Diagnose Engine Misfire Issues by Reading Your Spark Plugs
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- เผยแพร่เมื่อ 18 ก.ย. 2020
- Here is how you can diagnose an engine that is running rough and is having a misfire, burning oil, running too lean or too rich, has advanced timing or a bad oxygen sensor and other diagnosis by simply looking at the spark plug.
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Disclaimer:
Due to factors beyond the control of Ratchets and Wrenches, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. Ratchets and Wrenches assumes no liability for any property or personal damage that may arise from doing a repair on your vehicle after watching any of my repair video's. Due to factors beyond the control of Ratchets and Wrenches, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Again Any injury, damage or loss that may result from improper use of tools, equipment, or the information contained in this video is the sole responsibility of the user and not Ratchets and Wrenches. - ยานยนต์และพาหนะ
just in case scotty is watching : you know he is, dont do that, that will break that, will pay for that, youll get ripped off, ive seen it over and over, you got scammed, you paying to much, change your honda waterpump in 3 steps, all you gotta do, ive gone millions of miles, my grandpa said, back in my day. ha ha ha. good to see your back. great video.
Love your old school teaching of possible problems with our cars. This is the stuff they teach in Automotive colleges. So we appreciate you sharing the information. Thank You sir🙂🙏🏾
This guy is the man. Great teacher. That is a talent. Lots of people can know their stuff but not a lot of people can teach what they know properly in a clear and concise manner. Every video I watch I learn a ton of stuff I never knew before.
Dude I’m so glad your channel is back. Without your Hyundai timing belt videos, I would never have attempted doing the timing belt on my car. ($700 at a local shop). Looking forward to your new content
You’re definitely my favorite TH-cam Mechanic
this guy teaches me way more than the title even suggests. love to see it
I have no reason to be watching this, just glad you're back.
Covid 19
Instablaster...
You should make a video of how you got into fixing cars and where you got all this knowledge from. I like the fact you do everything on your own! Fixing cars your house or land that's very inspirational.
this! kinda miss that kind of thing since scotty kilmer retired
I watch the channel for years and I appreciate this guys commonsense advice
I really like the “Hey Hey Hey” the beginning of every episode.
And the "Doityoursulfurs"
Hey hey hey clean that engine
I'm old enough to remember when the Fat Albert albert lead in song began that way. "HEY HEY HEEEY! It's FAAAAT Albert! And I'm gonna sing a song for youHOOOO!"
The man is back 🙏🙏💯💯
When I was changing spark plugs way back at 30,000 miles (and the ignition 'points') I looked at the condition of each spark plug.
Now in 2023 I have almost forgot about them!
Thanks for the video
I appreciate how you cover your subjects. Great fact based information. Thank you!
Thanks for the great video! Glad to see you're back!
That information could be useful when buying an used car as well.
Thanks for sharing!
Great video as usual. Appreciate guys like you putting out great teaching videos
love the video. i have someone i already follow but your video was real, like i was standing next to you. i leaned so much from this. i dint have to watch multiple videos to learn multiple things. i actually understood your terminology. thanks.
You're good at what you do sir. Thank you for the spark plug lesson.
beginning of the video: idk how to read spark plugs
end of video: ok i'm a pro now
you make some amazing videos.
it is so nice to see the patterns the data is supposed to make so i can use my reader
That's crazy, I just did a plug read today. Then you uploaded this. Good timing! :)
Love it man, thanks for sharing! You’re rocking it Brudduh!
Glad your back bro learn so much off your videos
Great video 👍 I appreciate all the information about spark plugs and emissions
Thanks 😊
Best video I’ve seen on this subject, thanks a lot boss! 🙏🏽
Thank you. One small thing you said answered all my questions.
Thanks!! Very professional way to explain it! ...Easy to understand
All your Videos Are great. Thanks for the Time you Are putting in to it. Keep up the good work body 💪. Greatings from Denmark 👌
Great content, excellent teacher. Thank you!
Thank you for sharing your knowledge.. i automatically 'like' every video as soon as I start watching.
One of my favorite. And Chris’s fix
RnW always to the point and informative as always
good teacher.good sense of humor. I've learned a lot.
Awesome talk thanks. Very precise and short to the point.
Lovely dogs too
Hey thanks for some of the information you put out there! Much love from Houston to Houston lol
Your info is very helpful and Your Knowledge about cars AWESOME !!!!!!
Keep sharing !
Excellent video. Thank you Sir 👍
Wow perfect video thank just found out I had a leaky fuel injector thank you so much
Awesome video, really appreciate it.
Perfect explanations. Thank you!
Very helpful information, thank you
Excellent video & explanation. Thanks!
WHERE HAVE YOU been ?????? WELCOME BACK👍🏻👍🏻👍🏻
I have in my entire life only put one of my vehicles in the shop twice. Neither time did they fix it. Still broke despite the $1200 spent to do what I had already done & informed the different shops of this in advance. Aside he's the best one I have found to help diagnose and fix your car or truck and doing yourself can save you a lot considering that I only paid $1500 for that vehicle $1200 wasted in the shops knowing nothing more than myself
I love this guy... thumbs up for you.
This is the best description of spark plug reading I've seen. Where's that mystery fruit?
Good recap, thank you sir
Very helpful info thanks for what you doing!
Thank you. A good, interesting presentation.
Thank you! So helpful and concise.
Good refresher.
Good stuff; great information; excellent video !!!!
I changed mine in my 2007 Jeep Grand Cherokee Overland 5.7 liter it took me 4 hours. The gap on a new plug for my vehicle is .045". The burned up ones where Champion Copper Plus the gap was around .065"+ . The new ones I put in are Champion Platinum spark plugs the gap new is .045" and that's what there where factory gaped to. The MPG's have gone up to 21-23 MPG's at 55 mph on flat highway. The old ones I was getting more like 17-20 MPG's.
Thanks Man good advice!
Merry Christmas 🎅 Ratchets and Wrench
My teacher
Thanks👍
From Nick Ayivor from London England UK 🇬🇧
I like his opening hey hey hey. Feel like live..good job
Very good n thank you for the info grasias. amigo muy bueno su. info bendiciones amigo
Good information.. thanks. My vote is for you President!
Hell, I'd vote for his dogs over what we have now.
I feel like a pro already …thank you --great video
Subbed! Thanks for sharing your knowledge.
Super video! Learnt so much :)
Thanks so much Mr RnW
Great knowledge
Great to see that you have started loading content regularly again. Am I the first to ask about the Audi sleeper car? Wondering if that biturbo is making silly power. Also figuring though the farm may have caused a dip in funds while getting the infrastructure up to OCD standards, and maybe you're just enjoying the car as a driver not a racer.
Thanks again for the content.
That's pretty accurate no funds to build it up right now but will be upgrading it with a tune to stage I pretty soon.
Thanks a lot Sir very informative video 👍👍👍👍👍👍
Funny this was suggested to me, havent been on my computer in like 2 months.. just got done doing some plugs on my 95 f150 5.0. I only got 4 plugs changed in like 5 hours because the plugs were breaking off and refusing to come out. But the 4 that I got out were really healthy looking plugs according to you, so that's good. Especially considering the truck has 211k miles on original motor
Yup reading a spark plug can tell u a lot of info👍
New subs. Here sir.. salute and respect to all your vids.
on my other car, 09 impala ss..... mines was heavy burning oil ... a quart every 500 miles because of the active fuel management i was changing plugs every 3000 miles or so. i bought a tune and turned it off and havent had a problem since
Have u tried a hotter plug to burn 🔥 up the oil?
Beavis and Butthead! Haven’t thought of them in a long time. Anyways glad you’re back!
great vid, many thanks again......
Good information
this guy taught me more in 10 minutes than my high school engineer in 4 years
Great video 💯💯💯
Thanks a lot , hey man I love your videos and love you too
You are so good bro. Thx
Very nice video; keep up the good work
I have a Honda Car with 1.3 IDSI engine having 8 spark plugs. The engine is powerful but the only center two spark plugs get really black after one week driving. I replaced old park plugs with new NGK spark plugs but the problem is same.
Can you kindly guide which is causing this issue?
Love your content
Thank you
Drove diesel cars all my life, recently my dad bought a petrol car so this'll come in handy someday :)
Thanks to u I fixed alot of cars
Thank you sir!!! 😊
This is helpful, I think it helps me understand what I found. 2020 Mustang 4 cylinder, 18K Miles. First few oil changes free from the dealer, decided I wanted to take over maintenance myself so completed my first oil change the other day. The next day I pulled the four spark plugs to replace and was horrified to find oil dripping from the threads on second plug from the back. I didn't think oil could be actually getting in when the engine was running because the car had been running fine, so looks like I must have overfilled oil despite being so careful. Now my question is, can this result in long-term damage? The car seems to run all right and I haven't seen any smoke out the tailpipe, so not quite sure where I stand.
You look a bit like chino Moreno from the deftones.
I was thinking the same thing. I didn't know Chino Moreno was a car mechanic on the side
Way2go sparky😁If I may, the insulator, beside the internal resistance, their integrity also worth regarding. Even if notice a fine dark line that can't be cleaned likely indicates a crack that will get noticed under operation. Careful removal & installation, with cleanliness, also concern for ignition system components because HV will find any break & deterioration along with any dirt oil fluid smudges.
Thank You! ! !
Gonna try 2 steps colder and new wires, then hope that is what's causing the carbon on my plugs to build up so quickly. Probably change the air filter too now that you mentioned it.
Thank you 😊
Appreciate it sir thank you.
Very good explanation.
I think my valve steam
The “anatomy” of the spark plug-it just sparks the imagination! Miss fire! Little Miss Fire! YOUR FIRED!-lol. Man o man! Oil goin’ out chur tailpipe! Sounds messy dude! If your talking about grandpa it’s time to get a pack of adult diapers! Same remedy for that leaky fuel injector! Adult diapers! Lol. As a care taker this just sounds too hysterical. Detonation!! Oh snap!!! Can you imagine if doctor’s talked to their patients this way????!!!! Come to think of it, this would be a good way to bring up that sensitive ED conversation with your MD!!! You start talking auto shop and you will have a script for Viaga before you can say “BOB’s your uncle!” He will totally get it!
Thank you 🙏🏻
Thanks for share man!
For jetting purpose
How many time under combustion a new or very clean spark plug needs to catch enough deposits to be read?
How many time for partial throttle opening, how many time for WOT?
Thanks to you man!
Enjoy your work. Have misfires on Cadillac Northstar. 2 plugs were "clean" but head gasket combustion test was negative. Compression test? Leak down?
Thanks
Thanks bro
Great info
Glad it was helpful!
Great video!!! A spark plug in my 2010 Honda Odyssey is oil-fouled, and the dealership says it's probably the piston ring, because it happened again just after 9 months it was previously fouled. I just want to keep it running for the next couple of months until I trade it in for a new care.... Can I just get the one spark plug replaced, just to keep it running for a few months?
Dude thanks 🙏🏽. I thought I had “Oil Fouled Spark Plugs” , turns out that I have “Carbon Fouled Plugs”. You ARE THE MAN! Heheheheheh
Great and informative video, RnW.
You didn't say what a normal working spark plug would look like. That is, one working in normal conditions, no lean/rich mixture, no oil leaks, no oil burn, no coolant leak or burn, no timing issues, etc.
Also, what would a brownish looking spark plug indicate? Electrodes are perfect, and no excess deposits on the plug.
Isn't that the first one he showed?
Great video thanks! But what about if you got some sort of little metal stuck (balls) to the spark plugs? Looks like a mini welding.