2017 hyundai elantra cylinder 2 misfire Swap Test. I am getting a cylinder 2 misfire code, and my car bogs down when i start it up in the morning or after sitting at work all day. plugs and coils and my light came back on and cylinder 4 is misfiring, and no matter what I do Jan 4, 2022 · If you can pull the coils and plugs yourself swap the plug first with a cylinder has no issues. I replaced them anyway. we changed the coils and plugs but it still show the same code. When a misfire occurs, engine speed will fluctuate. Spark plug loaded up with wet black oil soaked ash, and other 3 plugs wash ash chunked heavily, but dry. Great gas mileage. This happens an average of about once per day. Then pulled the spark plug from the cylinder and noticed fuel, so at least I know an injector isn't stuck shut or clogged. Limited I don’t have the vin number on hand. - P0328: Knock Sensor 1 Circuit High Input. P0301 is a cylinder-specific misfire code, meaning it’s only the first cylinder that has a misfire. In your case, a mechanic will need to determine the cause of the activated code. I had ALL my ignition coils and my spark plugs replaced and it seemed to be doing fine. "intermittent cylinder misfire" (2017 Hyundai Elantra SE 2. 8 L 4-cyl engine. Thanks for the information, I understand the issue you're facing with your 2017 Hyundai Elantra GLS, as the car is having cylinder 3 misfire, and you can not drive, this issue can be sorted using the following steps!Please start with changing the spark plug of the cylinder 3 as it may be making the issue, Jun 28, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have a 2017 Hyundai Elantra SE camshaft position sensor witch one is bank 1 and witch is bank 2 the tester is saying LeadTech88 Automotive Engineering and 15+ years of mechanic experience Nov 29, 2021 · My name is solomon and I recently purchased a 2012 Elantra with 135k miles on it. Dec 15, 2021 · I have been reading the forums here for a couple of days now looking for everyone who has gone through my issue, and many have. If you have P0300 and a cylinder-specific misfire, It depends on what is causing it. 4 GDI Oil Burning With A Misfire P0300,P0301,P0304. Jul 28, 2018 · This has Happened to my 2017 Hyundai Elantra SE twice, the first time it was cylinder 2 that had misfired, and the second time it was cylinder 3. Changed 3 of the plugs cause I really would rather NOT remove the fuel line to get to cylinder 4. Here’s a quick and easy test to determine what is causing your Elantra’s third cylinder to Nov 12, 2018 · P0301 Meaning: Cylinder 1- Misfire Detected Cylinder 1. Started car and checked for misfires and now found misfire to be present on cylinder 2 indicating fault with spark plug. First, change the coil with a different coil and see if the code follows the coil. Second, to get it to clear the codes (at least at first) is to disconnect the battery for 20 mins. Additionally, issues might arise if the engine computer fails to ground the coil pack or the fuel injector properly. be/hwaQtn1npfE 2017 Hyundai Elantra 2L non turbo. Possible causes of OBD code P0301 Hyundai A code P0301 Hyundai may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer Jun 28, 2020 · There is a factory service bulletin for the following Hyundai models: Hyundai Accent (MC) Hyundai 2003-2006 SULEV Elantra (XD) Hyundai 2004-2008 Tiburon 2. It also jumps a little when idling. If it does, replace coil again. I had a cylinder 1 misfire that got fixed under warranty with no problem. (Page 1 of 13) CarComplaints. A couple of months ago I took my vehicle to the dealership due to a rough idle and a cylinder misfire The 2018 Hyundai Elantra has 1 problems reported for misfiring cylinder. 0 missfire problem with these engines/NHTSA complaints check engine light it says misfire on cylinder one and something about the Hi guys! I own a 2017 hyundai elantra, bought in November 2020. Feb 9, 2023 · I am getting a P0303 misfire. If you have multiple codes with P0304, jump down a section. 2017 hyundai elantra gls. Both times, it was the coils. Engine now misfires every cold start, even on warm days Feb 7, 2022 · 2602 posts · Joined 2017 My 2016 sonata 2. I had all four spark plugs replaced at a whopping $450. It indicates that your vehicle’s second cylinder has a misfire. Then that will tell which cylinder has the misfire. One cylinder is misfiring - dealer giving quote of over $1000 First was a misfire in cylinder 2 and was covered under the 5 Oct 20, 2019 · Hi I have a 2017 Elantra SE. 0L 140k miles Symptoms: - Intermittent rough idle when hot, slight shutter, surges between 700-800rmp - Intermittent hesitation when accelerating, cylinder 2 misfire when hot and under load I thought it would be a simple google search but I can’t find a straight answer. Had 11 miles on it. Cylinder one is typically the closest to the front of the engine. Driving it didn't feel any different. com : Car complaints, car problems and defect information Looking for some help here. Code P0304 Hyundai Description. Does anyone know the correct engine cylinder order for the 2017 Hyundai Elantra 2. If it's bad enough to cause your Accent's check engine light to come on, you shouldn't drive your car at A blinking Check Engine Light indicates a more serious misfiring problem. Came in for a very intermittent misfire that's been there al Jul 28, 2018 · 2 weeks later p0301 cylinder 1 misfire as im driving on the highway Hyundai cars from the Sonata to the Elantra and even the new Kona! (2012-2017) Accent. I took it to my normal mechanic who diagnosed it as a misfire in coil 2, and suggested I take it to the dealership. Feb 20, 2023 · Car developed a misfire today in cylinder 2 while on my way home from work. I am working on a Hyundai Elantra that is getting a P0304 misfire on cylinder #4. Nov 14, 2018 · P0302 in the Hyundai Accent is a common OBD II trouble code. didnt have any missfires, but 3 and 4 had upwards of 50 stored in the ECU i usually dont notice it until I I had the EXACT same issue a few months ago on my 2017 Elantra. It might be something minor but I thought it was nothing and the engine blew and the car wasn't worth much. 0L - Pre-purchase Car Inspection - Lake Forest, California Manuel did an excellent job - he picked up some things on the pre-purchase inspection that saved me money later on. For example, on a Ford V8, the cylinders are numbered 1 to 4 on the passenger side bank and 5 to 8 on the driver side bank. When there’s a misfire, the engine isn’t running May 17, 2013 · Hi ! the code p0304 pop up last week, I have 50800 miles on my car, I unplug the spark plug and the ignition coil from the cylinder 4 and when i start the car I can there is a spark so the wire the spark plug and the ignition coil is good Nov 9, 2022 · Just curious how long I can drive my hyundai elantra 2017 with a misfire cylinder 2, even though I changed the spark Chris (aka-Moose) 24 years of experience diagnosing & repairing Cylinder number 2 refers not to the second cylinder in the firing order but the cylinder numbered “2” in the arrangement of cylinders on the engine. Intermittently, it starts to run rough and sluggish, as if one cylinder has stopped firing. Jul 1, 2021 · #cylindermisfire #checkenginelight #sparkplugswe changed the spark plugs and it fixed the issue. The regular 2011-2016 Elantra's 1. Swap the coil from the misfiring cylinder to any other cylinder. Sep 15, 2020 · In early July the car started triggering P0302 misfire errors randomly. It seems to stall intermittently. The majority of the time, a misfire is caused by a faulty spark plug or another problem with the spark system, but it may also be due to: A fuel delivery problem I took to Hyundai to check the problem. Jul 11, 2015 · 2017 Elantra - engine cylinder misfire. 6 turbo gdi engine) lately. It threw several Cylinder misfire codes. The fault codes were: PO301 (Cylinder 1 misfire) PO302 (Cylinder 2 misfire) PO304 (multiple cylinder misfires) I tried switching around the potentially misfiring spark plugs (cylinder 1 to cylinder 4) and same with the coils. I took it into Hyundai and they said it was the engine coils. back in June my Elantra started to misfire. 5 %âãÏÓ 674 0 obj > endobj 693 0 obj >/Filter/FlateDecode/ID[6373BB548DC2D14FBEE6E52EC0FC4F0D>]/Index[674 50]/Info 673 0 R/Length 101/Prev 625653/Root 675 Nov 17, 2024 · Common Causes of Misfires in a Hyundai Elantra. Good job with your car! Jan 22, 2020 · I have a 2017 Elantra Limited. Jan 7, 2003 · I drove home about 12 minutes shut off the car, restarted and the engine light was out and engine running normal again. This helps the car run smoothly. After that do a leak down test, check for compression in each cylinder. If it's bad enough to cause your Tucson's check engine light to come on, you shouldn't drive your vehicle at Jul 10, 2012 · 2021 Elantra Limited. I am wondering, if they do end up replacing it how much better will it be Oct 4, 2024 · Check if it’s a coil issue. On “V” configuration engines, it’ll usually be the first cylinder on the head closest to the front of the engine. In general, the cost of replacing spark plugs and ignition coils can range from $100 to $300, while addressing more complex issues such as fuel delivery or compression problems could increase the cost to $500 or more. Only codes are misfire codes P0300: Random Misfire P0302: Cyl 2 misfire P0304: Cyl 4 misfire Compression: Cyl 1: 180psi Cyl 2: 0psi Cyl 3: 180psi Cyl 4: 0psi Leak down: Cyl 1: 2-3% Cyl 2: 2-3% Cyl 3: 2-3% Cyl 4: 2-3% Oct 8, 2022 · See Part 1 for the live diagnosishttps://youtu. Compression test good (all 4, 150psi at TDC). Customer: Cylinder 2 misfire, I just need to know the cylinder order for a 2017 Hyundai Elantra Limited. . This means that the fuel-air mixture in this particular cylinder is not igniting properly, leading to a lack of power, rough idling, and potentially even engine damage if left unaddressed. Cylinder 1, 3 and 4 all tested at 160 psi. This can happen for various reasons. 6 l engine; Engine stalls when slowing down and coming to stops Jan 24, 2024 · I figure by now we (as a community) should have a good collective understanding of the 2. Feb 26, 2019 · 2017 elantra se 6spd manual Throwing a code for misfire in cylinder 2, replaced the spark plugs and coil pack, no fix. 0 and 2. Without really checking, I got four new plugs. Spark Plugs and Ignition System. Apr 24, 2010 · Ok I have a 06 hyundai sonata 3. The car has had this problem since it was What Does P0302 Code Mean? OBD-II Code P0302 is defined as a Misfire Detected in #2 Cylinder P0302 Symptoms Check Engine Light flashing Rough running, hesitation, and/or jerking when accelerating Cylinder 3 misfire. - P0303: Cylinder 3 - Misfire Detected. Here are some of the most common culprits: 1. This has happened now about 3 times over the last 10 days or so. Replaced the spark plugs, and it’s been 3 weeks since and nothing has happened. On a Chevy or Dodge V8, the cylinders are numbered 1-3-5-7 on the Aug 7, 2023 · Misfire remained on cylinder 2. See full list on 700r4transmissionhq. However, the same fault codes came up. 0L (JM) Hyundai Elantra (HD) Hyundai Elantra Touring (FD) Hyundai Genesis Coupe (BK) Hyundai Sonata (NF) Hyundai Santa Fe Hyundai Sonata (NF) Hyundai Santa Fe (CM Mar 3, 2023 · Digesting oil with a 0304 cyl 4 misfire detect with rough run,, youi already know what going on,, had one myself yesterday, but cylinder 2. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I drive a 2012 Hyundai Elantra. Cylinder 2 at 110 psi. - P0301: Cylinder 1 - Misfire Detected. Subreddit dedicated to the auto maker Hyundai. Your car has a 4 cylinder inline engine with cylinder one on the left side, cylinder 4 on the right. I wound up with the dreaded p0303, cylinder 3 misfire. Nov 9, 2022 · Typically, misfires can often be resolved by replacing the coil packs and/or spark plugs. I had it checked out by the guy who has worked on my car for years and is usually pretty on point because he actually worked at Hyundai in Korea. 2017 Hyundai Elantra P0203 cylinder 2 misfire question. 2017 Hyundai elantra p0302 code. Obviously this is a case by case issue, but here’s what I’ve learned this week while diagnosing a misfire on my 2017 Elantra Value Edition: Hyundai redesigned the coil packs for the 2. 4)had recalls. The spark plugs are responsible for igniting the air-fuel mixture in each cylinder. I am definitely glad I did the pre-purchase inspection. Nov 22, 2020 · Just curious how long I can drive my hyundai elantra 2017 with a misfire cylinder 2, even though I changed the spark plugs little while ago. If P0303 is the only code you get when you plug an OBD II scanner into your Elantra, this section should help you determine what is causing the code. Ron I have a 2017 Hyundai Elantra with a 2 Jul 31, 2006 · I have a 02 Elantra GLS Auto, with around 67000 miles on it. 0 L engine, more like a 1. I also changed the coil pack on cylinder 3. Little over 86000 miles it has on. 0 4 cylinder? Jan 22, 2020 · Today the 2. May 30, 2020 · Code P0302 Hyundai Description. Then clear the code and drive till you see the check engine light again. All looked fine except 1 which was covered in black carbon build-up. The car ran fine for 3 days and the check engine light turned back on and says it’s misfiring again. One for 1 and 3 and 1 for 2 and 4. If it doesn't, you could check to make sure the wiring for the coil is intact. %PDF-1. 8L has notable issues (piston slap, oil sludge problems, other failures) and had a Class Action Settlement. Misfire is usually caused from bad coil, spark plug, intake manifold leak, valve seat no sealing, leaking valve cover (o) rings on each spark plug hole. Jul 2, 2024 · The 2017 Hyundai Elantra uses a 1-3-4-2 sequence to fire up the engine. com Jan 10, 2021 · Two diagnostic things you can do. I'm at 67k miles currently and have been getting a persistent check engine light - the code reads misfire in cylinder 3 every time. My mechanic tried to pull the codes, says there are no codes stored. Jan 6, 2020 · 2012 Elantra Sedan with about 125,000 miles. 1 5 of Hyundai cars from the Sonata to the Elantra and even the new Kona! May 30, 2020 · Code P0301 Hyundai Description. If you still have a miss in cylinder 3, you need to check compression. Engine and Technical Discussion Misfires. 0l i believe this Jul 17, 2023 · 2017 Hyundai 2. 0, We have a similar issue, low compression in 3 and 4. Discussions about Hyundai Group corporate cousin Kia are also welcome, though they should really go in /r/Kia. Come share news and pictures and discuss everything related to Hyundai. 2017 Hyundai Elantra, 98,000 miles. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). Looked at manual, says replace spark plugs at 45k miles. This is a simple way to test the ignition coil. Ignoring it can lead to further engine problems. I have a 2017 Hyundai Elantra SE. Average failure mileage is 14,000 miles. We show you have to change the plugs and the coil. Then tried swapping the spark plugs, and it still persisted. Last year I took it for a drive to BC and the engine light came on on the Coquihalla hwy while I was driving 140(maybe a little more). 0 Having Misfire and Engine Light Stays On with Code # P0301Cylinder # 1 Misfire DetectedI will show you the simple Oct 8, 2022 · Part 2 covers overview and cautions about used ECMshttps://youtu. Sep 1, 2022 · Hi I'm looking for any sort of help or advice, I have a 2017 Santa Fe Sport 2. Misfires in a car engine can be caused by a failing spark, low compression, or fuel delivery problems. Swapped around ignition coils from cylinder 1 to cylinder 3 and spark plugs from cylinder 1 and cylinder 2. Mar 17, 2012 · 2002 Hyundai Elantra GT 2. Dec 10, 2020 · What does cylinder 3 Misfire mean? P0303 indicates that cylinder number 3 is experiencing misfires. Re tested with oil to be sure and only went up to 90psi. P0302 Hyundai Code - Cylinder 2 Misfire Detected Feb 14, 2010 · When my Sonata was misfiring a few years ago, none of the dealers could diagnose it and said all was fine -- it was only detected much later once the misfire got so bad the car started bucking down the highway (dead cylinder) and I had it towed in to the dealer and the codes were found. If you get a cylinder 2 misfire, P0302, you know you have a bad coil. Did the same with spark plugs [3 looked extra crispy] - Still 3 and 4 misfireGot a somewhat new fuel injector and installed that into cylinder 2, put 2 injector into spot 3 and swapped 1 and 4. May 10, 2022 · P0302 code means “Cylinder 2 Misfire Detected”. Jump to Latest 81 - 87 of 87 Posts. Make sure its fully plugged in, with the clip pressed in. Need help I had my spark plugs changed assuming that was the issue and it was time for a tune at 85k miles anyways. Jump to Latest (calculated) - Misfire Cylinder 2 Data Max: 65,535Count Min: 0Count Jan 7, 2023 · The P0302 code means that the engine control module has detected a misfire in cylinder #2 that needs your attention. Aug 19, 2024 · 2017 elantra limited 2. WHERE IS CYLINDER 1 2 3 4 ON HYUNDAI TUCSON, CYLINDER ORDERIf you have Hyundai Tucson and you want to know where cylinder 1, cylinder 2, cylinder 3, and cyli 2017 Hyundai Elantra cylinder #2 misfire I few days ago I replaced cylinder #2 ignition coil and the spark plug. Some websites say the order if you are standing in front of the car looking at the engine is 1,2,3,4 and others say it’s 4,3,2,1. Replace the - 2015-Present Hyundai Elantra Jan 30, 2021 · First thing swapped ignition coils around and problem stayed on cylinders 3 and 4. You'll likely be back,, replace the coils with the new style white dot (note bottom boot and added ear), and clean 5 ground points to proved clean electric to PCM to drive the coils. Check for rodent chewing on the wires. If P0304 is the only code you get when you plug an OBD II scanner into your Elantra, this section should help you determine what is causing the code. i'm sorry this happened to you and you were met with much 2017 Hyundai Elantra Se misfire Gfs car is having a cylinder 3 misfire. This pattern is vital for both spark plug placement and engine balance. - P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). But this was after it warmed up we re tested it. It’s been fine for 4-5 months but tonight the same thing happened again so I guess this is a common problem. If it's bad enough to cause your Veloster's check engine light to come on, you shouldn't drive your car at Oct 16, 2018 · Check engine light on with P0303. 1 & 2 misfire detected. Tried some intake valve cleaner for shits even though I kinda knew a dirty intake valve wouldn't have caused such a sudden hard Apr 15, 2021 · 2017 Elantra owner Back in December my car would shake at idle every once in a while, until one day the check engine light came on. The P0302 code is a diagnostic trouble code (DTC) that indicates a misfire has been detected in cylinder number 2 of the engine. P0303 Hyundai Code - Cylinder 3 Misfire Detected Swap ignition coils for cylinder 2 and 3, clear the codes. At almost the 2 year mark, I started having issues with it wanting to stall, lose power, etc. You can read my other post about this. The code has gone away and come back. I found your post while searching for answers about my own car. I replaced all the spark plugs but that hasn't worked. I took it to the shop and they said it was a cylinder 6 misfire and they fixed it. Dealership replaced the cylinder/spark plug assembly. 2020 Hyundai Sonata Limited 1. Jun 12, 2021 · 2017 and newer Hyundai Elantra 2. Feb 15, 2024 · The P0302 trouble code, signifying a misfire detected in cylinder 2, can send shivers down any car owner's spine. 6T; 2017 Quartz White / Gray, Sonata Limited, 2. Still under warranty but did not get a warm fuzzy about taking it in after talking to dealership in Stockton CA. 0L engine, there is a technical service bulletin (TSB) released by Hyundai for a misfire issue, #20-FL-001H, which includes the diagnostic trouble code (DTC) P0304. Since November of last year, my car is been having problems. Jun 14, 2020 · Code P0303 Hyundai Description. Home; Jun 10, 2021 · 2017 Hyunda Elantra Limited, Mineral Beige, purchased Sept, 2017. Cost to Fix P0302 Hyundai. 2017 Hyundai Elantra Rough Idle 2. The cost of repairing a cylinder 3 misfire in a Hyundai vehicle can vary depending on the specific cause of the issue and the necessary parts and labor involved. I have a 2001 Hyundai Elantra, its got 60,000 miles, and when accelerating from a dead stop, it sputters and hesitates to get past first gear. P0302 is a real drivability concern and should be dealt with right away. Several factors can contribute to a misfire in your Hyundai Elantra. I have a Hyundai Elantra that started struggling to upshift and seems severely underpowered. Feb 2, 2006 · I have driven it only as necessary since. retested after running and oil was burned out and was back to 65pst. Checked and it was misfire on cylinder 3. I have never been a fan of throwing parts at a problem, so I started the wonderful rabbit trail of diagnostics. A misfire occurs when the combustion process in the cylinder is incomplete or not occurring at all I had the same misfire code for cylinder 2 for 2 weeks and didn't think it was a big deal. I: Washed/Oiled K&N Air Filter Replaced Fuel Filter Replaced all 4 spark plugs Checked Compression (190-210psi all 4 cyls, within spec) Checked Impedance on #2 Fuel Injector (15 ohms, within spec) Checked for spark on #2 plug (ok) Oct 15, 2019 · I have a used 2017 Hyundai Elantra Last July my cylinders were misfiring. Coil pack for cylinder 2 and 4 bad, There are 2. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. What causes the P0302 code? Defective spark plug in cylinder 2; Lack of compression in cylinder 2; Damaged or worn out spark plug wires and/or coils Jul 19, 2021 · A few weeks ago, I posted here regarding a problem I have been having with my 2018 Elantra GT sport(1. 0. 17 elantra owner here- i had the same issue, what happened was once spark plugs go bad your cylinders will misfire. If 4 still has an issue swap the coils between 2 cylinders. I owed $2300 and had to sell the car with a blown motor for that amount. They have a Apr 11, 2023 · I'd also swap out the coil on #2 with another 1, and see if the problem follows. Jul 10, 2021 · I have a 2017 Hyundai Elantra SE and last week I was on the highway, going up a hill (long but not very steep), and the car started shuddering, and as I suspected, my OBD2 scanner showed cylinder 1 misfiring. 17 Elantra's have known coil issues, and if it was mine, I would just replace all 4. A misfire in cylinder 2 might seem minor at first, but it can escalate quickly. It has 200000kms. After a minute or so, the check engine light goes on for a short time, then goes off again. 0-L 4 Cyl) Engine Major Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt Feb 16, 2022 · 2017 HYUNDAI ELANTRA / SONATA KIA FORTE OPTIMA ENGINE MISFIRE ROUGH IDLE FIXED FAST & EASY! P0304Hey guys in this video we show you how we fixed our engine m Dec 16, 2024 · I figure by now we (as a community) should have a good collective understanding of the 2. Frequently Asked Questions About P0302 Code – Cylinder 2 Misfire How urgent is it to address a P0302 code? Addressing a P0302 code should be taken seriously. Both. 3rd cylinder misfire. Starting from the front of the engine block, cylinder one’s spark plug ignites first. Here’s a quick and easy test to determine what is causing your Elantra’s fourth cylinder Educational Video2017 Hyundai Elantra 2. Cheap coils or plugs can go quickly, the Elantras are really fussy on plugs NGK or Denso plugs work best by far for them. Apr 8, 2021 · I have a 2017 Elantra and it’s having a misfire in cylinder 1 and I changed the coil pack and now it’s running worse then before and it stalls sometimes when coming to a stop unless I keep my foot on the gas what else could be wrong ? Nov 14, 2018 · P0302 in the Hyundai Veloster is a common OBD II trouble code. I'm currently sitting at 39k miles on it and while I was driving into work this morning, at around 40-50mph my car started loosing power and slightly shaking a bit and then drove normally after a Mr talented Reid I am working on a 2017 Hyundai Elantra-SE that misfired! Tools you are going to need:A small flat point screwdriver 5/8 socket and ratchet h Is there an issue with 017 Elantra’s and Misfire? I recently got the vehicle from the dealer and had a check engine light for a cylinder 3 misfire about 2 weeks back. 4L AWD. Jun 14, 2015 · - P0300: Random/Multiple Cylinder Misfire Detected. 2017 Elantra - Cyl. 1 along with the cylinder order 2011 hyundai accent cylinder order the cyl1 injector to another cylinder to see if the misfire follows Jan 1, 2019 · 2001 Elantra Cylinder 4 misfire 7 Answers. cylinder 3 misfire. the solution for me was replacing ALL spark plugs and ALL coils. After running the codes it was determined that it was a P0304 Oct 4, 2024 · I had the same code for my 2017 Elantra. I drove it down and back from Charleston SC with NO problems and it has been driving fine. around 7:20 Jan 30, 2017 · Swapped cylinder 3 for cylinder 2 coil and got a cylinder 2 misfire code. I just only recently gotten this car back in November of last year with only 29k miles on it. 2017 Hyundai Sonata 2. I was told by the previous car owner that it was misfiring, and needed replacement spark plugs. It indicates that your car’s second cylinder has a misfire. once the first misfires then they will all misfire one after the other. Jul 2, 2024 · In understanding the firing order of the 2012 Hyundai Elantra, it’s important to note that it follows a 1-3-4-2 sequence, which dictates the ignition sequence of the spark plugs. Dealership charged me a diagnostics fee and swapped coil 2 and three and sent me on my way to the tune of a couple hundred bucks for diagnostics. If the problem moves with the plug or coil, you know they are the issue. After hitting 70k miles, cylinder 3 misfired and I had the coil replaced outside of warranty. But first, you will need to research online or find your car manual to determine which of the cylinders is the number two cylinder. The code you posted indicates a misfire on cylinder 2, which does make sense with the stalling . Added oil and compression went from 65psi to over 200. Since then it has never come off, The code is a misfire cylinder 3, I've changed all of Sep 26, 2022 · I took my daughter's 2017 Elantra (SE Value Limited) to a local shop over the issue she was having (it felt like a misfire, would happen once every few days, engine light would come on then go off) and they said the ignition coils needed to be replaced and they quoted me $1050 to do so. be/w-nRuFFRZRM 2017 Hyundai Elantra 2L non turbo. Jan 1, 2025 · Cylinder 2 Misfire Detected P0302-40 224 posts · Joined 2017 Hyundai cars from the Sonata to the Elantra and even the new Kona! Nov 11, 2018 · P0300 is a generic OBDII code that can occur with the Hyundai Elantra. 2017 Hyundai Elantra SE; cylinder 2 misfire. Oct 30, 2024 · This code indicates that the engine control module (ECM) has identified a misfire in cylinder 2. 4L. Currently at 121k miles. P0301 Hyundai Code - Cylinder 1 Misfire Detected Mar 10, 2018 · After search exhaustion, went ahead and took to repair shop. Hyundai Elantra L4-2. I pulled out the old plugs, and they were all iridium. Jan 30, 2021 · My misfire was due to the car needing a software update. This occurred with the appearance of Code P0420 (catalytic system below threshold) and codes P0300-P0304 (random misfire and cylinder 2-4 misfire detected). Other engines in the Sonata and Santa Fe (2. Jan 3, 2017 · This has Happened to my 2017 Hyundai Elantra SE twice, the first time it was cylinder 2 that had misfired, and the second time it was cylinder 3. A forum community dedicated to Hyundai Jul 1, 2019 · One poster indicated having a bad coil - which certainly can cause a misfire, your code indicates in cylinder 1 - although not always an exact indicator that the issue lies in that cylinder - but an easy way to determine if it's an ignition coil is to swap it with say cyl 3 coil - should you be be inclined to make that effort. 0L (GK) Hyundai Tucson 2. This technical guide dissects the P0302 code, exploring its causes, diagnosis, and potential solutions, empowering you to navigate this issue with confidence. Jan 26, 2017 · If it's bobbing pull the upper timing cover off. Changed coils (all) did not help. (I think P0302 is cylinder 2 misfire) Nov 14, 2018 · P0302 in the Hyundai Tucson is a common OBD II trouble code. I pulled out my Ancel code reader, hooked it up, and got a code "P0301 - Cylinder 1 misfire detected". Bad fuel injector but since still getting P0303, bad PVC and/or EGR, but Hyundai of this year do not have EGR vavles. Check belt, tension and timing marks. 4L SE also had a misfire in cylinder 3. After figuring that out, I had ALL the ignition coils and ALL the sparkplugs replaced. This is done with variable valve timing, if exhaust gas is left in when starting your engine, it won't start. This code indicates that your car's engine is misfiring and can be a drivability threat. The P0304 code for a Hyundai indicates that there is a misfire detected in cylinder 4 of the engine. 0L engine is doing this by closing the exhaust valves early, and yes the maximum amount of exhaust gas is still 30%, so we really don't have a 2. Mechanic's Assistant: How many miles are on the Hyundai? When did you last change the plugs? 86089 I believe and probably about 5 months ago. Feb 19, 2020 · You need a scan tool to pull the code when it happens. 0 engines after many people complained of misfires and failed coil packs. Customer. Had a certified mechanic look at it. 1. Any idea what this paste-like residue is around the cylinder 1 Dec 5, 2023 · Experiencing a vehicle misfire can be concerning for any driver, and when the problem is isolated to a specific cylinder, it can lead to more precise diagnostics. Hyundai dealers, corporate reps, etc, please message the mods about an official flair. until probably 2-3 weeks ago? The 2017 Hyundai Elantra has 245 NHTSA complaints for the engine at 21,223 miles average. If compression is good, you probably need an injector. gets oil changes every 4000 to 5000 miles. on every engine in every car the cylinders cascade backwards from 1-infinity from the front of the engine (side with the belt) to the rear (side that is bolted to the transmission). fixing cylinder one will not prevent numbers 2, 3, 4 from eventually misfiring. Grab a piece of paper. Nov 18, 2018 · P0304 Fix: Hyundai Elantra. #2. I just needed to replace the ignition coil for that cylinder, which was an easy fix and not too costly. Pull the code and see if the misfiring cylinder follows to the location you moved the suspect coil to. A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. The cost of repairing a cylinder 2 misfire in a Hyundai can vary depending on the specific cause of the issue. So I pulled off to the shoulder, waited a couple minutes and started the car again. Jul 26, 2017 · A few weeks ago my check engine light came on solid and noticed my car was idling rough and very sluggish from a dead stop up to 30mph. I bought one brand new coil and replaced it myself since its very easy, everything fine for a few weeks now the misfire, loss of power and shaking and check engine is back. It has a hard time accelerating, but after the inital 'bogginess' the car is fine and accelerates normally. However, they can also result from a faulty fuel injector or weak compression in that cylinder. Any idea what the issue may be?? MIL ON With Air-Fuel Ratio Imbalance and/or Cylinder Misfire DTCs Service Category Engine/Hybrid System Some 2015 – 2017 model year NX 200t, 2016 – 2017 model Apr 18, 2010 · I've been having the same issues, for years now it began at around 45k miles then i replaced the spark plugs soon after with NGK, worked for about another 40k so im at 90k miles and i checked with the scanner and saw my number 1 and 2 cyl. - P0304: Cylinder 4 - Misfire Detected. On average, the repair cost for addressing a misfire code like P0303 can range from $100 to $500, including parts and labor. One last thing I do want to mention is that if this vehicle has the 2. I bought a code reader and scanned the code P0302, misfire cyl. Then, I was at a McDonald’s parking space, and the car just started shaking all types of wrong. They said they heard a noise from the engine at idle. 0 turbo GDi - shut down / broke down at internate speed (72mph) with cruise set while driving on flat ground. The P0302 trouble code is an indication that cylinder 2 is misfiring and is not getting the necessary spark to its spark plug. 3 months after that, suddenly, the battery went out without warning. I have a misfire in cylinder 3 giving code P0303. - P0302: Cylinder 2 - Misfire Detected. Does yours need an engine re Nov 24, 2020 · 2013 Hyundai Elantra Limited, with 164k miles, 1. 0 liter 4 cyl P0301 CEL . At this current moment, I have 92XXX miles, and I still have a warranty until the 100k. Idles alright but as soon as put in 2017 Hyundai elantra se 2. Bought it brand new in August of 2016. Car is in for service - it started very rough and died on my wife as she was parking today. We had replaced spark plugs and the ignition coils last year with the same issue but it came up again recently. Aug 28, 2020 · 87 is the bottom of the barrel with E10 even worse if you get E8, 5, or 0 this drops your compressor ratio down to 7:1 and retards your spark for a much shorter combustion chamber, kind of like giving your Elantra junk food. I drove to and from Charleston SC no issues. Edit: To diagnose… I swapped the ignition coil from cylinder 2 with cylinder 3 and the code then showed cylinder 2 misfire. Nov 16, 2018 · P0303 Fix: Hyundai Elantra. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring. No issues since replacing the coil for cylinder 3. I brought it into the dealership and it coded a cylinder 4 misfire. Very Common Problems With Kia and Hyundai GDI Engines. He swapped 1 and 3 fuel injectors, then got P0303 and P0301. If you have multiple codes with P0303, jump down a section. Was going to take care of it, but soon after the CE light went away, my car stopped shaking, and everything went back to normal. Problem was solved. The code P0303 indicates the computer is detecting a misfire on the #3 cylinder and it's likely due to the code P0267 which indicates the #3 injector is failing as Jan 23, 2024 · Hey folks, 2017 Tucson, a couple weeks ago I had an engine light with rough idle. I have 44,500 miles. They said that they Scanned car for DTCs and found P0301 stored in ECM. Recently I realized my car shakes very hard with the check engine light on so I took it to the mechanic shop and they found this code(p0304) cylinder 4 misfiring . Took 5 minutes to fix. 10 miles later, the car is misfiring Sep 13, 2023 · Hello, fellow Hyundai owners, I'm the original owner of a 2017 Hyundai Elantra SE 2. In February of this year my car started shaking aggressively when idling and starting, followed by my engine light turning on. Alternator shows to have low amps during charging. 0L engine in the 2014-2017 Elantra GT. P0302 cylinder 2 misfire, p0304 By chatting and providing personal info 2017 Hyundai Elantra 1. The first cylinder, which starts the sequence, is found near the timing cover on the right side when you look at the engine from the front. 3 v6 I got it from an auction with 180000 miles it had a really bad oil leak witch was the filter not being tightly closed problem fixed I have codes in the car p0300 random/ multiple cylinder misfire, p0016 crankshaft position- camshaft position correlation bank 1 sensor a but I have replaced all 6 plugs and Causes. The engine lig May 17, 2021 · 2017+ Hyundai Elantra GT Turbo Tech. Checked the code and got a Cylinder 3 misfire.
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