P0300 honda

Although they both use an “H” as their company logo, Honda and Hyundai are different companies based out of different countries. Honda is based out of Japan, whereas Hyundai is bas...

P0300 is a generic OBDII code that can occur with the Honda Civic. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the ...Some common causes of code P0300 could include the following-. Unmetered air entering the engine. Defective sparkplugs or sparkplug leads. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors. Defective coil packs on applications where one coil feeds more than one sparkplug.When a P0300 trouble code is triggered, it indicates that misfiring occurs in random or multiple cylinders. This happens when there is a deficient amount of fuel being burned within a cylinder. Most cars have between four and six cylinders, with each cylinder firing a spark plug continuously and smoothly. The spark plug fires a spark igniting ...The Snake ransomware is believed to be the cause. Honda has confirmed a cyberattack that brought parts of its global operations to a standstill. The company said in a brief stateme...Random or Multiple Cylinder Misfire Detected. Code P0300 means that one or more engine cylinders are misfiring. An engine misfire occurs when the amount of fuel burning in the cylinder is insufficient. Proper fuel combustion is crucial for the optimal functioning of the engine—the energy released from the burning fuel is what powers up the ...The P0300 engine code indicates a misfiring cylinder problem in your vehicle. The misfiring happens when insufficient fuel is burned or when the spark plug gets damaged. In addition, it can damage your car’s catalytic converter in extreme conditions. P0300 code denotes “Random or Multiple Cylinder Misfire Detected.”.Remember, the way the ECM determines misfires is via the crankshaft sensor, sometimes it throws up a P1399 as it can not determine which cylinder is misfiring. The P1XXX codes are specific to the manufacturer, as the normal multiple misfire code is P0300. If cylinder 3 is very low that is your issue.

P0302 in the Honda Jazz is a common OBD II trouble code. It indicates that your car’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Jazz’s check engine light to come on, you shouldn’t drive your car at all. Repairing P0302 should be considered a ...Code P0302 is part of this series. Each code indicates a misfire on a particular cylinder between P0301 and P0312. When your car has a 12-cylinder engine, code P0301 indicates a misfire in cylinder 1 while code P0312 indicates a misfire in cylinder 12. In contrast to a cylinder misfire, code P0300 indicates a “random misfire.”.Jan 7, 2023 · The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. You will often find this code together with another code of the specific cylinder the misfire occurred on. If the last digit of the trouble code is not zero, e.g., if the generated code is P0302, the number 2 indicates that cylinder number 2 has a misfire. P0300 is a generic OBDII code that can occur with the Honda CR-V. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often …A P0300 diagnostic code on a Nissan Quest is caused by an engine misfire. This means that the on-board computer has detected that not all of the engine’s cylinders are firing prope...Our advice: P0300 (when misfiring occurs in random or multiple cylinders) is bad. A misfire is a very serious problem for an engine to have. If you see this fault code you should …

Honda TSB 19-033. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or … Tengo un honda civic SI 2012 , después de cierto tiempo, marca el check pero en forma intermitente y al pasarel scanner marca los códigos P0300, P0301, P0302, P0303, P0304, ya le cambie, bobinas, inyectores, alternador, computadora, crasfman, sensor de bateria, tiene 150 de compresión , revise bomba de gasolina, pero no mejora puede ayudarme ... 43 posts · Joined 2019. #1 · Aug 5, 2019. 2007 Pilot LX FWD, 203K miles. I have been receiving P0300 (generic misfire code) and P0301 - P0306 (misfire in cylinder 1 through cylinder 6) off and on for the last 35K miles. I've replaced the plugs with new ones from Bernardi Parts, so they're Honda spec plugs. I've been running good gas through ...Mar 26, 2024 · The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are a common cause of multi-cylinder misfiring. If no leaks are found the next step is to replace the spark plugs. If the problem persists more tests need to be done to diagnose the problem, see 'Possible Causes'. OBD II fault code P0300 is a generic code that is defined as, “P0300 –”Random /multiple cylinders – misfire detected”, and is set when the PCM (Powertrain Control Module) …Misfires in Cylinder 2/3. (P0302/P0300) I didn't do any compression test considering there was nothing that pointed to that being a problem. So, proceeding with troubleshooting I decided to change the spark plugs to HKS Super Heat from Evasive Motorsports. Two days later, I thought it was fixed everything was working fine.

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P0300 is a generic OBDII code that can occur with the Honda Fit. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring).A.Hmady said: Hi Honda community I have a Honda accord 3.5 v6 2008 with 80k miles. The symptoms. 1-a steady check engine which is P0300/P0304 sometimes and always P0305/P0306=misfire. 2-flashing engine check with rough engine , the flashing light does not come always but from time to time and It comes only after an engine start up and it goes ...Advertisement Honda Motor Co.'s reputation for superior engineering is well known throughout the world. Honda is a leader in the automotive, motorsport, power equipment and racing ...Misfires in Cylinder 2/3. (P0302/P0300) I didn't do any compression test considering there was nothing that pointed to that being a problem. So, proceeding with troubleshooting I decided to change the spark plugs to HKS Super Heat from Evasive Motorsports. Two days later, I thought it was fixed everything was working fine. Tengo un honda civic SI 2012 , después de cierto tiempo, marca el check pero en forma intermitente y al pasarel scanner marca los códigos P0300, P0301, P0302, P0303, P0304, ya le cambie, bobinas, inyectores, alternador, computadora, crasfman, sensor de bateria, tiene 150 de compresión , revise bomba de gasolina, pero no mejora puede ayudarme ... According to the specifications page on Honda, the Honda CRV has a towing capacity of 1500 pounds. For a fuel-efficient SUV, the towing capacity of the CRV is in range with its com...

19-025. Title: Product Update: 2017-18 CR-V: Software Update with A/C Control Unit Replacement, DTC P0300, P0301, P0302, P0303, P0304, or P0172. Date: 3/1/2019. Models: 2017-2018CR-V. Summary: Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire … Honda Odyssey 2006 Motor 3.5 v6 131000 kms. Bobina Sensores Válvula PCV Válvula EGR Código P0300. Hola buenas tengo una odyssey 2006 me vibra mucho el motor y la luz check se prendio se escanio me sale la falla p0300 falla en los 6 cilindros adicional bajo circuito eléctrico en el sensor 02 se limpio la valvula EGR, PCV, SE CAMBIO BOBINAS Y ... The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes".An engine misfire or incomplete combustion in one of the engine cylinders may cause the P0303 code, which belongs to a series of diagnostic trouble codes starting with P0300. In P0303, the number 3 indicates that cylinder 3 has misfired. Therefore, the third cylinder would be referred to as cylinder number 3.3. Random/Multiple Cylinder Misfire Detected - P0300 4. "B" Rocker Arm Actuator System Performance/Stuck Off Bank 1 - P2651 5. Camshaft Position Sensor "A" Circuit Intermittent Bank 1 or Single Sensor - P0344 Also, with normal acceleration, at times i still do feel the engine missing at around 2000 rpm. What I have done trying to fix the problemThe MIL comes on with DTC P0300 (random misfire detected), and/or P0301-P0306 (cylinder misfire detected), or P219A/B (air-fuel ratio variation of cylinder [bank 1, rear bank/bank 2, front bank]). POSSIBLE CAUSE Debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside the injector.If you’ve recently found yourself staring at your Honda’s radio, unable to unlock it because you don’t have the code, don’t worry – you’re not alone. Many Honda owners face this fr...The “C” in Honda’s “CRV” stands for “comfortable.” The complete phrase is “Comfortable Runabout Vehicle.” The original concept of the vehicle was to provide a model with “more acti...P0300 Random / Multiple Cylinder Misfire Detectedは読んで字のごとく複数のシリンダーでミスファイア（失火）が発生しているということです。. 特定のシリンダーの場合には別のエラーが出るため、不特定・多数のシリンダーで失火が発生しているという訳です ...28 Jul 2020 ... En esta parte al escanear el vehículo obtuve estos Códigos P0300 P0303 P0304 las cuales puede ser a causa de: *Ajuste de la válvula *Bujía ...

The Check Engine light comes on with P0300 random/mutiple cyl. misfire detected along with P0301, P0302, P0303, P0304, P0305, P0306 and the VTM-4 light comes on. The engine has a miss while idling and driving until the transmission goes into 2nd gear. After 2nd gear the miss goes away. I have changed out the spark plugs, and …

Compression Issues: For the ignition process to work correctly, the air-fuel mixture in the cylinders must be properly compressed before ignition. 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.Shop Hendrick Honda Woodbridge Online in for your new or used Honda car. We are a premier Honda dealer providing a comprehensive inventory, always at a great price. …Misfires in Cylinder 2/3. (P0302/P0300) I didn't do any compression test considering there was nothing that pointed to that being a problem. So, proceeding with troubleshooting I decided to change the spark plugs to HKS Super Heat from Evasive Motorsports. Two days later, I thought it was fixed everything was working fine.The most common reason for a P0300 diagnostic code is worn spark plugs. To avoid this problem, change the spark plugs regularly and use only high-quality components. Yes, a P0300 code can be ...Mar 26, 2024 · To diagnose the P0300 code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour. Treat P0303 with these codes like it has P0300. P0303 will often be accompanied by codes P0301, P0302, P0304, P0305, etc… These codes indicate a misfire in cylinders one, three, four, and five, respectively. Treat P0303 with these codes like it has P0300. Suspect an ignition-related cause or a vacuum leak.P0300 Sometimes PLEASE HELP. I have an 04 CRV with 220,000 miles and it misfires occasionally at idle. It gets worse after I drive it for 20 minutes or more and it is especially bad with the AC on while in drive. (Automatic) I have tried everything I can think of to diagnose it. I have done a compression test, the old starting fluid vacuum leak ...Codes P0301, P0302, P0300. 2001 CVT 120k miles. CEL and above codes. Car was running fine and suddenly had CEL, loss of power, and obvious misfire, running rough.Hook up a live data scanner and look for anomalies. Engine faltering under load could be an air/fuel mixture problem. It is due for a valve adjustment, misfiring issue or not. 2002 Odyssey EX Fern (Granite) Green. Honda hood protector, stainless steel flex brake lines, Honda block heater, AC condenser screen, Zymol wax.4 Mar 2021 ... Honda Civic Random or Multiple misfire fix, Clean EGR valve code P0300 code p2413 · Comments83.

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How to fix the P0300 code. If the cause of the P0300 code is determined to be worn spark plugs or a faulty ignition coil, these will need to be replaced. If the cause is a clogged fuel injector, it too will need to be replaced. However, if the cause is something else, such as a vacuum leak or an exhaust leak, these leaks will need to be located ...Engine misfire. How to fix a random misfire in your car DIY with Scotty Kilmer. How to stop random engine misfire code P0300 with check engine light on. Engi...9 Feb 2019 ... Misfires are back again and I have a solution! 96 Honda Prelude gets the full treatment with some new NGK spark plugs along with the ...An engine misfire or incomplete combustion in one of the engine cylinders may cause the P0303 code, which belongs to a series of diagnostic trouble codes starting with P0300. In P0303, the number 3 indicates that cylinder 3 has misfired. Therefore, the third cylinder would be referred to as cylinder number 3.The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes".El ECM (módulo de control del motor) detecta que uno de los cilindros está fallando, lo que activó el código de problema P0300. A veces, Check Engine Light puede parpadear para advertir al conductor que apague el motor. A medida que aumenta esta condición, el motor se sacudirá más, provocando una disminución significativa en su rendimiento.You can use a wirless bluetooh OBDII reader: https://amzn.to/2X6mJ0Uregular OBDII reader: https://amzn.to/3esVRzzJoin Honey: https://www.joinhoney.com/ref/b...The most common symptoms of a P0300 OBD-II code include: Check Engine Light illuminated or flashing (flashing indicates a more serious misfiring issue) Vehicle may take longer to start or not at all. Engine cuts out. The engine runs rough and is hesitant on accelerating. Idling speed may fluctuate or not at all.Sep 19, 2018 · P0300 is a generic OBDII code that can occur with the Honda Odyssey. This code indicates that your van’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the ... The Snake ransomware is believed to be the cause. Honda has confirmed a cyberattack that brought parts of its global operations to a standstill. The company said in a brief stateme... ….

The 300 just means the misfires are in more than one cylinder, and the 302 and 306 indicate misfires in numbers 2 and 6 cylinders. However, a misfire in one cylinder can affect other cylinders in the firing order so it may only be one of the two cylinders instead of both that are misfiring.This bulletin has been extensively revised. American Honda recommends that you thoroughly read it. SYMPTOM The MIL comes on with DTC P0300 (random misfire …February 1, 2023 by Jason. P0301 is a fairly common trouble code with the Honda Pilot. It’s an OBD2 code and indicates that your vehicle’s first cylinder is misfiring. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your Pilot. Fixing P0301 should be considered a high priority.I purchased a 2008 with 242k on the clock for my daughter's first ride. I knew it had some issues when I picked it up, but I have ironed out everything except for the P0300 random misfire for all cylinders. I am also getting P0301-P0306. I have replaced the PCV valve, plugs, and coil packs. I also removed the intake and cleaned the crud out ...Code P0300 stands for “Random or Multiple Cylinder Misfire Detected.” This diagnostic trouble code (DTC) indicates that your car’s computer has detected an engine misfire …P0300 Random / Multiple Cylinder Misfire Detectedは読んで字のごとく複数のシリンダーでミスファイア（失火）が発生しているということです。. 特定のシリンダーの場合には別のエラーが出るため、不特定・多数のシリンダーで失火が発生しているという訳です ...Sep 19, 2018 · P0300 is a generic OBDII code that can occur with the Honda Ridgeline. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). Treat P0304 with these codes like it has P0300. P0304 will often be accompanied by codes P0301, P0302, P0303, P0305, etc… These codes indicate a misfire in cylinders one, three, four, and five, respectively. Treat P0304 with these codes like it has P0300. Suspect an ignition-related cause or a vacuum leak.Você já se deparou com o código de falha P0300? Vem aprender com nossos consultores OB, Diogo e Laerte, se realmente é uma falha de ignição ou não!Para ficar... P0300 honda, Engine misfire. How to fix a random misfire in your car DIY with Scotty Kilmer. How to stop random engine misfire code P0300 with check engine light on. Engi..., P0300 is a generic OBDII code that can occur with the Honda S2000. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring)., P0302 in the Honda Jazz is a common OBD II trouble code. It indicates that your car’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Jazz’s check engine light to come on, you shouldn’t drive your car at all. Repairing P0302 should be considered a ..., 3. Random/Multiple Cylinder Misfire Detected - P0300 4. "B" Rocker Arm Actuator System Performance/Stuck Off Bank 1 - P2651 5. Camshaft Position Sensor "A" Circuit Intermittent Bank 1 or Single Sensor - P0344 Also, with normal acceleration, at times i still do feel the engine missing at around 2000 rpm. What I have done trying to fix the problem, =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈== How to Fix P0300 Code =====Engine Code P0300 Saving Repair ..., Aug 15, 2023 · 10 posts · Joined 2023. #1 · Aug 15, 2023 (Edited) 2005 EX 4WD 187,700 miles with check engine light and random misfire codes P0300, P0301-P0306. Rough idle regardless of engine temperature. Runs great when driving under any kind of load. Great, smooth acceleration with plenty of power. , 2004 Honda Civic EX 1.7 MTX 4 dr 170k miles. CEL came on about 2 months ago solid. I reset the codes, changed the plugs. The codes were p0300 p0301 p0302 p0303 p0304. The old plugs looked pretty clean no oil whatsoever, but gaps looked a bit big, so I got the expensive plugs. A few weeks ago the cel came on again, this time it …, P0301, P303, P0304, P0300, P1399 Misfire codes. Started up my car today after work, and the CEL came on. Had it read at AutoZone and they said these are the codes and that the valve lash needed adjusted (Codes in title). Thing is I just had the mechanic adjust the valve lash 9000 miles ago. So I doubt that is it., P0300 is a generic OBDII code that can occur with the Honda Element. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring)., Check engine light code P0304 indicates that cylinder number 4 is experiencing misfires. Find out how to fix it in this article!, C. catsmom Discussion starter. 1 post · Joined 2008. #1 · Jan 25, 2016. I have a 2004 Pilot that started throwing random misofire codes starting with P0301, P0304, P0300 and P1399. It was running fine at the time. We adjusted the vales and cleaned the egr, but the codes still kept activating. The car then starting running rough., 2011 Touring p0339 p0300 p0302 p0306 check vsa, check emission system CEL flashing ... by VerticalScope Inc. Content on odyclub.com is generated by its users. odyclub.com is not in any way affiliated with Honda Motor Company VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada, 20 Dec 2013 ... Occasionally missing can be caused by excessively loose valves. They will seal cold, but warm up to miss. Check/adjust valves to spec. Another ..., Aquí hay algunas causas que pueden desencadenar el código de problema P0300. velas dañadas. Bobina de encendido dañada. inyectores defectuosos. fuga de vacío. Mal funcionamiento del sensor de oxígeno. Válvula de admisión o escape quemada. Convertidor catalítico defectuoso. Un sensor de posición del acelerador defectuoso., El ECM (módulo de control del motor) detecta que uno de los cilindros está fallando, lo que activó el código de problema P0300. A veces, Check Engine Light puede parpadear para advertir al conductor que apague el motor. A medida que aumenta esta condición, el motor se sacudirá más, provocando una disminución significativa en su rendimiento., Discover the meaning of P0300 Honda, its symptoms, causes, and how to fix it. Learn about Honda misfire codes, specifically DTC P0300 Honda and P0300 Honda Accord. Essential reading for Honda owners seeking comprehensive, easy-to-understand …, My friends 2008 accord 2.4 had a p0339, p0300, p0302, p0303. I swapped plugs and coils from good cyls to bad cyls. Cleared codes and the p0300, p0302 & p0303 keep returning. I disconnected the battery same thing. I also had a catalyst effeciency code but I was thinking that since it's showing a misfire that could cause that code., The Snake ransomware is believed to be the cause. Honda has confirmed a cyberattack that brought parts of its global operations to a standstill. The company said in a brief stateme..., P0300 and Every Cylinder Misfire (05 V6 6MT) Hello, recently purchased a 2 door 05 Accord V6 6MT with 210k on it. Care came with 11 years of service records, so verified that timing belt and water pump were good, etc. Recently been having a check engine light come on, went and got it checked out and it showed p0300 twice and every …, You can use a wirless bluetooh OBDII reader: https://amzn.to/2X6mJ0Uregular OBDII reader: https://amzn.to/3esVRzzJoin Honey: https://www.joinhoney.com/ref/b..., The Honda service bulletin 19-038 for the 2016-2018 Honda Civic with a 1.5L engine describes a problem where codes P0300-P0304 or P0172 (fuel system too rich) or a whirling noise coming from the engine can be caused either by fouled spark plugs or by irregular wear of camshaft lobes., P0300 is a generic OBDII code that can occur with the Honda CR-Z. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire, the ..., P0300 Sometimes PLEASE HELP. I have an 04 CRV with 220,000 miles and it misfires occasionally at idle. It gets worse after I drive it for 20 minutes or more and it is especially bad with the AC on while in drive. (Automatic) I have tried everything I can think of to diagnose it. I have done a compression test, the old starting fluid vacuum leak ..., Treat P0303 with these codes like it has P0300. P0303 will often be accompanied by codes P0301, P0302, P0304, P0305, etc… These codes indicate a misfire in cylinders one, three, four, and five, respectively. Treat P0303 with these codes like it has P0300. Suspect an ignition-related cause or a vacuum leak., Hook up a live data scanner and look for anomalies. Engine faltering under load could be an air/fuel mixture problem. It is due for a valve adjustment, misfiring issue or not. 2002 Odyssey EX Fern (Granite) Green. Honda hood protector, stainless steel flex brake lines, Honda block heater, AC condenser screen, Zymol wax., Version 4. MIL Comes On with DTC P0300—P0306 or P219A/B. Supersedes 18-025, dated April 6, 2019. See REVISION SUMMARY. AFFECTED VEHICLES. NOTE. The vehicle must have at least 5,000 miles or more on the odometer. REVISION SUMMARY. This bulletin has been extensively revised. American Honda recommends that you thoroughly read it. SYMPTOM., Treat P0304 with these codes like it has P0300. P0304 will often be accompanied by codes P0301, P0302, P0303, P0305, etc… These codes indicate a misfire in cylinders one, three, four, and five, respectively. Treat P0304 with these codes like it has P0300. Suspect an ignition-related cause or a vacuum leak., Sep 19, 2018 · P0300 is a generic OBDII code that can occur with the Honda CR-V. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). , P0300 is a generic OBDII code that can occur with the Honda HR-V. This code indicates that your vehicle’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring)., Si tienes un auto Honda, es posible que alguna vez hayas visto el código P0300 en el tablero de instrumentos. Este código indica que hay un problema con el sistema de encendido del motor, que puede causar una pérdida de potencia, un aumento del consumo de combustible y una mayor emisión de gases contaminantes., Oct 21, 2023 · I purchased a 2008 with 242k on the clock for my daughter's first ride. I knew it had some issues when I picked it up, but I have ironed out everything except for the P0300 random misfire for all cylinders. I am also getting P0301-P0306. I have replaced the PCV valve, plugs, and coil packs. I also removed the intake and cleaned the crud out ... , You can use a wirless bluetooh OBDII reader: https://amzn.to/2X6mJ0Uregular OBDII reader: https://amzn.to/3esVRzzJoin Honey: https://www.joinhoney.com/ref/b... , P0300 is a generic OBDII code that can occur with the Honda Civic. This code indicates that your car’s engine is misfiring and can be a drivability threat. P0300 is often …