P0300 code honda accord

Hey everyone, I have a 2001 Honda Accord EX Coupe 2.3L with a misfire problem. I have scanned the car and came up with the codes P0303 (cylinder 3 mis) P0304 (cylinder 4 mis) and P0300 (random mis). Also, I’ve noticed that at low rpms it is really rough and a high rpms it smooths out.

P0300 code honda accord. 2006 Honda Accord Sedan EX-L 6-Speed. Save Share. ... Got the same issue here or so it seems on my '05 Accord V6. I got three codes P0301, P0300, P0305 which all seems to indicate misfires. Have not really looked into it too much yet but will update when I do. 2005 Accord EX V6.

vsa and codes p0300,p0305,p0306 and now p0304. Having problems with my 2009 ex-l odyssey. we bought it a year and a half ago and loved the van for all this time. about 3 months ago it started to flash the cel and the vsa would come on. running rough. codes p0300 and p0305,p0306. random misfire and cylinder 5 and 6.

Sep 21, 2018 · P0303 + Other Codes P0303 + P0300. The most likely reason your Accord will get P0300 and P0303 simultaneously is faulty spark plugs. P0300 in the Honda Accord indicates random multiple misfiring, which means that multiple cylinders are misfiring at the same time. My Accord has thrown specific and random mis-fire codes before, p0300 - p0306, but it has only happened due to the Heat Soak issue. ... Selene: 1999 Honda Accord LX Sedan 2.3 F23A4 202K Flamenco Black Pearl Atreyu: 1989 Honda Prelude Si Coupe 2.0 B20A5 4WS 112k Granada Black PearlDreaded P0300 code & P0420. Jump to Latest Follow ... Drive Accord Honda Forums. 2.1M posts 127K members Since 2003 Drive Accord forum, a community where Honda Accord owners can discuss reviews, service, parts, and share mods. Show Less . Full Forum Listing. Explore Our Forums ...Diagnostic trouble code(DTC) P1399 stands for “Random Cylinder Misfire Detected.”. There are generally two types of engine misfire一type A and type B. Most vehicles have a misfire monitor that the powertrain control module (PCM) uses to identify whether or not a cylinder is misfiring. A misfire type A can occur at 200 revolutions ...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...Dec 16, 2018 · January 30, 2023 by Jason. 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). Apr 26, 2021 · Code P0300 stands for “Random or Multiple Cylinder Misfire Detected.”. In most cases, a P0300 is accompanied by other trouble codes from P0301 to P0308. 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.

In this video, I'm solving the cylinder 2, 3 & random misfire issue on a 2008 Honda Accord with a crank position re-learn. I'll show you the exact procedure ...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...Nov 6, 2021 · a1smith. 525 posts · Joined 2020. #2 · Nov 6, 2021. P0302, P0303 are misfire in cylinders 2 and 3, respectively. The service manual for 08-10 Accords you can download from this site doesn't have C0700 listed. I searched C0700 on this website and your post is the only one that lists it. So, a dead end on that DTC. P1399 is a Honda specific diagnostic trouble code. It means that more than one of your Accord's cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out.Diagnostic trouble code(DTC) P1399 stands for “Random Cylinder Misfire Detected.”. There are generally two types of engine misfire一type A and type B. Most vehicles have a misfire monitor that the powertrain control module (PCM) uses to identify whether or not a cylinder is misfiring. A misfire type A can occur at 200 revolutions ...To diagnose a P0301 code in a Honda Accord, you can follow these steps: 1. Begin by checking the spark plugs and their wires. Look for signs of damage, wear, or carbon buildup. 2. Inspect the ignition coil for any cracks or other visible issues. 3. Test the fuel injector for proper operation.

The piston rings. Communication Number: A12-087, Date: 2018-12-19. Category: 060000 ENGINE (PWS) Summary: "Service bulletin - American Honda is extending the warranty coverage on the Piston Rings and Pistons for 2008-11 Accord L4 to 8 years from the original date of purchase or 125,000 miles, whichever comes first. Replaced the throttle body assembly as per diagnostics, but the same codes returned. Noticed TPS voltage drop issues and replaced PCM, which led to new codes P060A, P2104, P0600, P2105, P2107, P2112. Observed misfire at idle, particularly in cylinders #4 and #3. Computer Codes & Descriptions: P2107: TAC Module Processor; P2110: TAC Forced LimitThe P0300 code is telling us that there are misfires on several cylinders, which is much more often caused by an incorrect air-fuel mixture. If you find the P0300 code and another P030X code, it is more likely to be an ignition issue on that specific cylinder.Diagnosing The P0305 Honda Code. When an engine misfires, it’s important to get the fault diagnosed to determine what’s causing it. It can be challenging to diagnose code P0305 because so many potential causes exist. Any number of factors could be behind the problem, from worn spark plugs to costly problems in the engine.

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In this video, I'm solving the cylinder 2, 3 & random misfire issue on a 2008 Honda Accord with a crank position re-learn. I'll show you the exact procedure ...Bernie visits a local shop to help diagnose and fine the cuase of an engine misfire on a 2018 Honda Accord with a Turbocharged 1.5 liter engine. The fault co...The crankshaft generates torque by delivering rotational force to the transmission or transaxle, then transmitted to the drive wheels. A misfire DTC ranges from P0300 to P0312. 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, …P0108 is a generic OBD-II trouble code. It indicates your Honda Accord's MAP (manifold absolute pressure) sensor's voltage reading is outside of the normal operating range. The voltage is too high. It's most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. The MAP sensor measures the air pressure coming into.

1751 Heritage Center Dr, Wake Forest, NC ( 47.58 mi) (984) 203-7709. Soonest availability ·. P0300 p0301 p0302 p0303 p0304 p0306. 1 person has answered this. Misfire Codes. 1 person has answered this. I have codes P0300, P0301 and P0305.The piston rings. Communication Number: A12-087, Date: 2018-12-19. Category: 060000 ENGINE (PWS) Summary: "Service bulletin - American Honda is extending the warranty coverage on the Piston Rings and Pistons for 2008-11 Accord L4 to 8 years from the original date of purchase or 125,000 miles, whichever comes first.P0300 in the Honda Accord indicates random multiple misfiring, which means that multiple cylinders are misfiring at the same time. If your Honda Accord has …P0108 is a generic OBD-II trouble code. It indicates your Honda Accord's MAP (manifold absolute pressure) sensor's voltage reading is outside of the normal operating range. The voltage is too high. It's most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. The MAP sensor measures the air pressure coming into.HONDA ACCORD—P1399, P0301, P301 MISFIRE CODES - QUICK FIX How to see if you have a bad ignition coil causing misfires.Click here to order a new set of 6 i...The crankshaft generates torque by delivering rotational force to the transmission or transaxle, then transmitted to the drive wheels. A misfire DTC ranges from P0300 to P0312. 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 ...Thanks to virtual reality, Honda is relying less on a car design practice that’s (literally) shaped auto making since the '30s. Honda is pulling away from a design practice that’s ...Mar 20, 2015 · The Car Doctor. 161K subscribers. Subscribed. 1.8K. 286K views 9 years ago. How to diagnose and repair Honda COP ignition system misfires. P0300, P0301, P0302, Etc. Misfire codes may be... Here we go again...P0305: Cylinder 5 Misfire Detected. 2011 Odyssey. March 2017: 72,075 miles. Check engine light for P0303 code. Before I knew about OdyClub, replaced all spark plugs and all coil packs. Coil Packs were replaced with non-OEM. June 2018: On a 1,000 mile road trip with the family. Check engine light comes on. Engine vibration ...The Honda Accord tops the list of most popular cars year after year. It’s not a luxury or sports car, so it might come as a surprise that the Honda Accord is also the most stolen c...The Honda Accord EXL V6 is a popular choice among car enthusiasts who crave power, performance, and style. If you’re in the market for a sleek and reliable vehicle, then look no fu...The miles per gallon estimates for the Honda Accord vary depending upon the model. The EPA rating for a four-cylinder 2014 Accord is 26 mpg in the city and 34 mpg on the highway. F...

15 May 2017 ... 2006 Honda Odyssey 3.5 Random Misfire Case Study Part 1 : Diagnosing the P0300, P0301, P0302, Etc. GoTech · 254K views ; How To Fix A Misfire Code ...

Causes, common problems, diagnostic. Updated: July 17, 2021. The code P030X (p0301-P0308) means that the cylinder number X misfires, or there is no combustion in that cylinder. For example, if the …P0300 in the Honda Accord indicates random multiple misfiring, which means that multiple cylinders are misfiring at the same time. If your Honda Accord has …2006 Honda Accord Sedan EX-L 6-Speed. Save Share. ... Got the same issue here or so it seems on my '05 Accord V6. I got three codes P0301, P0300, P0305 which all seems to indicate misfires. Have not really looked into it too much yet but will update when I do. 2005 Accord EX V6.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 that’s random and/or appearing on multiple cylinders.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 information.Causes, common problems, diagnostic. Updated: July 17, 2021. The code P030X (p0301-P0308) means that the cylinder number X misfires, or there is no combustion in that cylinder. For example, if the …A "P0300" code indicates a random or multiple cylinder misfire detected by the OBD-II system. When the engine control module (ECM) detects misfires, it assigns a specific code to each affected cylinder (e.g., P0301 for cylinder 1, …2008 Honda Accord LX coupe tldr; misfires after changing plugs 2 coil packs, crankshaft positioning sensor and adding oil. So I’ve been trying to figure out a misfire my daily has been giving me. The codes are P0300 P0302. It has a …Dec 14, 2020 · Bernie visits a local shop to help diagnose and fine the cuase of an engine misfire on a 2018 Honda Accord with a Turbocharged 1.5 liter engine. The fault co... Having issues with a 2011 accord 3.5 cold misfire on bank # 2 (cyl. 4 5 & 6) Does anyone know why my Long Term Fuel Trim on bank # 2 is -13.8 and bank # 1 is 0.0 The car is at operating temp and at idle. Checked plugs, vacuum leaks , valve adjustment, compression test.leak down test, checked timing swapped coils and all was good.

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Oct 14, 2018 · Honda Accord P0305 Definition. P0305 is a cylinder specific misfire code, which means that Cylinder 5 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 5 is that it’s going to be the fifth cylinder in the firing order. It won’t be the fifth cylinder that you might see when looking at the engine. QUICK AND EASY APPLIANCE DIY REPAIR VIDEOS – SAVE BIG $$$ BY FIXING IT YOURSELF If the video was helpful, remember to give it a Thumbs Up 👍 and consider S... Sep 21, 2018 · 4’th Cylinder. P0304 is a cylinder-specific misfire code, meaning only your Accord’s fourth cylinder has a misfire. Before you can even diagnose P0304 in your car, you need to find the fourth cylinder’s location. On “V” configuration engines, it’ll usually be the second cylinder on the head further away from the front of the engine. 2010 honda crv p0300,p0302,p0303 codes after having replaced crank position sensor for p0339. Replaced spark plugs and I swapped cylinder 2 and 3 coils with cylinder 1 and 4 coils still same codes. ... I have a 2009 Honda Accord that goes into limp mode and will not accelerate over 20 mph. I had crank shaft sensor replaced and then …Dec 14, 2020 · Bernie visits a local shop to help diagnose and fine the cuase of an engine misfire on a 2018 Honda Accord with a Turbocharged 1.5 liter engine. The fault co... 1999 honda accord ex 3.0l v6 j30a1 P0300 and P0301-P0306 P1399 ... i have reset and triggered the codes multiple times. done the idle learning procedure. throttle cables look fine but havent checked if slack is in spec. idle adjustment screw has white gasket shit on it and dont know if previous owner fucked with it. i cant remember what tps ...Code P1381 is a rather serious problem, as it affects different key parts of your powertrain. The code, may for instance, be triggered by circuit issues, low engine oil level or issues with the ...What is the Cost to Diagnose the Code? Labor: 1.0. The cost to diagnose the P0302 Honda code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.To diagnose a P0301 code in a Honda Accord, you can follow these steps: 1. Begin by checking the spark plugs and their wires. Look for signs of damage, wear, or carbon buildup. 2. Inspect the ignition coil for any cracks or other visible issues. 3. Test the fuel injector for proper operation.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... ….

Find out what causes the P0300 Honda code, which indicates a random or multiple cylinder misfire, and how to diagnose and repair it with AutoCodes. January 30, 2023 by Jason. 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).2004 honda accord 3.0 v6 rough running. code test P0301 - P0306. all cylinders misfire. P02240 oxy sensor P0300 random misfire. Plugs are new, coils have been tested. ... 2006 Honda Pilot - check engine light on and off for 8 months - code P0300 to P0306 cylinder misfire; occasional rough running when cold; ...Misfires Codes p0300 p0302 p0304 p0305. Jump to Latest Follow ... 2006 with only 168,000 Recently got a random misfire code plus 2,4,5 cylinders misfiring. I switched coil packs around as well as plugs and no change. ... Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 37k miles - Bought used in July 2022 with 23k milesSep 21, 2018 · 4’th Cylinder. P0304 is a cylinder-specific misfire code, meaning only your Accord’s fourth cylinder has a misfire. Before you can even diagnose P0304 in your car, you need to find the fourth cylinder’s location. On “V” configuration engines, it’ll usually be the second cylinder on the head further away from the front of the engine. The P0300 code is a generic code, which means it applies to all vehicles, not just the 2002 Honda Accord LX. However, the solutions discussed in this article are specifically tailored for your Accord model. It’s crucial to address the P0300 code promptly to prevent further complications and restore your vehicle’s performance. Causes of ...5 days ago · 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 information. Engine misfiring/multiple misfire codes. Hope someone can help me pinpoint the problem here so I dont spend a bunch of extra money on parts I dont need. Car started misfiring & has very poor acceleration now. Its coming up with code p302, p303, p300 & i think something about a crankshaft sensor. I replaced the spark plugs, that didnt fix it.Misfires Codes p0300 p0302 p0304 p0305. Jump to Latest Follow ... 2006 with only 168,000 Recently got a random misfire code plus 2,4,5 cylinders misfiring. I switched coil packs around as well as plugs and no change. ... Victus - 2012 Honda Accord - EX-L V6 - Crystal Black Pearl - 37k miles - Bought used in July 2022 with 23k milesNov 15, 2021 · Here’s my story: We have a 2007 Honda Pilot with a 3.5L V6 engine. About 2 months ago, it started running rough and threw the random misfire code (P0300) and misfire codes for cylinders 2 and 5. I replaced the spark plugs, PCV valve, and air filter first. Also tried some Meyer’s Mystery Oil in the gas tank. P0300 code honda accord, The following codes pulled are P0301 P0302 P0303 P0300. The codes indicate a misfire in cylinders 1,2,3 and random misfire. My first concern was that the rear cam gear (firewall side) was off a tooth. I'll note now that this isn't my first timing belt job on a honda., 1 Dec 2021 ... Comments77 ; How To Fix A Misfire Code with Basic Hand Tools | P0300 P0301 P0302 P0303 P0304. CarsNToys · 353K views ; Honda Accord Ignition ..., 1999 HONDA ACCORD IT HAS A P0300, P0301, P0303 AND P0306. SWAPPED THE INJECTORS AROUND STILL HAS MISS FIRES ON THE - Answered by a verified Mechanic for Honda. ... 2004 honda accord 3.0 v6 rough running. code test P0301 - P0306. all cylinders misfire. P02240 oxy sensor P0300 random misfire. Plugs are new, …, 12 Aug 2023 ... All the lights came on cash Honda Accord 2018 2019 2020 2021 2022 2023 cylinder misfire p0301 · Comments37., Have misfire codes on your Honda? P0301, 302. 303...and so on. Honda's ECU cant tell which cylinder isnt contributing so do this quick cylinder ballance test..., P1399 is a Honda specific diagnostic trouble code. It means that more than one of your Accord's cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out., MEMBER. 1996 HONDA ACCORD. 4 CYL. FWD. MANUAL. 298,000 MILES. I have multiple missfiring in my engine, at 85kph speed my Engine light is flashing. I replace fuel injector, checked spark plug sparks, replace map sensor, replace fuel filter, when my fuel tank is full of fuel engine lights is not flashing but gas pedal is hard to press., 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 …, 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.”., I have a 2000 Honda Accord with CEL on Codes are random misfire P0300 301,302,303, 304 and P1399 - I have replaced plugs, wires, cap, rotor and no change. Recently have figured out that the P1399 pops up when sitting at idle and CEL will start flashing. If I increase idle speed from 700 to 1000rpm P1399 will not trip the light., P1399 is a Honda specific diagnostic trouble code. It means that more than one of your Accord's cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out., p0300, p0302, p0304, p0305, p0306 ... Within a day or two all the codes return, again with no noticeable problem with or performance. ... Honda Accord hybrid '07 ..., 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., Find out what causes the P0300 Honda code, which indicates a random or multiple cylinder misfire, and how to diagnose and repair it with AutoCodes., 2009 honda accord 2.4l p0300 p0302 p0303 p0339 P1456 honda accord 2002 P0300 code diagnostic codes misfire fault cylinder p0301 causes fix located p0302. Honda Pilot Check Engine Codes - 08/2021. P0302 p1399 p0300 p0304 2001 ex forum Toyota obd ii p0300 P0300 misfire disassembled detected carparts., 23 Aug 2023 ... 303 304 & P0300 Random Multiple OBDII error codes on Honda Insight 2ZE. There are many reasons why a car engine could be showing the code P030X, The 1969 Honda CB750 changed motorcycling forever. Learn why and see pictures of this groundbreaking machine. Advertisement The 1969 Honda CB750 motorcycle offered a combination of..., Labor: 1.0. The cost to diagnose the P3400 Honda code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour., Here we go again...P0305: Cylinder 5 Misfire Detected. 2011 Odyssey. March 2017: 72,075 miles. Check engine light for P0303 code. Before I knew about OdyClub, replaced all spark plugs and all coil packs. Coil Packs were replaced with non-OEM. June 2018: On a 1,000 mile road trip with the family. Check engine light comes on. Engine vibration ..., 21 Jan 2020 ... In this video you will be watching how we diagnose a 2006 honda accord that has a muliple misfire and fluctuating idle it happens that it ..., JEFFro said: Hi everyone, I own a 2006 PILOT EX with 77k miles, so today the car decided to throw the random misfire P0300, and cyl #1-#6 misfire codes (P0301-P0306) on the way home from work. I had a friend pulled the codes, reset it and haven't came back since (only drove 5miles). I searched google and found there is a service …, P1399 is a Honda specific diagnostic trouble code. It means that more than one of your Accord's cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out., 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..., 23 Aug 2023 ... 303 304 & P0300 Random Multiple OBDII error codes on Honda Insight 2ZE. There are many reasons why a car engine could be showing the code P030X, 2004 Honda Accord 3.0 Liter V6 Misfires. This 2004 Honda Accord came in with the SES (or check engine) light on. I checked codes and found a misfire code for everyone of the six cylinders. P0301, P0302, P0303, P0304, P0305 and P0306. With a code set for every cylinder plus a random misfire code P0300 I was pretty sure there would be a common ..., P0303 definition: Cylinder 3 misfire detected. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine ..., P0300 is a generic OBDII code that can occur with the Honda Accord. 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)., Get Your Code Fixed Fast; Find a Shop. Popular Engine Codes po420 code po172 code po0171 code po128 code po300 code po456 code po430 code po442 code po455 code po113 code. Fixed It But The Check Engine Light Is Still On? Check engine light sometimes need to be reset manually, check out our article:, Welcome to DARCARS Honda Fairfax, your Honda dealership in Fairfax, VA, specializing in high-quality Honda automobiles, financing, and maintenance and repair services. We …, The crankshaft generates torque by delivering rotational force to the transmission or transaxle, then transmitted to the drive wheels. A misfire DTC ranges from P0300 to P0312. 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, …, January 30, 2023 by Jason. 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)., This 2004 Honda Accord came in with the SES (or check engine) light on. I checked codes and found a misfire code for everyone of the six cylinders. P0301, P0302, P0303, P0304, P0305 and P0306. With a code set for every cylinder plus a random misfire code P0300 I was pretty sure there would be … Continue reading "2004 Honda Accord 3.0 …, The P0300 code is telling us that there are misfires on several cylinders, which is much more often caused by an incorrect air-fuel mixture. If you find the P0300 code and another P030X code, it is more likely to be an ignition issue on that specific cylinder.