Expert Techniques in Advanced Vehicle Diagnostics: O.B.D. II Secrets Unlocked
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- เผยแพร่เมื่อ 13 ก.พ. 2024
- Get ready to master the heart of automotive troubleshooting in Part 3 of our riveting Advanced Diagnostics Series! We're plunging into the essential universe of the 10 different OBD-II modes, revealing why they are the cornerstone of more than 80% of all diagnostics. Today, we discover the intricate details of how these modes operate, the critical role they play in identifying issues, and why they are your best ally in the diagnostic battlefield.
We also take a special focus on the game-changing power of Mode 6. Understanding why experts and professionals alike turn to this mode as their go-to tool for diagnosing and confirming fixes for some of the trickiest issues cars face today, including misfires, EVAP system errors, catalyst efficiency, oxygen sensor performance, and EGR problems.
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Electron John should have thousands of views. This goes to show you the mentality of the DIY'ers and a few legit professional techs. They don't want to learn and gain understanding but instead they just want to know how to fix an issue with zero understanding of how the component or system works. What's wrong with this mentality? It's further encouraging parts replacement with a good chance that the problem is not fixed. Other words, loading the parts cannon and crossing your fingers. John, I would like to THANK YOU for what you share and teach. You're top notch in my book sir. You make complex concepts easier to understand.
thank you for your continued support in watching this series. I have a lot of ideas planned and as long as people continue to watch and have interest, I plan to keep releasing them. thank you for the kind words again.❤️. much appreciated!
He would if he wasn’t new.
Yes! You see a lot of what I did when teaching. Students and working techs (had both in my CC classes) just wanted to know the most common faults, but did not want to learn how the systems worked. Another key is reading and understanding wiring diagrams/schematics (to my mind once a fault is detected then the schematic for that circuit should be pulled [preferably OE if available] and analysed, to help isolate the fault.)
@@gregwarren8583 hi Greg, thank you for watching. I agree, understanding how a system is supposed to work, is the most valuable tool one can use to diagnose a problem quickly and efficiently
Of course there's interest. Thank you so much for sharing all that you've learned over the years with ud all. It's very much appreciated.
I just can't wait for the next episodes and especially the one on decoding CAN.
Keep up the excellent work, it is awesome as it is.
I appreciate that!
As a DIYer this is exactly what I've been looking for to gain a fundamental understanding of how OBD2 is built, how it operates and therefore how to interpret it's data on a wider view.
Very well presented. Thanks very much. Instant subscriber.
thank you, I appreciate the support!
Wow very intuitive video! im subscribing now!!
You are a good teaching instructor 😊
thank you so much for subscribing and commenting!
I am grateful to have access to such knowledge and be addicted to it. My favorite drug (driveability and mindset diagnostic)
I am grateful for your support!
Mode 6 data can also predict the future. I use it to look at the hex decimal numbers to see for example if the catalytic converter is about to set a p420 code. It’s also invaluable for diagnosing no code drivability issues. Most scan tools cannot display the data needed. And it requires the manufacturers conversion numbers to make sense of the numbers. But if you can master this one mode you’ll become a next level diagnostician.
Thank you for sharing this information! Very helpful for those of us who want to learn! Can’t wait for the CAN system video!
thank you for watching. there is about a half dozen or so videos planned before the can video but I promise it is coming
I love all the tips and tricks of knowledge
thank you for watching. I truly appreciate it
Your channel is my new favorite as a self taught mechanic. Plenty of depth and background explained but not overly complicated explanations. Thanks! The AI chat bot was a trip playing with it the other day!
thank you for commenting and the kind words. I appreciate your support!
What a gem of class!
Thank you John!
thank you!!!
This series is just brilliant, thanks for sharing John.
happy to do it. thank you for watching and commenting
Hey John, I just subbed to your channel, been looking pretty good so far with good accurate information. I am looking forward to your next videos. Keep up the great work! 👍🏼
hi mike, thanks for subscribing and commenting , I am grateful to all of you that subscribe and comment letting me know which direction to take my channel in.
This is probably the most comprehensive video. I’ve seen on OBD two systems can’t thank you enough for the presentation.
thank you so much!
Love the brain candy! Besides being a great instructor and presenter your video production is a breath of fresh air. Thank you!
I can’t take credit for the video part except for making the investment in equipment. my nephew is the talent behind the scenes with camera shooting, lighting and editing.
Thanks for this educational video as always. You are on mission to really better the automotive industry.
thanks for the kind words, but those that take the time to watch these are the real hero’s in my book. thanks for your continued support by watching.
I'll be waiting patiently for the 5 gas video!
thank you for watching along. I promise the 5 gas is coming. trying to work a deal on a new unit
Good Job John. I worked at GM (chevy) for 31 years ...Flint MI. Various jobs in emissions related federal certification. Never had a dull moment at GM !
that is great. I became a mechanic because of my love for Chevy muscle cars!
Thank you John
thanks for watching
Thanks John. As a professional tech I learn a lot from this video. There's power in sharing.
thank you so much for commenting
Great job. Took a bunch of notes. I watched all 3 videos in one day. Would love to see some real world testing on cars that have a drivability issues. If possible in your upcoming video on fuel systems, would love to see a way to trouble shoot restricted injectors, with a scope, amp clamp, scanner , etc. Something that doesn't require pulling the rail and firing the injectors. Just got my but kicked on a Prius . My guess was right, I knew it was a fuel delivery issue. Eliminated fuel pressure- lean across the board but only misfired and ran poorly at idle. Lean codes in general when its not a vacuum leak and fuel pressure is good and load sensor is good. BTW- I do remember block learn and integrator from back in the day. Thanks again, keep em coming
Billy, thank you for watching and the kind words. I will try to incorporate some hands on testing for you in the fuel video. I have been thinking of doing some of this but was afraid the video length will be too long and people may not want to watch, but I will give it a try in the next video. thanks again!
Comprehensive overview ! Incredibly clear descriptions !! Seriously !!! Thanks mate 👊🏼🔥 .
thank you for the kind words and for watching!
Good basic tutorial on OBDII. Glad to know you will explain more detailed information in some future videos. It is critical to know the intricacies of scan tool data so that you can double check or verify a fault & its repair. I took a course in automotive technology back in the late 80's, and since then I had to read multiple books & articles (Motor) to understand how OBDII worked. TH-cam techs like you have filled in the missing pieces. As more techs & D.I.Y.ers come across your channel you will definitely get more subscriptions.
thank you for watching and taking the time to comment. I will surely be adding more videos relating to deeper conceptual testing in the future.
Of course we are interested on long, informational and professionally presented like yours. I have been doing this type of job for awhile now and I can honestly say that in the few videos I have watched on your channel is very easy to tell you are dedicated to this trade(profession) and I really appreciate all the classes you put out there for us to watch.
thank you for your support. my day job has kept me from posting for a couple of weeks but I have many more planned. thanks for the kind words!
please keep making videos. now that the series is complete, perhaps practical application and diagnostics videos
hi John, we have a fuel systems video being uploaded as soon as editing is completed. next we will have a battery and starting and charging systems video being uploaded then the third video will be something called quick check diagnostics. I think you may really enjoy the quick check video as it pertains to practical diagnosing various issues. thanks for your support!
I’m trying to be a more efficient technician and these videos are really helping. Thank you!
you are very welcome and I appreciate your support of the channel!
I'm a DIY. I just learned a LOT. Thanks. And I hit the bell 😂
thank you for hitting the bell! lol. thanks for your support
THANKS AGAIN JOHN, especially for explaining the Mode 6 global obd side. Please continue with Diagnostics contents. Have a wonderful weekend.
thank you for watching and commenting. your words of encouragement came at the perfect time when I am reading a comment from someone who is attacking me with their comments. I will always take the high road however and not stoop to their level and I will surely continue to support my followers with new content. thank you again!
@electron-john There's always going to be that guy who thinks he knows it all with a big mouth and a keyboard and all for a lil publicity and attention.
@@electron-john Sorry to hear that. Unfortunately there's always going to be haters. Luckily it's only a few. Misery loves company so it's best not to stoop to their level and you already know that. Just ignore them.
@@bernardocisneros4402 thank you for your support
thank you!
Thank you Sir , for sharing your knowledge to us, truly beneficial to those who would like to continue to embrace this trade & technology as auto technician.looking forward for your next video series,Deeply appreciated 🙏God bless.
I am happy to share knowledge and experience. I am so grateful for you and others that watch these videos. ❤️
Thanks for the excellent information,
Louis. Cape Town
thank you for watching!
amazing im a retired master tech,but still need to go to class.thanks
thanks for watching
Thank You John, excellent video's, please keep them coming
thank you!
you got yourself a new subscriber! Love the explanation, thank you!
thank you so much for the support! I appreciate it.
JOHN, AWESOME information you been sharing thanks for the time and effort to do this really appreciated brother. cheeeers for On, Canada
I appreciate you taking the time to watch and comment! THANK YOU1
Good Stuff! Great Channel! L & S
a big thank you to you!
Great job john
thanks David!
Great content like the global obd explanation
thank you for watching
👍👍👍 From Sweden
thank you
Thanks you for the knowledge you gave to us bro
hey thank you for watching!
Thank you 👍
thank you!
Awesome stuff
thank you
Thanks!
thank you for your support! I appreciate it and the will help pay for the camera crew.
@electron-john
@electron-john
• 0 seconds ago
as a special thank you for the donation, if you send me an email to electronjohntraining@gmail.com and let me know you are the one who sent the donation, I will send a special pdf file of a book I wrote list various vehicle complaints and what could be causing the issue. this manual assumes there are no codes stored.
@@electron-john Thanks a lot! I will and also will make more little contributions as I can! I like and appreciate the type of deep analysis you make! 👍🏽
@@leopoldomendoza9785 thank you and as always I appreciate your support and happy to help in any way I can.
please don’t forget to send me an email at electronjohntraining@gmail.com to receive the book I promised
On the global side of OBD2 are the fuel trims live data? I didn’t think they were actual readings but come from fuel mapping programmed from the factory in the computer?
so the fuel trims are actually mapping values based off of exhaust oxygen content readings at various dynamic operating conditions.
👌❤
thanks for watching!
Dang bro, I taught my youngest about OBD2 in less time.
All I see is you talking about your program that costs money each month to tell you whats wrong.
Any decent scan tool will do that.
If you dont know what you are looking at or what the tolerances are, that scan tool will be speaking greek.
just so we are clear, at no time throughout the video did I ever talk about, nor do I have a program that costs money each month that tells you what’s wrong with a car. I am giving away years of my experience for FREE and I have to get attacked by you? thanks for watching
@electron-john
Yes you give advice but the program you use costs money each month.
You feel attacked ? 🤣
If people don't know the tolerances that are allowable on the sensor, how will they know if its bad ?
I had a guy tell me my alternator was bad for pushing out 13.8 volts. 🤣
He said it should be 12 v max.
When people don't understand, they will get it wrong, regardless.
I'm not attacking you or your "years of experience".
I give free mechanical advice and services too.
I watched the video and was bored.
You repeated yourself numerous times and talk too slow.
That's not hate either. 😂
Show the scanner in use and go from there with the explanation.
again, what program are you talking about? this video was on global obd 2. that comes free with any scan tool. everything I discussed in the video was pertaining to how something works, at no time did I promote something that costs money. if there was an ad that popped up, that was not me. and yes, maybe you don’t like the video because of me and my talking slowly or whatever else you said but I personally would not go to your channel about coins and say what I didn’t like about the videos you have, I would just simply move on . again thanks for watching.