How To Fix A Misfire Code with Basic Hand Tools | P0300 P0301 P0302 P0303 P0304
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- Опубликовано: 16 июл 2024
- Today we'll going over a number of steps regarding the dreaded misfire code. It may seem a little intimidating, but simply checking each component, one by one, simplifies the job. We'll check the coil pack, spark plugs, fuel injector, harness connectors, relays and perform a compression test.
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P0301 - Number 1 Cylinder Misfire Detected
P0302 - Number 2 Cylinder Misfire Detected
P0303 - Number 3 Cylinder Misfire Detected
P0304 - Number 4 Cylinder Misfire Detected
P0305 - Number 5 Cylinder Misfire Detected
P0306 - Number 6 Cylinder Misfire Detected
P0307 - Number 7 Cylinder Misfire Detected
P0308 - Number 8 Cylinder Misfire Detected
Note:
Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk. Carsntoys is a member of the Amazon Influencer Program.
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#misfire p0300 Авто/Мото
As a licenced mechanic and electro-mechanical engineer tech I say you are an excellent video teacher.
Can you explain the compression test? Did he crank the engine 4 times rapidly? Why did the pressure increase in discrete steps? He seemed to gloss over that 🫤
@@sciteceng2hedz358 He just held it cranking until the reading peaked...the pressure builds, it's not instantly at max.
Why would my mechanic replace spark plug but not my ignition coil. My dodge calibe has a p2311 and now I’m fixing it as I watch him. Money down the damn drain. My light wasn’t flickering til he worked on it it was lit but not flickering
Definitely one of the best diy videos I've seen. Short and straight to the point showing every step needed and what do according to results. Pretty much troubleshooting diagram in video form. Really appreciate you making this video.
I have to say this man is very thorough. Its so insightful and he explains it in a simple way and doesn't leave out anything. This man gives me confidence to work on my own Vehicle. Thank you for the way you teach.
I appreciate that!
@@CarsNToys I got my honda pilot that been in few shops with the code p0303 and they replaced spark plugs, coils and still have the same issue too check engine vtm-4 and vsa light keeps coming out
What did it end up being?
Absolutely brilliant. I'd had an old school go. Then I saw your video. I have exactly that engine and a misfire. Pulled the covers off and did all your diagnostics . I swapped coil packs while engine running. The misfire followed the coil pack. So off to get one tomorrow. Many thanks.
Dude, thank you. Your video was ultra helpful in giving me confidence to check all the things. You are well spoken and detailed.
I second that!
This is an excellent tutorial! I appreciate the overview style of instruction about the topic. Other instructional videos tend to troubleshoot active problems; this approach is fine if I happen to be fixing the exact same problem. Unfortunately, because my problem is usually slightly different than what’s presented in the video, I have to rely heavily on background knowledge and / or piecing together information from multiple other videos. In this video, he outlines the fundamentals and then briefly explains how to troubleshoot and fix the multitude of possible issues. It’s a well rounded and succinct way to explain a topic. I’m working on a dodge v6 engine while he’s working on a Honda 4 cylinder and it’s still the video I prefer. 😅
Brilliant video even more briliant explaining how everything can be tested made me want to go out and check mine out just for fun. I am sure getting tired of all the shady mechanics and stealerships we have in this world. Guys like this guy explaining everything in the video is proof that people are still nice in the world and want to help you out instead of stealng you blind which is hard to find. Thanks for such an awesome video from start to finish i felt like i was not lied to one bit and also felt like i learned alot and now feel comfortable to try stuff more on my own then to be ripped off by the stealership or a shady mechanic. Once again thank you for all you do.
Absolutely one of the very best instructional videos I have ever seen. THANK YOU for being so thorough, so easy to understand, so easy to follow. I will watch all of your videos now and recommend them to others. THANK YOU!!!!
Just bought a 2004 CRV and it was giving these codes. This video not only helped me fix the problem but gave me the confidence in getting to know my Engine and that the which components were working fine. Beyond helpful!
One of the best videos on testing and very clear on instructions. Good video.
This is one of the best videos i have ever seen in here. Thank you on showing step by step, it made it easier on what I need to do before I start buying parts I dont need. Some Mechanics will ask you to replace everything without needing to do it. Thank you! :)
Great video mate. One suggestion for coil/spark plug testing...say code is for Cyl 1, swap coils between 1 and 2 and plugs between 1 and 3, if the fault goes to 2 or 3 you have the answer. If the fault stays on 1 you have ruled out coil and plug in one go.
Isn't that what he said at 2:27 in the video?
@@BruceD42 Not exactly, I added a suggestion to rotate the plug at the same time. Two birds, one stone.
Love your videos. As always explained in a simple clear manner. Thank you.
I agree with others. Your videos are very thorough. I feel like your channel deserves to have over 1 million subscribers. Thank you!
Great video, incredibly informative. Now I know how to do a compression test. Thank you sir.
By far, this is the best video on misfire . Thank you .
Excellent diagnosis and a great help to all who need it on cars. ( GB)
This is the best diagnosis video I have seen BY FAR. Incredible job sir.
Awesome dude!! keep on doing this type of work and quality!!
Thank you very much for this video. You have explained things well in simple and logical way.
Super duper guru level video, I hope you make more you definitely got the best video about this code and actually diagnosis of a car... not even mechanics nowadays diagnose cars because it's too time consuming. This is my go to video.
I am glad I came across your video. Very educational and helpful
Thank you!
This is awesome! please don't stop creating videos.
Excellent Video!!!!!! Thank you very much for taking the time to make this Vid.
Very good tips for us amateur mechanics, thank you.
The amount of if details and information and how clear it is , is crazy man lol fair play to you
Excellent video that i have ever watched. As a lay man/hobbiest I got through clarity about finding what is the actual issue and to fix it. ✌✌✌
Thank you so much. You are Genius in my book. Thank you for this great tutorial and your time.
Thank you for this video it was very helpful I really appreciate your videos
You are very clear explaining everything on details.
You are awesome thanks for all the knowledge you shared keep up the great work
WOW! Thanks for the video. Very impressed on how you explain the problem and steps. You know have a new subscriber.
You are so awesome. Absolutely perfectly explained, everything is so clear how to diagnose my 2004 Honda Accord VTEC.
We had these codes pop up for 2000 tacoma v6 shortly after changing sparkplugs after purchasing used. Turns out we had broken the tabs on ignition coils that led to bad connection. Connector plug wasnt sitting right causing misfires. We replaced coilpack and connectors too so might as well. Sparkplug wires is next because one tab is broken too and its held on by zipties. Thanks for breaking it down for us!
Very nice presentation! Thank you.
Hi everyone I’m a Honda and Acura technician just wanted to say very great video very good explaining the steps yes I recommend people start educating them selfs about there vehicles yes you can check a fuel injector with a multimeter and please wear safety glasses especially if your gonna deal with the fuel system great video you could definitely be an automotive instructor 👍 thumbs up 👍
Thank you very much, this video is very detailed and we'll explained in a very short time. 👍
Great explanation for beginners like me thank you buddy, 🙏
Very informative my man, thanks 😊
Thank You for just doing EVERYTHING YOU DO
Wow....great, great, video. Much appreciated!!
Nice job and good information , thank you so much .
GREAT video. Subscribed. Well done, sir. Thank you.
That was very helpful and educational thank you
This is a great video man..Thanks you very much!!!
Excellent video and explanation take care, blessings.
Very well presented!
Great video, thank you!
Thanks you brotha. Very great video
I Appreciate your knowledge, very helpful
Thank you again this video was more than been in class learning
Awesome!!🔥💯👍🏽Thanks bro🏆
great video, exactly the kind of walk through explanation I was looking for! thank you
Very good and detailed video, thanks a lot
Best tutorial ive seen on here😊
great video! with some tools and knowledge, you can save a boatload of money diagnosing your own car issues
Absolutely. Hope it helped!
Very informative and simple to understand. Thank you Sir
Very nice video i do understand everything thanks you very much peace
Great teacher thanks .
THANK U VERY FOR TEACHING ME ALOT OF STUFF AND YOUR ENGLISH IS VERY CLEAR FOR ANYONE TO UNDERSTAND .KEEP UP
Glad to hear that. Thank you
thank you very much for your help
It's very important that you do this on a colder engine. The bolts tend to break if you tighten them while the engine is hot.
Wires too. Have messed up spark plug wires pulling them while hot too
Excellent video thank you
thanks for shaing. Very helpful tips
Thats awesome explanation
Great 👍 Video!
Awesome, I learnt alot
Your video will alot people thank you so much ! It gold. Never learn so much just watch video and how it works amazing!
Will help alot of people I mean
Very very helpful
great informative video
Great video
Really helpful video
Good informative and well do video. I wish he would have checked the powers AND grounds on the fuel injector and coi. Also, how do you check the control wire on those. Thank you
Nice explanation sr...
Excellent video! I had 3 out of 6 cylinders showing misfire codes (including one with new coil, all have new spark plugs) and my mechanic adjusted valves to fix it. However, this made it much worse. Now all cylinders are misfiring and vehicle drives and idles very rough. I will attempt these tests. I'm at a loss for what's the cause
Yesss very helpful and detailed! Thank you Thank and Thank you! I'm pretty sure you save a lot of people some stealership money!!!
Thank you so very much.
Thank you for your video it was really informative. In my case I think the boot is detached from the coil pack and stock in my cylinder 4. Do you have any recommended tools or techniques I can use to take it out?
Felt like I was listening to my uncle explain things to me. Great video!
Thanks Great video
Good one , helpful Information ...
Very simple...!!!
Thanks!
Good video.
Very informative
I'm sooo glad I sub to you. The link to the compression kit goes to something other than a Craftsman lie the one you show in the video. It's totally different. Is the kit in the link a trustworthy one or should I go with another one? thanks
Tht was a great n helpful vid I'm having a problem on my C240 mercedes get codes cylinder 1,2and 3 misfiring and now it's difficult to start the car some times I must crank the car 10 times for it to start and some times it won't even start it end up draining the battery so I'm going to check for power on the wires which goes to the coil packs and will check for resistance on my injectors for cylinder 1,2n3 let's hope will get the answers why it's misfiring on these cylinders I also try disconnecting power supply to coil pack 1,2n3 thinking tht myb I could switch of the car but nothing
thank you very much, very good video on explaining and how to do this.
Glad it helped
Nice video thanks for doing this video
Thank you. Hope it helped.
Thank you having this issue now. My mechanic did my spark plug but didn’t replace my ignition coil which is bs. Now I’m figuring it out and he left a lug nut off my tire I had to buy materials for that too
Great job on this video explaining all the steps.
Great video but could you start with the year make of the car and also show the symptoms please
Thank you brother good video May God bless you in Jesus name just like you bless us.
Question if I just got the plugs and the ignition coils replaced and I get the same p303 code?
Just a couple comments, for one in my many years experience most vehicles have the relays and fuses for the engine in the engine compartment. Normally the fuse box for the cabin electrics like the lights, windows, door locks, dash, HVAC, entertainment, etc, is in the cabin. Two while doing an OHMs test can tell you if an injector has either a complete open or shorted circuit on the primary windings inside, it will not test if the pintal is moving or if there is a partial break that is causing the injector to not generate a good magnetic field to move the pintal. An injector being mechanically stuck is more common then an electronic fault, which your resistance test with a multimeter will not show. Also you dis not mention the fact of the signal wires or testing the ground connection on either one of those circuits, which could also have a fault. I know what dealers say to test, but true diagnostic technicians know those are often poor testing methods the dealer has in their flow charts. Also you did not do a voltage drop test on either one of those circuits when testing your power feed, which is a superior test to testing for resistance which a wire that is almost completely cut will show up as ok when testing resistance. If you are going to show stuff like this, please show good testing methods instead of the bs that has been standard in the automotive community for too long.
Quick question after you replace the coil pack and you rescan the car will the code go away or do I need to reset something?
thanks
Hello I have a Misfire Code P0300 P0302 P0303 how do you fix this change starter and coil pack, spark plugs still getting this Codes ...What do you think ?? Great Video I have a 2008 Honda Accord
Do you need to unhook battery to replace coil pack? thx you
hi..is there an icm video with its corresponding failure and fix?
Very good videos congratulating
Thank you. Appreciate the feedback.