Fake parts causing faultcodes 

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Can you imagine my blobers as an,74 years old, original German language fellow. Dan you are doing great.

Love the bloopers. I think we've all been there at one time or another, so don't feel you're alone. Thanks for sharing the methodologies you use to diagnose and correct problems.

hi Dan! i love this channel! thanks to you, Paul, Eric O, Ivan and Matt, i actually decided to be a diagnostician, i'm 38 years old, and started about 1 year ago. It's never late to start over..... I open my own shop about 3 months, i'm doing ok so far, to start from scratch it's hard! especially because i'm self thaught, never went to automotive training before, but i have great teachers on youtube like you who gave me courage to move on !!! It's so difficult where i live, in a very small town north of Argentina, but i will honor all the knowledge you and your colleagues share, by gettin the fight to the end on a diagnosis!!! My sincere aprecciation to you and true authentic diagnosis! With Love, Lautaro.

I remember you having a genuine Bosch sensor once which was wrongly wired. So it does not have to be fake to be faulty.

Dan you are the best! I appreciate your lessons. I want to be diagnostician like you.

This was a great video about fake parts. People don’t realize how many knock off parts inundate the market. The parts even look legit!!

Thanks Dan for sharing with us the faults and the way to fix them

One of my favorite Automotive Diagnostic Technicians. Thank you DiagnoseDan

I'd love to see a video about alternator diagnostic. Hook up the oscilloscope and be able to tell if the full bridge rectifier or the capacitor need replacing

Awesome video Dan, thank you! It is so nice to have people sharing their experience like you.

As always, the DD vid was top priority. I like the way u probe the connectors with the proper size front probe. U must have a bunch u made up, or a set. Thank u for the learning we receive!!

Man, your videos are literaly pure gold, thanks!

Thanks Dan, beautifully explained as ever.

Dan is the man! Dan, you’ve inspired me to buy my own MBII scan tool and I managed to successfully diagnose and fix my W203 SRS and airbag light issues, and also my W169 transmission issue. Thank you Dan! I’m learning so much from watching your channel.

Another superb real world diagnosis. I always learn something. Thanks

Once again such an interesting and methodical way of diagnosing. Presented in a fantastic way, I can do mechanical work but the diagnostics always were a bit too much for my simple brain. You speak and show in a way thats not only easy to understand but enjoyable too. Brilliant work!

Enjoyed every minute of your show.keep up The magic.

Well done Dan , your quality videos are a great resource to many of us . Thank you so much for taking the time to explain your diagnostic approach.

Thanks, Dan. Amazing!

DiagnoseDan always the best ! I really like watching your videos where you explain How to fix.

Great job as always إنت معلم 😎

Love watching DD.. Hes the man!!

Thanks to you Dan I'm getting more involved in diagnostics at work. I've still a long way to go. But I love it. Looking forward to the next video!

Thanks Dan for an extended video on 2 cars, they were really interesting as usual.

Another awesome diagnostic and fix done the right way.👍👍👍

You do fantastic work Dan. Well explained and always interesting.

Dan, sure glad I discovered you...GREAT video's!!

Thanks Dan, such a good explanation of the system

Bless you Mr.Dan 🙏.. u r the hero of all time

I love the way he tries to explain, and it's not easy, working on a car is one part but explaining the problem and making the video is another, the way he does the video I really appreciate it. Thank you Dan.

I enjoy your videos Dan. Nice to see you posting again 👍👍👍

Well I understand a lot more once you have explained it to me in simple to understand language, thank you once again Dan for getting me to like the motorcars of the modern-day era.

Dan, as ever a great video and really educational to watch how you do your work 👍. What amazes me most is all that expensive air suspension control stuff being so vulnerably placed under the bumper and wing. No wonder minor crash impacts cost so much to fix. Already looking forward to the next video

Superb work once again! Wish there were more frequent videos, as they are very educational.

What a legend i enjoy watching your videos allot , how can some one improve him self to actually be able to diagnose problems like this amazing skill .

Very good diag and repair on both vehicles.

Great fixes Dan. Thanks for sharing. I learned in the past to use only OEM sensors on my BMWs. Dutch regards, Nico

Great job Dan, as always ! BTW I love the bloopers at the end.

Great diags as always Dan! Thanks for the 2 'fer! I use OEM on most critical parts. It isn't worth wasting time on knock off parts.

This is a great video on Air Suspension. Thank you DiagnoseDan

Great Job, I love your thought process.

Another excellent diagnosis Dan! (Enjoyed the bloopers as well 😂)

I am amazed you keep your screwdivers so clean.

As I presumed, fantastic work on both diagnostic jobs here. 👌🏼 Already looking forward to the next. 👍🏼

Thanks for this video Dan... especially that last hilarious bit ! ... you're a good sport ..

Another awesome fix Dan! Great info!

Good tutorial !! thank you Dan👍🙏🙏🙏

Hi Chris here from UK. Great show Dan as always. Very informative !!!

Really enjoy your videos, thanks for the great work, Steve from Australia.

great video again Dan I know you cannot always expect your scantool to be flawless in all circumstances but that failing actuation of the airsuspension was very disappointing, especially when you look at how much that Topdon device costs. We do not all have a whole range of different scantools that we can use. So i am glad that you also show your negative experiences with those tools so we can make a better choice

Hahahaha, I love the out takes! Gets me every time. On the flip side. I'm super appreciative of your dedication to making these videos. No matter how many takes it takes, haha.

Awesome video Dan, thanks for posting!

Good work.The right tool, the right diagnosis. that's it.👍

That was an excellent example of counterfeit parts and the symptoms they can produce. The saying applies "just because its new doesn't mean it works correctly" ! This is the stuff that can burn an entire weekend chasing those trim numbers . Thanks for the great presentation

Video and bloopers are great 👍🏼😄

I've watched this episode of DiagnoseDan twice! I knew I'd seen it before, but let it run and continued watching, it is so very well done. In fact it is masterful. Really love it. Thanks Mr DiagnoseDan. Edit: I don't mean this episode in particular, I mean everything he does, all of 'em.

Always entertaining and enlightening...! Thank you for another mechanical life lesson. I hope folks appreciate all of your wisdom. This video was especially timely as many people have been getting taken advantage of, by online scams. Your sense of humour is always so refreshing. Thanks again for all you do to keep us informed and up to date with the ever more complex world of the modern automobile.....!

Well done again dan bloody love your videos what a treat keep them coming mate.

Love the bloopers "clicky", so knowledgeable

Diagnosis Dan does it again! Thank You 😀

man, you are very professional! congrats!!!

Dan,I really enjoy your video I watch 2 times or more because too much information and technics is showing to us. I really appreciate your knowledge.

Another Great Video Dan I have to tell you this I am very HAPPY to see you are using my Load Test Bulb 💡 I send you very happy to provide a very little tool as a THANKS FOR ALL THE KNOWLEDGE YOU SHARE TO US… 👋🏻 from Waco Texas…

I had many Audis not go up with a bad Compressor, but none that did not want to go down anymore :-) Good Video !

Always look forward to watching your videos Dan. Stay Safe. Brisbane Australia.

Your videos are very interesting. I have been watching RU-vid since 15 years and yours is the first and only channel I have subscribed to. Your explanation power is excellent.

Every time I see DD it makes my week

Great way to approach that air suspension issue! 1 bite size step at a time made a complex system seem simple! I’d happily mimic your process Dan! Thank you!

Great video as always. That's a serious dent on that front wheel!

Thanks for the ride . Well done .

Amazon and Ebay in the US, great place to get fake parts 🤣

Great video, I've experienced many customers buying fake DENSO mass air sensors and ignition coils, they are always sucked in by very low costs, thank u love all your videos from New York city, u are one of the best troubleshooter I experienced on youtube

Another Great Video Dan !!

That is the biggest problem that customers dont understand. when they choose their own parts they always choose the best price where technicians choose the best quality parts. Nice video!

This is such a great channel. Learn so much from your videos.

Excelente lección como siempre. Saludos 👍👍👍

Great vid as always. About 10 years years ago i bought a maf for my 1.8t Golf using the Bosch part number online. Fitted replacement and car ran even rougher... cleaned the original Bosch one, it solved the problem and is still on the car today at 150k miles 😁 still have the "fake one' in a parts box somewhere 😂

amazing find dan! always love the bloopers aswell :D

Hey DD This is David from Iran Im one of your fan. Your videos has taught me a lot. Thank you so much

Thank you Sir! Nice diag!

Great video Dan! Love the bloopers at the end.👍😃

Very good work again!. in BMW world lot of problems with aftermarket MAF sensors, thats why i always say use only genuine MAF if you want to replace it.

Good jobs as always. 👍

Amazing as always danny many thanks for sharing these great cases 👋😎👋😎

cracking video.. very informative

Watched this become more and more common over the decades. Even OEM parts aren't as good a lot of times because they sub out parts manufacture. You really gotta research or gamble... Homers and pros alike, always smoke test lean codes and KNOW grams/liter/rpm... will save time and $, imo. Good vidy, keep teaching, best way to learn ; )

Hello Dan, Great video as always, Thanks.

Nice job and great explanation Dan

Great job as always!

Very good job 👍 I have experienced many faulty electronic sensors on automotive products although it were made by a respective manufacturer

Super! Love watching your videos. Thks.

Thanks for your help 😃

Great video, Danny!

Awesome stuff, Dan! The fake MAF sensor looks like it is measuring exactly half of what it should be.

Nice information sir

good morning friend and colleague. I have been following you for quite some time and I really admire your excellent knowledge on diagnosis. I am George from Corinth, Greece, I am also an engineer, but an old one. We engineers of this generation are NOT that good with diagnoses. admiring so your knowledge, I take the courage to ask for any valuable help from you. has my son one Suzuki swift 2015 model with engine k12b. for about a month now he has been showing his signs esp.this only happens in the morning when he goes to work and when he stops for coffee at about 700 meters, when he starts again it does NOT come on anymore and will NOT come on all day long.in a diagnosis I made at the local dealership, we saw that there are NO errors recorded.they told me not to worry and that it is absolutely nothing in discussion with the chief engineer there, he advised me to change the battery. the old one was almost four years old.I replaced it with a new one Bosch .the problem unfortunately continues. its warning light esp it only comes on in the morning and as soon as you turn it off and start the engine it DOESN'T come on anymore. i know I tired you, but I tried to describe the whole problem to you in detail. There is nothing in the recorded faults, or the diagnosis, I repeat, was made in Suzuki of Corinth. I greet you, I admire you and I hope you are always well. It's a shame that such a distance separates us. Thank you for any help you can offer me. George Korinthos

wow. Good work again. 💪

I always enjoy your videos! 👍

Superb, Thanks for sharing Dan😍 DiagnoseDan Fixed it Again👍 Always a new experience of learning about problems that are not common, & the proper way to diagnose them👍 Stay Safe Bro👍