Retired dealer tech here, I hope people appreciate how hard you are working to explain this. I sent a link to my sons, this is very well done.

@TheCarCareNut

3 жыл бұрын

Thank you my brother!

@EZ-D-FIANT

Жыл бұрын

I've just started watching but am looking forward to it from your comment alone....

@fritzpierre9631

Жыл бұрын

Good stuffs 👍

@rakanrakan9994

Жыл бұрын

@@TheCarCareNut is it need to replace it with new one for good reading of fuel and air ratio ?even if old one is good ?

@jeffgrantIS350

Жыл бұрын

Can you please help me. How would you disconnect the plug behind the block on Bank 2 sensor 1. The plug for 02 sensor is tucked behind the block and I can't get both hands back there to push the clip and pull the wires to disconnect the connection

Car-care nut,I am an auto-mechanic, specifically,a Toyota specialist.I operate an auto-workshop here in Lagos Nigeria.Since I came in contact with you on KZread,I have tremendous respect for your detailed, not only to your DIY viewers,but also to practicing mechanics. I must confess,that you are a born teacher. I am your great fan & I will never stop watching your videos. God bless you forever.

@user-mc5eq5nc9l

Ай бұрын

Hello sir, Pls where is your shop located in Lagos?

You do a amazing job on the videos. I was a mechanic for years and I still learn from your videos. Thank you.

Good job AMD. I taught automotive in the community college system for 15 years and your explanation hit the mark. A good educator makes complicated things easier to understand, not harder to understand.

This guy is the best. Absolute master mechanic generously sharing his technical knowledge, what a legend. I've spent so long trying to figure out an issue I've had and now i know it's a vacuum leak. Thank you from the bottom of my heart.

Thanks again for your excellent videos. Your not just a master mechanic but also an excellent instructor. I’m a retired vocational instructor with 26 years in the classroom and before that 18 years as a union tradesman. It shows how much you love your trade and that makes the best instructors. Thanks again for sharing your skills. God bless you.

@dporrasxtremeLS3

Жыл бұрын

YES! Agreed!

In just three years, the McDonald's dollar menu has undergone a five-fold transformation - it's now the five dollar menu! The video seems to have been captured around the time you left the dealership, with the Big Blue visible in the background. And now, you've established your own shop-impressive progress!

wow . i’m 58 years old . consider myself “ knowledgeable “ in most things mechanical . today i learned something new . thankyou sir

@flagmichael

3 жыл бұрын

Same here. Our knowledge always has gaps, and this channel fills quite a few of them.

@shaneanderson1036

3 жыл бұрын

@@flagmichael iv always done a reset on my cars computers after a service / filter change. disconnect the battery neg . turn head lights switch on , insert car key ignition and turn on. then remove key and let sit for min 15 mins to drain the slightest bit of storred electricity in the computer . then connect battery and turn key on and let sit for 2 mins before starting . let idle up 10 mins till temp gauge starts to move then drive normally . i find this resets the management systems and maintains a healthy fuel ratio level . am i wrong ? i just reset out little 2019 1.6 korean car as it was getting heavy on fuel . this reset worked a treat and dropped the fuel consumption a lot . from 10-12 ltr /100 to 7-8 ltr /100 .

"The warm glow of the check engine light ". CLASSIC. 😂❤ 20:10

Owned a 2011 Prius and now a 2001 Camry with 113000 miles on it and your videos have been extremely valuable. Thank you for taking the time to make all of these quality videos! May the Lord bless you and keep you as well!

@whiznot3028

11 ай бұрын

My 2001 Camry has 117,000 miles. I still love that car.

Old time mechanic here, I learned alot today. Thanks!!!

I have to say, even as a professional oxgen sensor supplier, i am still impressive to your video, you know more about the sensor than me, Nice job !

You are an excellent teacher!😃. I am learning so much. I don’t want to miss a session.Thank you for giving us your knowledge!

@makeorbreak4life

3 жыл бұрын

I concur. I don't know why I had not come across his channel sooner. Keep up the good work.

Excellent teacher, we need more educators like you! 5 STARS "Better than a thousand days of diligent study is one day with a great teacher." Thank You!

AMD, you have a talent of explaining complex topic in a easy, organized way using plain English. I been DiY shadetree mechanic for a while and you're the first person who can explain the emission system and how it works that actually makes sense. Thank you posting such a useful info.

i have a doctorate degree and surprised to find that practical things like these are the things you really need in everyday life!

@AA-os1sg

2 жыл бұрын

Hey doc how you doing

These videos are really great , I don't know how many I've watched already , I learn something new every time . Since I was about 13 years old I wanted to be an auto mechanic . I went to General Motors Training Center right out of high school in 1969 , I was not sponsored so I didn't have a job afterward . Ended up working in a steel mill and am now retired , I have a shop in my barn and spend my time buying and selling machines ,do some fabricating and do maintenace on my cars . I have a 1994 Toyota T-100 pick up truck that I bought new , its got 335,000 on it still runs great . I just bought a 2012 Lexus es 350 and I appreciate you and your excellent knowledge of your trade , I wish I could start over and work with a guy like you .

I have always been curious how auto parts work, not just how to install them but to know the physiology about them. I am so happy I came across your page. I will be a lifelong follower of your channel and I appreciate you breaking down logic for people like myself who are not born mechanically inclined.

This is definitely my favorite automotive youtube channel. You know your stuff and you know how to explain it in simple, layman's terms. Excellent job all the way around.

Another awesome video. O2 sensors well explained. I loved the analogy of the O2 sensor being the angry mean unhappy guy doing the QC. The brake fluid trick to remove stuck O2 sensor is priceless.👌

@phyde1885

3 ай бұрын

Yes ! Little 'TRICKS" like the Brake Fluid are a Hard lesson that save you SO much Time and Angry energy wasted that come from an Experienced Mechanic ! I'm a Retired EE,and spent 7 years in the Army as an Generator Repairman 52 Delta. But OBD2 didn't exist then,and his method of teaching is VERY WELL Done !

Got to love your metaphors there to explain these for sure that's a good thing

Your video makes my day brother. Thank you for being what you are.

I love your presentations. I don't know of anyone else that play acts an AF sensor. Definitely make it memorable. Thank you!

Extremely well done CCN

I do enjoy experiencing your videos your a relatable soul to me

Omg dude you are the best explanation guy ever !!!! Thank you !!! ❤

Thank you Amd for the lesson & tips. Always informative 👍

I learn something new from every video you do. Appreciate your time and effort.

great tip on using brake fluid on the threads to free up a seized o2 sensor. worked like a charm!

Great content. If I may, I have a tip that has served me well for many years. Any time I get a vehicle that has North of 80k miles. I like to change the O2 sensors out for new and clean the MAF sensor. In a perfect world, if everything is running as it should and the driving habits of the previous owner were optimal, this likely wouldn't be necessary. What I find is after doing this the engine simply runs better and often regains some mileage that may have been lost. It can be a PITA to get the O2 sensors out but it's worth it.

Thanks your screen came back to full size so glad I got that figured out for you those sensors can be a little tricky

Greeted by the warm glow of the check engine light.

This is the best explanation you will find on KZread. He explains everything you need to understand and more.

What a good explanation. Thanks for sharing your knowledge. Don’t need to change my sensor yet, but won’t forget the brake fluid tip.🤛🏻

"...the warm glow of the check engine light" made me LOL, great video!

Wow! Another brilliant sharing you gave me. Thanks! ❤

Master tech for Lexus LS 460 glad I found ya !

Best video i've seen. Lol. The warm glow of the check engine light. Lol

I learned alot of things from your vedios,thanks

Amazing! It's wonderful to know there are still such great educators out there. Thanks!

I've watched a lot of your videos and I love how you are actually teaching people how to actually fix and do mechanical work on vehicles thank you and I look forward to seeing some more of your videos

Awesome. Gotta pickup a 22mm wrench now and some thread chaser. Loved the brake fluid tip

boy, what a treasure of info and advice ....also the "visualization", the "ECU Tango dance between MAF and AF" 🥰

i love this channel. I can’t be the only person without a Toyota here

Excellent explanation Ahmed. Bravo

Excellent, thank you! There's nothing better than listening to someone, that knows their shit so well that they are able to explain a somewhat complicated concept in terms that are so easy to understand that its actually enjoyable to listen to then talk about damn O2 sensors in a car!

Thank you, AMD. You've become an expert teacher for the Global DIY community. May the Lord bless you & keep you for much longer. South Africa

Really appreciate your time putting into making this video. Your explanation is easy to understand without going too deep to theory.

You're the best.My Toyota 1999 4Runner just had 02 sensor problem and you explained it very clear.Thanks and keep what you doing .God is with you...

I am Toyota Lube Tech here, starting to learn diagnosis and all. You are helping me a lot with basic knowledge i need to keep on learning more. thank you very much for your videos. I had watched a lot a lot of your videos, i just have to remember to thumb up. Will thumb up from now on. Thanks again!

Thanks A lot for your advice, i'm Ugandan, computer diagnostics as a first resort IS NOT really a thing here, we mostly listen to the sounds of everything to do with the engine mostly, i've literally tuned myself to telling the slightest change... but just by watching your videos for clear advice, i managed to slowly restore my 2azfe engine to perfection, not even a check engine light!! Yay! thanks A lot, coz our mechanics have a LOUSY relationship with the truth, its ALL about making you a frequent customer, the moment you enter the garage here, youre looked as a cash cow ready to be milked of $$$$$!!! God Bless you! Worked on it at home with help from a military mechanic (I think the Japanese made ones are actually differently built, this was a 2001 ipsum i was working on, most of the camry issues didnt apply) THANKS AGAIN!

Master teacher as well…thank you for pinpointing the difference between o2 and a/f sensors..

got to love this guy....knowledge is POWER..love to learn new stuff..Thanx Bro

Perfect time for me to see this. My A/F sensor on a 2001 Camry failed. The computer threw a blinking check engine light. I towed the car to my Toyota dealer for repair. Both sensors were replaced. After the repair the car ran okay when cold but misfired when hot. I delayed seeking service and tried not to drive with a hot engine. After a few days the misfires stopped. I assume that the computer just needed time to learn from the new sensors.

Could have fooled me on there being a difference between O2 and A/F ratio sensors. I’m truly grateful for your insight and can’t wait to learn more!

This man really know how to exllain all that mechanical mix ....thats the same dance happening between my MAF and 02 sensors right now ...in my case its the 02 that needs changing..

Thanks, dude. This cleared up so much for me. I got a P1133 on my 1999 Toyota Camry LE, and this video explained a lot. By the way, I will end this with the same thing you said, as I always use the same when I write. God bless and keep you and your whole household, brother!

Been a mechanic for 30 yrs totally get it brother

Thanks for the tip about using brake fluid on O2 sensor threads when it's stuck. And the difference between A/F & O2 sensors.

This is an excellent video! Thank you for your help!

You are an absolute gem to the Toyota community💚

Love this guy, one of the best tutorials I have seen yet.

I love the in depth explanation of this and how you personify the sensors & the ECM on how they communicate with each other. It gives us a clear picture on the operation of the engine. Thank you so much!

Great vid and down to the Earth explanation ! Thanks! Cheers from Russia!

I learned about these when diagnosing a P1133 code on an d ES300. I could see one sensor fluctuating around 0.660 volts from 0.645 to 0.685 and the other staying right at 0.660 volts. It took me 3 orders to get the right sensor, one from the dealership which turned out to be the oxygen sensor, one from Walmart which looked like a suspect counterfeit, and finally the correct one from advanced auto.

Don't own a toyota but your excellent channel is a great service.

The closed-loop feedback at 16:50 - 18:10 is nostalgic. Elevators switched from open-loop to closed-loop during 1980-2000. The increasing power with a heavy load (Ward-Leonard) was derived from gun turret control on WWI battleships. Like video says about the attempts to keep increasing or decreasing fuel when the sensor's broken, the expert elevator adjuster mustn't "over-compensate" the attempt to hold speed steady with all loads, must allow a heavy load to slow the elevator, or could end up over-speeding the elevator with a heavy load (making safety circuits slam it to an emergency stop) by making too much power increase (like constantly making fuel more lean or more rich). Closed-loop with feedback analog tachometer or digital tacho pulse generator can respond much better than the old open-loop which was pre-set by the expert elevator adjuster using resistor taps and relay timing. But closed-loop must also under-compensate so the cycling voltage in video at 18:03 doesn't start endlessly amplifying, wildly applying more power, less power, causing the elevator to jerk up & down so much that people in the cab can feel it. This is the same as inexperienced driver taking a sharp curve too wide then over-compensating and aiming for the ditch, over-compensating again and flying towards the oncoming traffic. Always under-compensate. I wrote a cheap little computer program in 1975 for this (Fairchild F8 chip) to hold an elevator faster on final creeping to the floor to reduce that final time and it was self-learning, on each trip adjusting itself for next trip like that computer with O2 Sensor at 16:50 - 18:10 but only adjusted by 70% of the needed adjustment to avoid wild swinging and stopping 2 inches past the floor so's people trip and fall on their face. Nostalgic.

An older video but I feel like I spent 1,000 for a college course and gained more knowledge about reading codes and sensors. I replaced one and wished it came out as easy as yours did. After I learned a good tap or two on the wrench may shock the sensor and help break it's rusted bond

I am from far away,,but how this man work and teach is very exc😂lent..Easy for me to understand.I learn many many thing .

Every Toyota owner needs to subscribe to this channel; its the only one you need !!!!

I love your explanation of the O2/AFR operation as a "tango". That's the most understandable and least "Dry" presentation that I've seen for it. Thanks!

Another great video as always... enjoy every minute of it and learn a bunch. Thank you!

This is so well explained! Thank you Ahmed!

Great video!& very informative! One thing I want to point out . I recommend using only OEM replacement parts .

Wow. What a great video. I learned so much from this. Having battled a "lean bank one" issue, this really cleared up how the sensors play into that code.

I totally put on the wrong upstream sensor a year ago. Between this video and the one from Denso, everything makes sense now. Thank you, friend!

I learned so much about O2 and A/F sensors from this video. Thanks!

Great explanations about the O2 sensors and possible troubleshooting that would cause them to throw a code.

AMD. Your videos are awsome. Here is an interesting one. 1 the car,mentioned, is not a toyota. Same type of system. 05 nissan w/ 2.5 L . Had a lean code. Changed A/F sensor. 2weeks later same code. Found small cracks on exhaust/catalyst manifold. I replaced. Same code. Scan tool readings all in spec. Up and downstream readings.I,finally, changed the downstream sensor per professional advice. No more codes or problems. 62 year tech and I'm still in the business.

@iamredrunt172

7 ай бұрын

I spelled it wrong. I'm a 62 year old tech. Been in the business starting in my teens. AMD. Great videos.🎉 I wish my,fellow, technicians would watch your videos. You have so much to offer.They think they know everything. Experience is the key. When it comes down to it, self taught is the only way,even,with the right information and schooling. And maybe advice from some old timers. I call it learning experience. We all have made mistakes and we all know we won't do that mistake again. Example. Wheel bearing with ABS trigger ring in the seal. New guy put bearing in a car, activated an ABS code. He put the bearing in backwards. He won't do that again. Learning experience.

That's a perfect explanation, and the analogy is really spot on, very easy to understand, thank you so much

Another excellent instructional video. Now, everyone starting out should see this, and remember the main part..... O2 getting stuck some brake fluid --- or your choice of solvent.. but this also works for any bolt stuck. Don't force it, spray ( apply ) and then turn it back in and wait. Heck even if it takes you 30 mins, you will never brake a bolt while removing it.

Excellent job AMD! You have a gift for teaching.

I haven't watched a bunch of your videos of this "Toyota Engine Controls" Playlist, but this one is well done 👏 I now have a basic knowledge of the O2 & AF sensors, "Bank" IDs and open/closed loop. I'm now going to go back and watch previous videos. Hehehe now I'll be a to follow and understand better Eric O's videos 😀

Your videos are a must for Toyota owners!

Yep, another informative video from a knowledgeable source. Thanks for sharing your knowledge with the world!

Excellent description. Sometimes nomenclatures get very confusing. You explained it very well! Thank You! 👍

Thank you AMD. Your tips are incredible. Please post videos more often.

Thanks. You cleared up my O2 sensor questions. I didn't realize the front and rear were different.

Adding a drop of brake fluid on the thread saved me, thanks for the tip.

I learned today and for that I thank you. I hope God blesses you in every aspect of like. If only your shop was close to me, I would take my Lexus to you and only you.

Wow...as an old school DIY mechanic...the Toyota dealership will be getting my money...except for oil and filter changes...now I feel better. My 2020 Camry...a very complex mechanical modern marvel. However...I have full trust in the reliability and quality of Toyotas. My former 2005 Camry...an engineering marvel...unbelievable!

Just found your page and instantly a fan. Good freakin content man!! Thank you. Us Toyota techs appreciate it

You are a very good teacher!!! You do such a great job.

This is excellent! Well done!

Ahmed it's me AL you did a great job buddy so proud of you

@TheCarCareNut

2 жыл бұрын

Hey Al! Hope you’re doing well my brother!

@alfonsoguzman2099

2 жыл бұрын

@@TheCarCareNut I'm doing good so glad to hear from you..keep up the good work.

@TheCarCareNut

2 жыл бұрын

Thanks man!

I must say I'm never disappointed with your info. Easy-to-follow. I'm sure you're making good money doing this but you are helping people that completely hate taking there stuff to the dealer. Thanks for all the help

This video is the best I ever seen in my life. Explained so simple.

Hi AMD! I own a '03 Camry and are a DIY guy. I have been watching some of your videos and they are excellent. Your way to explain things is very easy to follow and understand. Thank you and keep your great job. Many blessings!

I love the brake fluid trick. I have never heard about it in my 40 years of wrenching

This is the best explanation of the workings of the fuel trims that I’ve ever heard. It’s put in such a way that it completely takes the mystery out of these much overlooked components. Excellent video, thanks for sharing you knowledge and skill. I’m now subscribed.