P0392 mercedes code

P0392 mercedes code. Mar 21, 2018 · In this video we Diagnose and Fix a p0300 on a 2007 Mercedes Ml350 ! When the speed changes by 2% or more within a certain timeframe, the unit stores this code. has detected that one of the engine's cylinders is not firing properly. P0300 is usually due to misfire. Most of the common problems that result in a P0302 engine code are relatively simple to fix. Causes. Ignition system issues: Faulty spark plugs, ignition coils, or ignition wires. co 👈== How to Fix P0300 Code =====Engine Code P0300 Saving Repair Mar 26, 2009 · A P0302 code means that the the car's computer. pending dtc p0157 02 sensor low voltage bank 2 sensor 2. msifire caused by a global fuel device such as pump, flter, fuel rail, line etc etc usually causes an random misfire, not a misfire in one cylender. The Camshaft Position Sensor measures the exact rotational position of the camshaft. A few weeks ago I posted a video where I was chasing down random P0302 code cylinder 2 misfire. Nov 14, 2009 · Misfires, Rough Idle - Fault Codes: P0300, P0301, P0305. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. When this code appears, it indicates that the engine control module (ECM) has detected an inconsistency in the engine’s power output. If the problem persists, more tests need to be done to diagnose the problem, see "Possible Causes". Feb 28, 2022 · Greenboy223 Discussion starter. co. Once the root cause for the P0302 code is diagnosed, your mechanic may suggest one of the following replacements or repairs: Jan 21, 2023 · The P0306 code means that cylinder 6 is misfiring or is randomly misfiring. May 22, 2021 · Reinstalled and the CEL went out for a bit but it was still idling rough and soon enough I once again got the old "Misfiring of cylinder 2 : Worsening of exhaust emission values after engine start (P0302)" which later turned into the Cylinder 2 Misfire Damages. MAF- removed and cleaned with CRC Mass Air Flow Sensor cleaner. Get back on the road with our expert guidance! A P0304 code in a Mercedes Benz is an indicator that cylinder 4 has misfired. Jan 26, 2024 · The common reasons for the P0300 code on a Mercedes-Benz could include: 1. Correct spark plug torque is also critical. A misfire happens when fuel is not getting burned in a cylinder. The fuel pump and fuel pump sensor are two common issues. Something in your air injection system has failed. Jul 29, 2017 · Mon testeur (CREADER VI) m'indique les défauts suivants: P0300 cylindres multiples- ratées d'allumage aléatoire détectés. In most cases, a P0300 is accompanied by other trouble codes from P0301 to P0308. ”. ( This is my first post on a GL forum. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 6. Note: I had earlier Code P0304 only and replaced Coil for Cylinder 4 and it was gone but now i came back with P0304/P0302 together. For the EGR P0400 one of the possibilities is the fuel cap seal not properly sealing the fumes / air. For example, if the ECU had detected a misfire in the third cylinder, the code would be P0303. Description of the defect. Any queries, please do not hesitate to contact Email@mbsofsouthampton. In some cases, the catalytic converter has gone bad. It’s an engine misfire code that tells you exactly where the misfire is happening. I had similar situation but in my case one of the cats got clogged. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine Apr 13, 2024 · The P0302 diagnostic trouble code is an OBD-II code that signifies a misfire detected in cylinder 2 of an engine. Mar 24, 2022 · P0303 definition: Cylinder 3 misfire detected. If no leak is found, the next step is to replace the spark plugs. ECT = 176 deg F. Pax Side Driver Side. Checks to see if the P0302 trouble code comes back by test driving the car. You might have a bad sensor, but those rarely fail. Corrosion and damaged spark plugs need to be replaced. Worn or corroded spark plugs. uk or alternatively you can phone Colin or Dave on 02380 445820, out of hours numbers are 07787913313 or 07907631681. If you see the engine code P0302, that means that your car’s cylinder number 2 is experiencing a misfire. The GL450 just had a check engine light. Random Misfire. Failing #2 spark plug wire. 3 (C) 6 (F) 2 (B) 5 (E) 1 (A) 4 (D) Front of Vehicle. When this code appears, it signifies that the engine’s computer has detected a random misfire in one or multiple cylinders. Calc Load = 24. Mercedes Mechanic: Marty. Excessive rotor button wear. Jun 14, 2020 · The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. The light will remain on until it is deleted or until the problem is addressed. Jun 14, 2020 · The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. The plugs can fail due to a rich air-fuel mixture, a bad car P0302 code means “Cylinder 2 Misfire Detected”. I checked the codes and got P0422 (main catalyst efficency below threshold bank 1) and P0432 (main catalyst efficency below threshold bank 2) Does this mean I need to replace both Cats or is it a symptom Feb 10, 2022 · P0305 definition: Cylinder 5 misfire detected. :laugh. ︎ PRODUCTS MENTIONED IN THE VIDEO: Throttle plate cleaner: https://amzn. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. Usually, an. My apologies about referencing the SLK230. Check for loose connections between spark plugs, spark plug wires, the coil or individual coil packs, and the distributor (if equipped). I finally managed to fix it an The P0300 engine code indicates a misfiring cylinder problem in your vehicle. Most cars have between four and six cylinders, with each cylinder firing a spark plug continuously and smoothly. To put it simply, this code means that one of the cylinders in your vehicle misfired and that the misfire was detected and reported by your car’s computer. 2L Kompresser, has about 75k miles, while driving at 30-40 mph started to miss and buck. Oct 18, 2007 · if i remember correctly, this code means you need a new gas cap. Vacuum hose Engine misfire. Consult a reliable vehicle information source for the location of the number 2 cylinder for the vehicle in question. The freezeframe data was for code p0300 it reads as follows: Fuel Sys 1 = 0L. There are many factors that can trigger this trouble code, including problems with the ignition system and fuel delivery, vacuum leaks, and engine mechanical issues, among others. P0300 is vaguer than other misfire codes and doesn’t provide any insight on which one of the cylinders might have experienced the issue. When the PCM detects an irregular signal or no signal, it will set code P0392. Ensure there are not any loose connections, broken wires, or cracked/dirty sensors that may cause code P0300. If you get a P0300 code after changing your spark plugs, it means that the engine misfires in different cylinders, so the plugs are faulty or improperly installed. #1 · Feb 28, 2022. A misfire from two or more cylinders can be caused by many reasons, including bad spark plugs, timing issues, faulty ignition system, fuel pressure issues, faulty catalytic converter, and even Today I am sharing with you on how you can troubleshoot and fix a Misfire on your Mercedes - Some Check engine codes that apply are (P0300 P0301 P0302 P0303 Feb 25, 2024 · In the case of the P0302 fault code, the misfire refers to cylinder 2 specifically. I'm an SL guy). vacuum leak, injector fault, high or low fuel pressure. Possible causes. happens due to insufficient fuel burning in the cylinder, which is essential for a well-functioning engine. The issues are usually related to the ignition system, which is straightforward to diagnose. P0302 Code Explained: Diagnose & Fix Cylinder 2 Misfire |In this video, we break down the P0302 code, meaning "Cylinder 2 Misfire Detected. Misfires happen when an insufficient amount of fuel burns inside a cylinder. This misfire can be caused by various issues within the ignition system or fuel injectors. 3. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 1. Feb 20, 2016 · But Spark Plug Wire is connected to Cylinder 1 and 4 and 3 and 2 so if wire are bad, code should P0301/P0304 or P0302/P0303 together. Modern vehicles employ advanced engine management systems that monitor individual cylinder performance. P0300 code denotes “Random or Multiple Cylinder Misfire Detected. These may include rough idling, reduced power, hesitation during acceleration, increased fuel consumption, and potentially even engine damage if left unaddressed. This can happen for various reasons. Mar 26, 2024 · To diagnose the P0300 code, it typically requires 1. I have driven quite a bit. A code P0302 Mercedes 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. If the problem persist more tests needs to be done to diagnose problem, see “Possible Causes”. OBD Codes. * Burned exhaust valve. The dealership recommended a $5600 fix!! Apr 24, 2024 · Summary. Diagnosis: A misfire can be caused by anything from faulty spark plugs to low engine compression. 52890 posts · Joined 2007. This fault is often caused by low fuel or compression levels, engine camshaft or crankshaft problems, and spark plug malfunctions. This DTC P0302 code repairs begin with an hour of diagnosis time, costing around $75-$150. What is much more common, is oil in the engine wiring harness and engine control module. misifre in ONE specific cylender is usually caused by one of the following: wire, spark plug, compression rings, piston, coil (in Jan 8, 2023 · Now, misfires could happen in one, multiple, or perhaps every single cylinder inside your engine. Search for P0301 Mercedes-Benz Questions and Jan 24, 2022 · The P030X code (X having the value from 1 to whatever the number of cylinders in your engine) is much more specific than the P0300. A motorist is sure to have their fair share of car problems during their lifetime. Fuel Sys 2 = CL. How to stop random engine misfire code P0300 with check engine light on. The code is triggered once your ride’s PCM detects frequent misfires on cylinder 2. This is especially easy to locate if before changing the spark plugs your car didn't throw this code and everything worked normally without any misfires and other Q: How does the “Mercedes code P0300” impact the performance of a Mercedes-Benz? A: The “Mercedes code P0300” can have varying effects on the performance of a Mercedes-Benz. This provides a critical data signal used by the engine control module (PCM) to control the fuel injectors and ignition coils. The misfire was very sporadic. code P0391. Ok, I read about two hours of threads and seemed to come up with mixed recommendations as to what may cause this. The most likely cause of the misfire is a coil pack going south this can cause a P0300 code to be recorded. Misfire is defined as a lack of combustion in a cylinder due to the absence of a spark, incorrect fuel metering, low compression, or any other cause. So compression looks to be OK and within the +/-10%. The P0300 code is a common issue faced by Mercedes-Benz owners, causing frustration and uncertainty. Low compression on #2 cylinder. Jul 11, 2007 · eric242340. J'ai changé le capteur PMH, ce n'était pas ça ! Apr 5, 2024 · OBD-II P0302 stands for “Cylinder 2 Misfire Detected”. Issue Severity: SEVERE – Stop driving immediately. Discover effective solutions to tackle the P0300 Mercedes code issue. A P0302 code can be caused by a bad fuel injector or a malfunctioning injector circuit. The random misfire DTC indicates multiple cylinders are misfiring or the PCM cannot identify which cylinder is misfiring. 71%. For example, if you’re seeing a P0301 code, this means that a misfire is found in Cylinder #1. The clicking is normal if not all the time. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 4. Then I noticed that my air intake wasn't hooked up all the way there was a May 17, 2018 · WE HAVE NOW MOVED: 8 Hazel Road, Woolston, SO19 7GB. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. The code P0300 stands for random misfire. There is a secondary air injection pump relay (part # 170-545-03-05-05) that could be a culprit with these cars too. If the problem persists more tests need to be done to diagnose the problem, see 'Possible Causes'. The P0302 trouble code specifically indicates that there’s been a misfire detected in cylinder 2 of your engine. to/2WUOtclCombustion le P0302 can be caused by a variety of issues, including: Faulty ignition system components: Spark plugs, ignition coils, and spark plug wires can all contribute to misfires if they’re faulty or worn out. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes". . The dealership recommended a $5600 fix!! Jun 14, 2020 · To diagnose the P0302 Mercedes-Benz code, it typically requires 1. This happens when there is a deficient amount of fuel being burned within a cylinder. Possible causes are spark plugs (just replaced 6 months ago) ignition coils/coil pack. I was able to get the car idling decently and get the car home. Dec 21, 2010 · P0304. I didn't see this was for an AMG car. This engine code has been triggered due to your car’s powertrain control module (PCM) detecting multiple misfires in cylinder 2. While P0302 is a generic powertrain trouble code, the repair steps could var y according to your specific vehicle. Status Pending. Camshaft position sensor (CMP) Low fuel: less than 1/8 tank. The car was started up after sitting for about 30 minutes (car was still warm) and the engine began to misfire and vibrate causing a very rough idle and the engine to shut-off after about 5 seconds. 0 hour of labor. Having elimated the following: 1. Start by checking for intake leaks; intake gaskets are a common cause of multi-cylinder misfiring. What about the obd code? Apr 9, 2023 · Code P0302 Ford Description. For Mercedes owners, encountering a P0302 can mean decreased fuel efficiency, potential damage Jun 19, 2016 · It is the purge valve or MOT valve. co 👈==== How to Fix P0302 =====Engine Code P0302 Saving Repair Feb 9, 2010 · Wagon has 180K miles. Use of the correct spark plugs is critical on this engine. I was driving down the freeway when I got a CEL for a code p0302. =====Claim your FREE engine code eraser 👉 https://free. Damaged or worn-out spark plug wires and/or coils. In the ignition system, common culprits Aug 13, 2008 · If not, a look see would be in order. Mercedes-BenzP0302 Mercedes-Benz DTC P0302 Make: Mercedes-Benz Code: P0302 Definition: Misfiring of Cylinder 2 Description: Engine output is affected and the vehicle runs rough. #2 · May 27, 2017. Dec 4, 2021 · The GL450 just had a check engine light. It doesn’t mean that it’s failed, only that a misfire was detected. Possible causes of OBD code P0302 Mercedes. Sometimes flipping the rubber gasket over helps. Aug 18, 2019 · I am thinking of doing below but it seems lengthy process which I am trying to avoid if possible. Diagnostic code P0300 is a "catch-all" for engine cylinder misfires when the PCU either Nov 2, 2021 · forumsnow said: Yes, what you circled are 2 of the 4 camshaft HALL sensors. So far i got the OBD to reset everything except CAT and EVAP. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. 2. The P0302 Mercedes-Benz code means that the cylinder 2 is misfiring or is randomly misfiring. Search for P0304 Mercedes-Benz Questions and Aug 15, 2019 · I reset codes. Distributor caps and rotor buttons can be damaged or worn out but this does not apply to all vehicles. engine misfire. The camshaft position sensor appears to be a somewhat common issue. A code P0302 may mean that one or more of the following has happened: * Faulty spark plug or wire. P0303 cylindre 3 - ratées d'allumage détectés. Hutcho85. You also have 4 camshaft solenoids, which are larger and located on the cylinder head front covers. There are several possible causes of a misfire such as: Open or short in engine wire harness. Diagnostic trouble code (DTC) P0302 stands for “Cylinder 2 Misfire Detected. #2 · Jul 11, 2007 (Edited) geordie said: THE CEL on my wife's 2002 ML320 (76,000 miles) just came on. A worn or faulty engine spark plugs. * the engine may stumble / stumble, and/or hesitate. Symptoms may include: * the engine may be harder to start. It could be also due to bad spark plugs, coil or spark plug wires. Inspects spark plug cylinder 2 itself for excessive wear or damage. In this case it's cylinder #2. A P0302 specifically applies to the number 2 cylinder. Service, Repairs and remapping service. Faulty #2 spark plug. In your case, a mechanic will need to determine the cause of the activated code. * Faulty catalytic converter (s) * Running out of fuel. A specific code, like P0301, points out a misfire in a particular cylinder, in this case, cylinder 1. How to fix a random misfire in your car DIY with Scotty Kilmer. Inspects the spark plug wire for cylinder 2 for wiring that is worn out or damaged. * other symptoms may also be present. Jan 8, 2007 · P0300, P0304, P0305, P0306. Feb 20, 2024 · To understand the P0302 trouble code, you must first grasp the significance of cylinder 2 misfires. Check fuel pressure if any codes are present indicating low fuel pressure. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine Let’s go into more depth and learn exactly what does the code P0302 mean? The first thing to understand is that the code indicates that the number two cylinder is the one that is failing to fire specifically. With a P0302 code, this tells you that Cylinder #2 is misfiring. Fuel delivery issues: A clogged fuel injector or fuel filter can cause a lean or rich fuel mixture, leading to misfires. Cylinder 2 can have both a defective spark plug or lack of compression. The misfiring happens when insufficient fuel is burned or when the spark plug gets damaged. Firewall. Nov 30, 2023 · P0300 Code, Symptoms, Causes. Although these codes point out the Aug 3, 2021 · Double check the basics like ignition coil wires, vacuum hoses, etc. I have a 2005 Mercedes C230 kompressor. May 12, 2014 · O2 sensors will not throw a 0410 code. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the Engine Jun 14, 2020 · The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. Unless you have an OBD2 scanner that’s sophisticated enough to tell you what’s behind the cylinder 4 misfire When a P0300 trouble code is triggered, it indicates that misfiring occurs in random or multiple cylinders. P0301 Code. Yesterday while car was in park it threw codes P0300, P0302, P0301. An issue with computers such as the ECM. When the system detects combustion inconsistencies in cylinder 2, exceeding a predetermined threshold, it triggers the P0302 code. 463 posts · Joined 2009. Fuel system problems: Clogged fuel injectors, low fuel pressure, or a malfunctioning fuel pump. OBD code P0300 is a diagnostic trouble code that indicates random (or multiple) misfires in your Mercedes-Benz SL-Class's engine cylinders. Jun 26, 2023 · Compression Issues: For the ignition process to work correctly, the air-fuel mixture in the cylinders must be properly compressed before ignition. Bad gas. When a misfire occurs, engine speed will fluctuate. It is the PCM that controls and monitors the Jun 13, 2022 · The P0302 code means that cylinder 2 is misfiring or is randomly misfiring. A failed coil pack or worn spark plug can also trigger the code. Cylinder misfire on #4. All modern applications employ highly sophisticated circuits whose sole purpose is to detect misfires. nonda. Or, in Cylinder #6 if you’re seeing a P0306 code pop up and etcetera. Incorrectly timed ignition. In this case it's cylinder #3. It is common for most auto repair shops to charge between $75 and $150 per hour. When the air/fuel mixture in your cylinder (s) is not able to burn normally and the difference is severe enough, it may cause a misfiring cylinder problem in your vehicle Summary. The reason for a code P0302 being stored in your OBD II vehicle is that the powertrain control module (PCM) has detected an individual cylinder misfire. ⚠ Check if your Mercedes-Benz have Safety Recalls. . Sep 19, 2023 · The P0391 code can be caused by a faulty camshaft position sensor, wiring issues, a failed tone ring, a failed timing chain, or a faulty PCM. Sep 27, 2021 · =====Claim your FREE engine code eraser 👉 https://free. P0300. * Faulty coil (pack) * Faulty oxygen sensor (s) * Faulty fuel injector. Description Cylinder 3 Misfire Detected. Many things can cause misfires and a trouble code P0302. Low fuel pressure or failed fuel pump. If you get a P030­_ code with a number other May 23, 2021 · Basically, this code means that there has been a misfire in cylinder number 2. Misfiring engine. Dec 2, 2022 · December 2, 2022. Feb 10, 2022 · P0302 definition: Cylinder 2 misfire detected. The p0400 has not come back yet, however 2 new codes show up: stored code p0151 02 sensor low voltage bank 2 sensor 1. It's a generic trouble code, meaning that it applies to all relevant makes & models sold in the US. P0302 cylindre 2 - ratées d'allumage détectés. Jan 14, 2023 · Code P0300 is often related to bad spark plugs or spark plug wires but could be caused by a number of issues relating to ignition and the air-to-fuel ratio in the cylinders. Cracked or damaged distributor cap. Nov 1, 2023 · When the engine’s control system detects such misfires, especially if they happen randomly and in multiple cylinders, it may set codes like P0300 to indicate the issue. My spark plug are fairly new. In addition, it can damage your car’s catalytic converter in extreme conditions. The causes of DTC P0302. Dec 4, 2021 · My close friend has a 2013 GL450 with about 130K miles, original owner and always serviced at a local MB dealer. As I said, misfire codes can either be specific or random. Oxygen Sensors- replaced all 4. So I researched my code reader a little more, it is a Inova 3100 A, and checked the freezeframe data. Jan 11, 2024 · Definition: Cylinder 2 misfire detected. Rest assured that your newfound knowledge could Uses the OBD-II scanner to collect freeze frame data and trouble codes stored by the powertrain control module. 3 posts · Joined 2022. Engi Jul 17, 2021 · The code P030X (p0301-P0308) means that the cylinder number X misfires, or there is no combustion in that cylinder. Engine speed sensor malfunction (crankshaft/camshaft) Oct 19, 2016 · I found a youtube video showing how to replace and the person showed where each coil is located. co 👈=====This video shows you How to Fix Engin Apr 8, 2024 · The following are some of the most common causes of code P0302. Nov 8, 2022 · OBD II fault code P0300 is a generic code that is defined as “ Random/Multiple Cylinder Misfire Detected”, and is set when the PCM (Powertrain Control Module) detects either randomly misfiring cylinders, or misfires on multiple cylinders. List of elements that might trigger the appearance of this code. I checked my coils they seem fine so I changed my spark plugs which were long overdue. Symptoms. If there are issues with the compression process, which could be due to problems like a blown head gasket, damaged piston rings, or bent valves, it can cause the P0300 code. Mar 7, 2013 · Code P0303. Secondly, the engine cylinders are controlled by the powertrain control module, or PCM. Hi, my name is***** looks like you may be down to an ECU problem or an internal engine problem or a plugged catalytic converter or a fault with your new parts. Feb 15, 2024 · Decoding the P0302 Code: The P0302 code specifically indicates a misfire detected in cylinder 2. Code P0300 stands for “Random or Multiple Cylinder Misfire Detected. The spark plug fires a spark igniting There are many possible causes of a P0300 code. Inoperable #2 coil pack. "A P0303 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. Type PowerTrain. A misfire is generally caused by a mechanical engine failure, a fuel delivery problem, or a huge vacuum leak. Mar 26, 2024 · The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. May 27, 2017 · Georj. 2) Replaced Coil for Cylinder for above cylinder where code is still not fixed. However, the most likely cause is an ignition system defect. A check engine light conjures up images of costly repairs and car downtime for most drivers. The most common possible causes include: bad or damaged spark plugs, bad spark plug wires, damaged coil pack or ignition wires, and a dirty or damaged fuel Mar 31, 2013 · Causes. Start by checking for intake leaks, intake gaskets are a common cause of multi-cylinder misfiring. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes". 0:00 Descripción del código Dec 7, 2023 · How to Fix a P0302 Issue. Oct 22, 2020 · =====Claim your FREE engine code eraser 👉 https://free. " Learn what cause Oct 31, 2018 · Te suministramos todo lo que necesitas saber sobre el código DTC P0302 Descripción, causas, síntomas y posibles soluciones. Codes P0301-P0306 are often associated with code P0300 due to their implications. Air and vacuum leaks. ECU $7E8. I was driving behind some jerk and I needed to quickly get away from him. The factory service booklet for the 1997 E-420 actually does not specify a service interval for the O2 sensors, but 100K would seem prudent. 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. User Submitted Video. See my other post on catalytic converter replacement. A triggered P0391 code can result in symptoms like poor engine performance, a no-start condition, increased fuel consumption, stalling, and an illuminated check engine light. If no leaks are found the next step is to replace the spark plugs. You might as well clean the valve per attached DIY. P0300 means that two or more cylinders are misfiring. This is on my 1999 SLK 3. Jan 14, 2023 · ︎In this video, you will learn what causes the P0300 code. Sep 6, 2023 · September 06, 2023. Pulled off the expressway and filled up when the vehicle started to have problems. 1) Replace spark plug on Cylinder 1, 2, 3, and 6 and drive the car and see which one got fixed. Defective airflow, crankshaft, or throttle position sensor. Jan 17, 2008 · OBD-II code P0302 Cylinder 2 misfire detected. P0301 cylindre 1 - ratées d'allumage détectés. Join us as we explain the interconnected nature of these codes. Faulty, dirty, or clogged #2 fuel injector. Corroded or stripped wires, coils, or distributor cap. sy tr qg rk au kz op bv yk pe