2012 chevy sonic cylinder 4 misfire. Jul 21, 2022 · Cost to Fix P0302 Chevrolet.

The engine is the NA 1. Fixing Cylinder 4 Misfire Issues. If cylinder 4 misfires, replace the bad ignition coil and reassemble the spark plug assembly. Has a misfire on cylinder 4 and also smells rich. Here’s how to do it. If a noise is present, it will not be eliminated by cancelling fuel injectors and generally, the static compression and cylinder leakage Oct 14, 2013 · Description: Cylinder 3 Misfire Detected Probable Causes: Update control unit software - Check for the latest control unit update Powertrain or Engine Control Module faulty Fuel injector(s) faulty Ignition system - Ignition module, coil, spark plugs and wires Fuel system DTC Code: P0306 Description: Cylinder 6 Misfire Detected Probable Causes: Mar 15, 2019 · A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. Mar 6, 2021 · I took it to a mechanic that wasn't at a dealership since the dealerships kept screwing me over. These codes as a quick reference say about a cylinder 1 misfire, ignition coil A primary/secondary circuit, and ignition coil A primary control circuit high, respectively. Gobinator98 Each code between P0301 and P0312 indicates a misfire on a particular cylinder. Code P0300 is a bit different because it implies a “random misfire” rather than a misfire on a particular cylinder. Note: Glow plugs must be discarded whenever removed, and replaced with NEW. engine light flashing code p0303. I checked for spark and I have spark. Jan 7, 2023 · You will often find this code together with another code of the specific cylinder the misfire occurred on. Discover the common causes of the P0304 diagnostic trouble code and learn how to troubleshoot a misfire in cylinder 4 of your engine. 7:1 sweet spot, this can cause your Chevy Sonic to misfire. There was a code thrown - P0304, which is a Cylinder 4 misfire. Feb 19, 2024 · By thoroughly examining the ignition system and fuel injector, you can effectively identify the root cause of the cylinder 4 misfire. The cause of the misfires might be a coolant leak that allows coolant to enter the cylinder at the point where the liner meets the Oct 28, 2022 · On the 2012 Chevrolet Sonic with the L4-1. Discover the common causes of the P0304 diagnostic trouble code and learn how to troubleshoot a misfire in cylinder 4 of your engine. When P0304 occurs, it should be fixed Aug 9, 2022 · The P0304 code means that cylinder 4 is misfiring or is randomly misfiring. be/zIQqVID_a5I Nov 14, 2011 · Tahoe & Suburban DIY and Useful Threads - #4 Cylinder Misfire - I have a misfire on the #4 cylinder, I have changed the Spark Plugs, The Plug Wires, The Rotor & Distributor Cap. Complaint is a random misfire at idle, especially when cold. P0304 is a cylinder-specific misfire code, meaning only your Silverado’s fourth cylinder has a misfire. Check your coil, 4 injector connector, and remove the 4 plug. Mar 6, 2024 · The P0304 code specifically indicates the misfire is occurring on cylinder 4, as indicated by the last digit in the code; P0302 would refer to a misfire on cylinder 2, for instance. Misfires in a car engine can be caused by a failing spark, low compression, or fuel delivery problems. #2 cylinder is dead, 25 lbs compression. Aug 9, 2022 · The P0304 code means that cylinder 4 is misfiring or is randomly misfiring. We had this ordered and we picked up and replaced it Sunday. Sonic: P0204 Symptoms. 8L I’m Aug 9, 2022 · The P0304 code means that cylinder 4 is misfiring or is randomly misfiring. To diagnose the P0301 Chevrolet code, it typically requires 1. Also, a P0300 code might be present, or there may be misfire codes limited to one or two cylinders. Initial diagnosis may display any of these misfire and/or fuel trim related codes: • P0300-P0308 • P050D • P0171 • P0172 • P0174 • P0175 • P2099 • P219A • P219B Service Procedure If during repair an injector replacement is required, it will be necessary to refer to the parts catalog to ensure Aug 26, 2018 · P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder. 4 due to causing a misfire. Idle Issues – With the air/fuel mixture altered, the vehicle can idle erratically as the computer compensates to keep the engine running. Feb 10, 2015 · I started noticing the engine was idling rough and then got a P0304 check code (misfire, 4th cylinder). Did compression test on cyl 2 and 4. It is rare that there aren’t noticeable symptoms with P0204. If P0303 is the only code you get when you plug an OBD II scanner into your Sonic, this section should help you determine what is causing the code. 4L/1. Multiple misfires on your Chevy engine could be due to various issues. Table of contents. When P0304 occurs, it should be fixed Aug 7, 2022 · For example, current and previous codes will reveal the mechanical issues your car has suffered under previous owners. We had the code read again and it's still the same but this time "multiple misfires on cylinder 2" instead of "misfire on cylinder 2". Chinesium coils 2. Gap is verified to be within spec. I have a 5. 8L gas manual 6 speed transmission (United States). 3. If it's bad enough to cause your Sonic's check engine light to come on, you shouldn't drive your car at Dec 31, 2018 · More on this. Yesterday my engine started running rough, like a shutter really. The P0304 code will be seen in cars where the ECU has detected that cylinder 4 is not firing properly. I am having issues with a misfire on my 2014 Cruze LS 1. Mar 9, 2020 · The check engine light came on throwing code p0305 which is a misfire in cylinder 5. Mar 17, 2012 · Had to have my LTZ turbo 1. The check engine light was on and blinking. May 15, 2020 · I’m having issues with me 2012 Chevy Cruze. Modern vehicles employ advanced engine management systems that monitor individual cylinder performance. Dec 15, 2016 · Misfire. Could we have changed it wrong? Mar 26, 2024 · What is the Cost to Diagnose the Code? Labor: 1. . 8 L. Only replace the pistons and rings. 87 KOhm Aug 27, 2018 · Here’s a quick and easy test to determine what is causing your Sonic’s fourth cylinder to misfire. Jan 7, 2023 · The P0303 code means that the engine control module has detected a misfire in cylinder #3 that needs your attention. Dec 23, 2020 · Hey Guys, I need your help. Just had Jun 3, 2018 · Again #4 eliminating coil pack. 0. Plugs changed, coils and leads all ok. On “V” configuration engines, it’ll usually be the second Feb 6, 2009 · On a 15 minute test drive, I had over 1,000 misfires in Cylinder 4. This is what I have completed today. On “V” configuration engines, it’ll usually be the first cylinder on the head closest to the front of the engine. It typically only does it during a cold start. It has new plugs, new coil pack, new injector on cylinder 1, and it still misfires. I replaced the ones on my 1. Aug 29, 2014 · I did notice the engine began to idle rough on occasion when stopped at a light, but smoothed out when I accelerated. replaced all plugs, along with ignition coil cassette and the misfires are still occurring, only at idle. P0304 is a cylinder-specific misfire code, meaning only your Equinox’s fourth cylinder has a misfire. We have swapped coils to see if the misfire will follow the coil and it did not. Before you can even diagnose P0304 in your van, you need to find the fourth cylinder’s location. 4L Turbo Intake Manifold PCV Valve Fix Kits Overview These fix kits apply to the following vehicles with the GM 1. My mechanic friend has only seen it once before, years and years ago, but it was an Aug 30, 2018 · P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder. On “V” configuration engines, it’ll usually be the second cylinder on Sep 11, 2018 · While changing the oil in my 2015 Sonic I made a mess and spilled oil on the plastic engine cover. Start by checking the spark plug for any signs of wear or damage. On “V” configuration engines, it’ll usually be the second cylinder Aug 27, 2018 · The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. We installed the coil, and the car is good now with no misfire. Aug 31, 2021 · Hey I have a 2016 Chevy Cruze 1. I was told to replace the coil pak and the spark plug for cylinder number 3, which I did. but still rough. Just started last night, and it is fine at speeds over 10 mph, I cant get it in to the shop until Monday. Swap Test. A common intake runner makes me think it highly unlikely for Cyl#4 not to be getting air while the other Cyls are. Jul 17, 2023 · What is the Cost to Diagnose the Code? Labor: 1. On “V” configuration engines, it’ll usually be the second Customer: hello, I've got a 2012 chevy sonic misfiring on cylinders 2,3, and 4. Pulled plug from number 4 and it is soaked with gas telling me injector works. CHEVY CRUZE / SONIC ROUGH IDLE FIXED FAST & EASY 2011-2016 P0171 FUEL SYSTEM TRIM TOO LEAN FIXED! hey guys in this video we show you one of the most common p Aug 27, 2018 · P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder. You missed the boot and spring when you replaced a coil - or two. On average, you can expect to pay anywhere from $100 to $500 for parts and labor. Jump to Latest -- Copper 2012 Cruze 2LS, -- Silver 2013 Cruze 1LS. 0 hour of labor. He also checked the How to fix a Chevy/GMC P0301 engine code: Cylinder 1 Misfire DetectedA P0301 code is set when the computer (ECM/PCM) reads several misfires have occurred in Feb 13, 2019 · Here's some links to my GM 1. Jul 8, 2024 · For inline engines, cylinder #4 is typically the fourth cylinder from the front. ran codes myself. We also have replaced all 4 spark plugs and the injector to cylinder 4. To specifically target a cylinder 4 misfire, additional considerations are required: Faulty Coil Pack: A failed coil pack could be responsible for a cylinder-specific misfire. P0304 is a cylinder-specific misfire code, meaning only your Express’s fourth cylinder has a misfire. Inspect the ignition components thoroughly to address and resolve the cylinder 4 misfire issue effectively. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". P0302 is a cylinder-specific misfire code, meaning it’s only the second cylinder that has a misfire. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. But, where is the second cylinder? On “V” configuration engines, it’ll usually be the first cylinder on the head further back from the front of the engine. 8 Lt, bad coil pack in the fourth cylinder, causeing a rough idle. P0304 is a cylinder-specific misfire code, meaning only your Avalanche’s fourth cylinder has a misfire. When P0304 occurs, it should be fixed Jul 3, 2020 · 2013 Chevy Sonic LT Hatch only 99,000 miles Car died one day while driving. Apr 16, 2024 · Engine Compression Test: Perform a compression test to check for mechanical issues that could be causing the misfire. New Plugs,wires,coil,injector, MAF, cleaned fuel system. Mar 18, 2020 · If the misfire were in cylinder 4, you’d get P0203. replaced ignition coil and spark plugs. The following codes show up P0301, P0351, and P2301. Nov 2, 2019 · Hello everyone. Aug 27, 2018 · P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder. Attached is a picture of the plug I pulled out of cylinder one. Jan 7, 2023 · The P0302 code means that the engine control module has detected a misfire in cylinder #2 that needs your attention. Misfire on cylinder 2 Misfire on cylinder 2. Both. Usually goes away after about a minute and then runs like a top. 3 Tahoe with 225,000kms. Aug 31, 2012 · I have turned to this forum for ideas as I’m losing patience with my Tahoe. It has rough idle, the stabiltrack and traction side orders and misfire on cylinder 4. Make sure you change your 4th cyl plug after swapping the coil since it will be likely fouled out from always missing. He also checked the at camshaft speed and/or a misfire with a P0300-P0308 DTC. A call to Onstar verified the misfire, and suggested not driving the vehicle to prevent damage to the emission system. Aug 24, 2018 · P0303 Fix: Chevy Sonic. He mentioned that he heard GM had extended the warrenty on some of these engines, he is looking into that. Now it will run fibne for a few days then start to misfire again and the following service messages popped up: Stabilitrak off, traction control off, service stabilitrack, service traction control. In today's video, I am working on a 2015 Chevrolet Sonic LT. quoted and suggested oxygen sensor and t-stat. This code may be seen with other misfire codes and lean / rich codes. Today it is misfiring so badly the car is almost undriveable. #4 has 0 psi. 83 KOhm Coil 4: 2. Mileage may suffer as well when your Suburban has P0304 as well. If you have multiple codes with P0303, jump down a section. Took it to the shop and they can't find the problem. If it is the #4 injector, how do I replace it. Aug 12, 2019 · Since only Cyl#4 is exhibiting the symptom, I am thinking something more specific to Cyl#4. I read that 1, 4, 5, and 7 are DOD cylinders. M. Standing in front of the vehicle, the cylinder layout is: Passenger's side-to-driver's side: 1 - 2 - 3 - 4 In today's video, I am working on a 2015 Chevrolet Sonic LT. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 4. When the system detects combustion inconsistencies in cylinder 2, exceeding a predetermined threshold, it triggers the P0302 code. Two days ago I sprayed degreaser on the engine cover and scrubbed off the oil and then poured water over it to rinse it off. P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. Misfire on cylinder 4 changed plugs and coil pack still have misfire on cylinder 4. May 16, 2016 · I need some help trouble shooting my P0304 engine code cylinder # 4 misfire. Looking at the misfire counter on a scan tool, you will see a high rate on typically one cylinder. The misfire may or may not be felt and the misfire could occur at all RPM or just a specific RPM, such as idle only or only at high RPM. It depends on what is causing it. We duplicated it as an occasional ignition (type) miss, a big hit / stumble at idle from time to time. 4L Turbo LUJ/LUV/A14NET engine: 2011-2016 Limited 1. A friend mechanic has pulled the head to check the AFM lifters and cam - all seem fine. But I still seem to have the miss. It’s not one specific cylinder it’s every cylinder sometimes, other times it’s 1-2 of them. My mechanical prowess says you need the following for combustion: fuel, air, compression & spark. Answered by Pete in 7 mins 5 years ago Nov 1, 2019 · Here are the most common issues that cause your Sonic to jerk when accelerating: 1. If you were to move the boot to another cylinder I would bet the misfire would follow the boot. 72 KOhm Coil 3: 12. 4L T, I have an issue of a misfire in cylinder 2. Inspect the coil pack Aug 27, 2018 · Here’s a quick and easy test to determine what is causing your Sonic’s fourth cylinder to misfire. When P0304 occurs, it should be fixed Mar 13, 2024 · What are the symptoms indicating a cylinder 1 misfire? Symptoms of a cylinder 1 misfire include rough idling, reduced power, increased emissions, an illuminated Check Engine light, and in some cases, the noticeable shaking of the vehicle. Addressing Cylinder 4 Misfire. I recently noticed it did it the other day while I was parked and idling. 5 days ago · If the spark plugs appear to be fine or the problem persists, your ignition coils are the next most likely culprit. 154226. I have a 2012 5. Jul 17, 2023 · P0301 Chevrolet Code - Cylinder 1 Misfire Detected - Code Popularity: 103,908 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. He also checked the Aug 21, 2018 · P0302 in the Chevy Sonic is a common OBD II trouble code. idling at 600rpm. I went to start it up in the garage, and it wasn't running on all cylinders; the check engine light came on, then started flashing. 4L Cruze 2011-2018 Chevy Sonic/Aveo 2015+ Chevy Trax 2015+ Buick Encore 2011+ Opel/Vauxhall Corsa (Turbo only) 2009+ Oct 29, 2021 · The P0304 code stands for “Cylinder 4 Misfire Detected”, which means your vehicle’s cylinder 4 has misfired enough times for your powertrain control module (PCM) to notice. Aug 26, 2018 · P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder. Also noticed rocker rattle on left bank. It hasnt shown a check engine light yet. Yesterday I noticed the engine misfire a couple of times. How much can I expect to pay for Aug 16, 2018 · P0301 Meaning: Cylinder 1- Misfire Detected Cylinder 1. He couldn't find anything physically wrong with it. In 2 it was 85-90. Before you can even diagnose P0304 in your truck, you need to find the fourth cylinder’s location. Here’s a quick and easy test to determine what is causing your Sonic’s third cylinder to misfire. This is what I got: Coil 1: 12. Mileage may suffer as well when your Colorado has P0304 as well. got it running. 3 2008 GMC Sierra and it is misfiring on cylinder 4. For example, code P0301 indicates a misfire on cylinder one and code P0312 indicates a misfire on cylinder 12 (if your car has a 12-cylinder engine). Changed the plugs and wires, both didn't help. Same with ignition wite. 3. 1998 Chevy 1500 short bed 2012 Hyundai Sonata SE (Wife`s daily driver) Jul 13, 2018 · Misfire– If the air-fuel mixture has gotten too far from the 14. If the last digit of the trouble code is not zero, e. It also shifts hard into second. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). Here are the most likely ones: Misfire – If your Sonic’s fuel injector is not getting the right amount of fuel into cylinder three, it Aug 9, 2022 · The P0304 code means that cylinder 4 is misfiring or is randomly misfiring. They all came up with the same code - P0303 Cylinder number 3 misfire. Before you can even diagnose P0304 in your car, you need to find the fourth cylinder’s location. 8L Sonic Engine Discussion . It is crucial I heed these warning signs to prevent further complications. Jump to Latest In cylinder 1,3,4 the psi was 120. I would assume it is something with the spark. OK, that's today's lesson. Jul 7, 2014 · The coil pack was delivered from RA this morning - came out to C$139 for the part plus delivery plus federal sales tax of 5%. Locate the coils between the battery and the distributor or ECM. 8L library:https://youtu. On “V” configuration engines, it’ll usually be the second cylinder on Mar 6, 2021 · I took it to a mechanic that wasn't at a dealership since the dealerships kept screwing me over. Jul 14, 2018 · Coil can not be switched/ installed the other way. A misfire is the most common reason your Chevy Sonic jerks while accelerating. stabilitrak and traction control lights come on when its misfires too May 2, 2021 · I’m completely lost here, I’ve been having a misfire during a cold start for about 10 seconds. Feb 15, 2024 · The P0302 code specifically indicates a misfire detected in cylinder 2. Average repair cost is $500 at 58,500 miles. Replaced the cyl1/cyl4 coil and bingo! No more misfire. Genuine Feb 10, 2015 · I started noticing the engine was idling rough and then got a P0304 check code (misfire, 4th cylinder). I would get a new set of boots at the minimum. When P0304 occurs, it should be fixed. Before you can even diagnose P0304 in your vehicle, you need to find the fourth cylinder’s location. Mar 8, 2023 · When I plugged in the OBD2 sensor it read "Cylinder 4 Misfire", so I checked the usual suspects spark plugs, cables and coil pack (using an ohm meter). Jul 11, 2020 · 1st Generation Chevrolet Cruze. The misfire remained on cylinder 1. He also checked the May 14, 2021 · #1 cylinder is always toward the front of the engine, so on your 4-cylinder, you have correctly indicated that the second one from the passenger's side is the #2 cylinder. EST and your order ships same day. It indicates that your car’s second cylinder has a misfire. Idling. More often than not, it’s going to be the spark plugs or coil packs that are the culprit. I took it in to my local Chevrolet dealer it took 3 weeks and $3871. The CEL has only came on twice but I still feel the misfire every time I drive (at idle and under load). 8 liter motor. P0301 is a cylinder-specific misfire code, meaning it’s only the first cylinder that has a misfire. I swapped plug wires, & changed the Spark plug, what else The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. P0304 is a cylinder-specific misfire code, meaning only your Malibu’s fourth cylinder has a misfire. On “V” configuration engines, it’ll usually be the second Apr 15, 2022 · Replaced all 4 plugs, the coils. Common Causes of Chevy Engine Misfire. Check the ignition wire , and check inside 4 cylinder to see if any issues with piston , debris , anything. Bad-urinating injector 4. I would verify spark is present from cylinder 4 spot on the ignition coil. P0302 is a real drivability concern and should be dealt with right away. Chevy Suburban P0304 Definition. engine light blinking. A worn spark plug, a faulty fuel injector, and a leaking valve are some possible causes of the P0304 code. P0304 is a cylinder-specific misfire code, meaning only your Traverse’s fourth cylinder has a misfire. and valve cover. He feels a burnt valve, broken valve spring or something like that. said would need to investigate misfiring. You have to find the cause of p0304 . Cylinder one is typically the closest to the front of the engine. 1. Aug 21, 2018 · P0302 Meaning: Cylinder 2- Misfire Detected Cylinder 2. So we replaced plugs, wires and coils on all 8 Cyl. I swapped cylinder 1-2 plugs and the coils from 1 and 4. Checked the wiring and it seemed fine. P0304 is a cylinder-specific misfire code, meaning only your Spark’s fourth cylinder has a misfire. Jun 24, 2019 · 1. Can i drive short distances, like 8 miles to and from work until then? My car has 80000 miles. Scuffing is wide and has removed the crosshatch from the cylinder wall. Dec 1, 2021 · I was chasing a cylinder one misfire, replaced spark plugs coil pack and fuel injector but cylinder one is still misfiring. Mar 8, 2010 · My 4th cyl was cutting in and out for weeks and I just drove it untill 4 cyl was completely dead. takes a couple seconds to get going but once its going the misfire stops and engine light stops flashing. In V-formation engines (V6, V8, V10, and V12), the numbering usually alternates between banks, with odd numbers on one side and even numbers on the other. As it heats up outside for the day it has a real rough time at idle. Thursday night the issue got worst & the CEL began flashing while I was on the way to get food for my pregnant wife. 02 and four new pistons later my car runs better than before. 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 P0304 is a diagnostic trouble code (DTC) seen when a misfire is detected in cylinder 4. Chevy Colorado P0304 Definition. be/LbSfKEkm59whttps://youtu. Took to my mechanic friend. A few things can cause an engine to misfire. You did that by seeing that the front was on the right side of the car, but on the left when looking at it from in front of the car. The 2012 Chevrolet Sonic has 2 problems reported for engine misfires. , if the generated code is P0302, the number 2 indicates that cylinder number 2 has a misfire. On “V” configuration engines, it’ll usually be the second May 27, 2024 · 2007 Silverado 5. Order today by 4 P. Oct 2, 2017 · The misfire happens only on a cold start (though sometimes under high load high rpm situations) and typically sets off a flashing CEL and Service Stabilitrak warning. dealer replaced fuel pump. g. it continues to misfire on the 4th cylinder and idk what to do now! I’ve change the coil pack the spark plugs 2 times even the valve cover and all gaskets and still misfires on 4th cylinder even cleaned the engine and saw there no carbon build up what so ever but STILL misfires. Swap the cylinder 3 coil and cylinder 4 coil, and start the engine. I have already replaced all spark plugs, spark plug wires, and coil pack. Found them at Napa, not sure if any of the other chain stores have them as well. The car was shaking and not running well. Low compression in #4 cylinder 2013 Chevy Sonic 1. Mar 5, 2022 · Customer brought in a 2012 Sonic with the 1. He also checked the Feb 10, 2015 · I started noticing the engine was idling rough and then got a P0304 check code (misfire, 4th cylinder). The car was hesitating and jumping while in idle. Time to replace. If you have P0300 and a cylinder-specific misfire, Discover the common causes of the P0304 diagnostic trouble code and learn how to troubleshoot a misfire in cylinder 4 of your engine. If someone has a suggestion that I ask the dealership to check and it fixes the problem, I will mail you a check for $100. Jul 28, 2019 · They read the same P0302 code and "misfire on cylinder 2" but their database suggested a new fuel injector. Jan 20, 2020 · Buy Chevrolet Buick Turbocharger with Exhaust Manifold Dorman OE Solutions - AM-4248448138 now at AM-AutoParts! Always Free Shipping. Thread starter Gobinator98; Start date Jun 29, 2018; G. There was a general misfire (P0300) set, but the freeze frame shows it set at a higher rpm. I loaded up the order with oil filters for myself, and split the delivery charge with my friend. 4 towed to the dealer yesterday. When P0304 occurs, it should be fixed Aug 9, 2020 · GM 1. If an engine misfire with DTC P0300 is found and it can be isolated to a single cylinder, perform a compression test. For example, if the cylinder number 1 misfires in a 4-cylinder engine, it will run only on 3 cylinders and will have the code P0301, see the animation. He also checked the Mar 6, 2021 · I took it to a mechanic that wasn't at a dealership since the dealerships kept screwing me over. Mar 13, 2024 · 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. These codes may be related to or indirectly disclose the cause of your current engine misfire. But first, you will need to research online or find your car manual to determine which of the cylinders is the number two cylinder. We did the plugs, valve cover, and coil pack two or three years ago - the plugs were very badly oil-fouled due to a very brittle valve-cover gasket leaking oil into the spark plug wells, which had a lot of oil in them. P304 misfire on 4 P219A air fuel ratio Jul 17, 2021 · The code P030X (p0301-P0308) means that the cylinder number X misfires, or there is no combustion in that cylinder. P0301 Cylinder 1 misfire. Along with the misfire the Crankshaft position sensor needs to be relearned (getting done very soon). The P0302 code is a diagnostic trouble code (DTC) that indicates a misfire has been detected in cylinder number 2 of the engine. This code indicates that your car's engine is misfiring and can be a drivability threat. then added seafoam to tank to clean fuel system. Cylinder #4 would typically be the second cylinder on the even-numbered bank. I started with changing the spark plugs and that didn’t work. 8L engine, cylinder #4 is the cylinder closest to the driver's side. It's only cylinder 1. P0204 is usually caused by a bad fuel injector or wiring issue. So I bought a new Ignition coil pack and installed and it still didn’t fix it. Yesterday I drove it all day and it ran fine and a couple miles from my house after driving for over an hour on an open hwy it started shuttering. May 21, 2017 · No drivability problems besides the below 2k miss in 4-6th gear and at idle. What cause misfire on a 2015 chevy sonic. Jul 21, 2022 · Cost to Fix P0302 Chevrolet. The cost of repairing a cylinder 2 misfire on a Chevrolet can vary depending on the specific cause of the issue. Jan 7, 2023 · The P0304 code means that the engine control module has detected a misfire in cylinder #4 that needs your attention. 8L started having a rough idle. I pulled mine apart just now and it looks almost identical. the crankcase has been isolated, the pistons and cylinder walls must be inspected for compromise. I immediately pull over & had a friend come over with a scanner which we had a misfire on Feb 10, 2015 · I started noticing the engine was idling rough and then got a P0304 check code (misfire, 4th cylinder). Swap ignition parts to another cylinder. 2012 Chevy sonic 1. Upon checkin Oct 2, 2018 · An owner may complain of misfire or roughness during a cold start. Mar 15, 2019 · A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. Aug 20, 2011 · It's an LTZ with just under 5k miles, all stock. 2012 sonic 1. 8. #2 hit 110 psi running for a few seconds. Aug 26, 2018 · The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. I had the code checked at several auto parts stores. Oct 3, 2016 · Do not use seafoam you will only create more driveability issues. Do not replace the engine if marks have been found on the cylinder walls. To diagnose the P0300 Chevrolet code, it typically requires 1. I’m working on my mom’s 2012 Chevy Sonic 1. He did say that the spark plugs were completely gunked up with some mystery substance so he replaced those and tuned it up. I’ve replaced the plugs, swapped the coil packs around but the misfire still remains on cylinder #2. At the least, the head has to come off. Jul 21, 2022 · P0303 Chevrolet Code - Cylinder 3 Misfire Detected - Code Popularity: 90,449 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Aug 14, 2018 · P0300 is a generic OBDII code that can occur with the Chevy Sonic. In this video, Jul 7, 2014 · I went over this evening and read a P0301 (Cylinder #1 misfire). Not getting our hopes up Mar 16, 2023 · Lots o' things 1. Switch coils and see if the misfire jumps. Aug 27, 2018 · Here’s a quick and easy test to determine what is causing your Sonic’s fourth cylinder to misfire. 8 Lt and the sensor is saying it’s a random misfiring cylinder. 4 turbo cruze misfire Jump to Latest 7K views 6 replies 4 participants last post by Blasirl Jun 29, 2019 Mar 6, 2021 · I took it to a mechanic that wasn't at a dealership since the dealerships kept screwing me over. Feb 26, 2018 · So this past week I noticed my 2013 Chevy Sonic 1. If compression less than 350 psi is measured on a single cylinder, a cylinder leakage test should be performed on the cylinder exhibiting low compression. 72 KOhm Coil 2: 12. 4576914 Shown above is an example of a damaged cylinder wall. P0304 is a cylinder-specific misfire code, meaning only your Cruze’s fourth cylinder has a misfire. Misfiring Engine. Jun 29, 2018 · Chevy Sonic: Engine. qopkbx vmzlppp jnzceo umay pqlxrc vukam lkrnzp ivvis parh qfdwt