. With a condition such as this, it is normal for it to run rougher when electrical components are tuned on and it is normal for a car to run rough when the idle is to low.. My first instinct here is to clean the throttle body, fully warm the car, connect a scanner ..., I have a 2011 Hyundai Elantra with about 120K miles on it. For the last several weeks, it's been shaking/vibrating whenever I'm at a stoplight for more than 30 seconds or so. Sometimes it happens when backing out of a parking spot. Also, the battery light sometimes flickers on and off while this is happening. (No check engine light.), 2023 Hyundai Elantra N. The most common reasons a 2023 Hyundai Elantra N engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak. 0 %. 30 % of the time it's the. Low Oil Level or Pressure. 0 %. 27 % of the time it's the. Ignition System., Your Elantra needs fuel to run. If one of your fuel injectors is clogged or not firing correctly, it can cause a jerking sensation. Outside of bad fuel injectors, a bad fuel pump or fuel filter can also cause a jerk while accelerating. When either of these goes bad, there is insufficient fuel pressure at the fuel rails., FordFasteRR. 3950 posts · Joined 2004. #5 · Jul 20, 2005 (Edited) you only need to read codes if your check engine light is on or has been on recently.. and here is my suggestion for your tune-up. #1. new spark plugs. #2. new spark plug wires. #3. clean the coil pack sockets before you install the new wires. #4., Veículo disponível (Único dono) Não possuí sinistro Sem passagem por leilão Rec. ADMINISTRADORA PARCELAMOS = entrada+parcela DISPENSO..., The letters GLS appear on Hyundai cars, and they refer to the trim level of the specific car. Trim levels are packages that range from the basic factory model to the sport and limi..., The most common reasons a 2013 Hyundai Elantra has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. 0 % 34% of the time it's the, Indian Twitter users to trend #BoycottHyundai. Update: The South Korean government has reacted to the controversy saying it “regretted the offence caused to the people of India” ov..., Sometimes when I turn it on and drive it'll shake like it's about to stall on me. Even when I'm idle it'll start to shake. However, sometimes I can go an entire drive home without the engine light coming on and shaking. It's completely random. I looked up a lot online and they said the most common issue would be spark plugs so I changed those., My 2011 Elantra has a slightly rough idle at stop lights. It doesn't happen ever time, and some people probably wouldn't even notice it, but at every few/several stops it idles a bit rough. ... I've noticed an occasional shaking at idle too... more than I would expect from a small 4-banger. ... Hyundai cars from the Sonata to the Elantra and ..., Please help the girl. Here is the problem: The car runs PERFECTLY when driving, but it WON'T IDLE on its own. She has to keep her foot on gas all the time or it will die. Originally the problem started as a low and oscillating idle RPM. Then is went away for a few days, but later it got worse and now it won't idle at all., Vibrates excessively while idling. : r/Hyundai. 2015 Elantra. Vibrates excessively while idling. Simply put, the car vibrates when idling at a stop. It does not do it while driving. No lights on the dash and no other drivability issues. I would look at the engine when idling and it appears to vibrate normally. Even with my hand on it it shakes ok., Sometimes, idling problems that cause engine vibration may be as simple as adjusting the idle on a carburetor or cleaning components in the fuel intake system so that fuel passes through the engine more easily creating cleaner and more efficient combustion your 2010 Hyundai Elantra 's engine., Interestingly, I opened the hood of my '13 GT yesterday while it was in Park and running and noticed that the engine has an ongoing shake at idle (not severe) but that it is bolted to something on the left (facing car) which seems to act as a sort of shock absorber as the engine shake is barely if at all noticeable in the car., The idle on my sister's '02 seems to be kinda low... and it shakes some at idle. The tach sits just above the line below 1k... I assume that would be ~500rpm. Is the idle lower than normal, and if so... how would that be adjusted. quick recent history of the car: - replaced a stuck..., Your Elantra's engine needs air, fuel, and spark to achieve optimum ignition . When one or more of these variables is off, it can lead to a rough idling condition. Fuel - The ideal air-to-fuel ratio is 14.7 parts air to one part fuel. Air - The air entering your car's engine must be metered by the MAF or MAP sensor., Over the past few months my 2017 Elantra has started to stall occasionally while driving. It has 70k miles on it. The stalling has increased from around a few times a week to a few times a day.. It mostly stalls when I am decelerating at low speeds. Its stalled out a few times around 45 mph. It also takes longer to start that it used to., Sometimes, idling problems that cause engine vibration may be as simple as adjusting the idle on a carburetor or cleaning components in the fuel intake system so that fuel passes through the engine more easily creating cleaner and more efficient combustion your 2010 Hyundai Elantra 's engine., A severe case of engine misfire may cause vehicle shaking and trigger the check engine light. An engine misfire occurs when there’s incomplete or zero combustion in one of the cylinders. It’s never safe to drive when your car is shaking. Doing so can damage the catalytic converter and other costly parts. There’s an endless list of reasons ..., Its most likely you ISC. When the pedal is all the way up, the throttle plate is all the way closed, and the engine idles. The idle switch is triggered by a small lever connected to the plate inside the throttle body that regulates the amount of air entering the engine. When the idle switch is open, the throttle plate is at least partially open ...