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What Does a Mass Air Flow Sensor Do in a Car, Truck, SUV? 

1A Auto: Repair Tips & Secrets Only Mechanics Know
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What is a mass air flow sensor, you may be wondering, especially if you saw the term in a trouble code, or your engine isn't running its best. This video answers that question for you! Len describes what a mass air flow sensor does, how it does it and why it does it. He also addresses some of the concerns of a broken or dirty sensor, and what you can do about it!
If you liked this video, check out some of our other automotive general knowledge videos!
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

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27 июн 2024

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Комментарии : 402   
@1AAuto
@1AAuto 3 года назад
√ *Watch the Video* √ *Buy The Part at 1A Auto* 1aau.to/m/Visit-1AAuto √ *Do it Yourself* √ *Save Money*
@t.farris1755
@t.farris1755 3 года назад
Could this cause a car struggling to stay started on a cold start? I noticed after checking my MAS it was completely black in which i could not get rid of the Residue when spraying it. Once my car has started warming up the idle smooths out with no issues after through out driving the car. I have no check engine lights nor codes. I’m totally confused as to what the issue is. I also change the spark plugs.
@1AAuto
@1AAuto 3 года назад
+T. Farris We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
@lynnesaija
@lynnesaija 3 года назад
Just went to order a MAF Sensor for my 98 Mazda but you dont have any..
@zealgaming9123
@zealgaming9123 2 года назад
I don’t have a check engine light on but I recently checked my cabin air filter and it was really dirty with leaves and debris… the next thing it effects is the MAS correct?
@kennydelong9804
@kennydelong9804 2 года назад
Good Advice
@SB-cs2yv
@SB-cs2yv 2 года назад
If I had to take a class I'd definitely want you to be my instructor. You're information is so clear and understandable.
@cinnaberrry
@cinnaberrry 3 года назад
This man is amazing at explaining. The hand gestures, close up shots, and overall detailed information. Subscribed!
@traw245
@traw245 2 года назад
You are beautiful 😍😍
@chordarrow1
@chordarrow1 2 года назад
Can do without the animated hand gestures, way too distracting. Awesome explanation though
@jamesware1220
@jamesware1220 Год назад
He had. Me at "runnability"
@soniasias6226
@soniasias6226 3 года назад
You're so good at explaining.
@whttrails
@whttrails 3 года назад
Never even heard of MAF sensor. Very well explained and extremely helpful! Not my current issue but great job.
@brandonbell6171
@brandonbell6171 2 года назад
Come on
@biggiedickson
@biggiedickson Год назад
Nobody who just heard of a MAF calls it a MAF. Liar. :D
@renostubbs8504
@renostubbs8504 2 года назад
You guys should be at a million views, all 3 of you guys are experts , simply the best I have ever seen.
@1makeka
@1makeka 2 года назад
Awesome, I know NOTHING about cars but I'm learning so much from you, I love it. I will be doing the check-in on my car MAF and air filter. You make it all look so easy, I hope it will be as easy for me too. THANK YOU!!! You are lovely.
@deespasojevic3013
@deespasojevic3013 4 года назад
Lenn is great at explaining the components specified job. Nice job bro
@1AAuto
@1AAuto 4 года назад
+Dee Spasojevic Thanks for checking us out! 1AAuto.com
@Moe504.
@Moe504. 2 года назад
I know this is an old video but i had same problem with my Silverado my engine light was on and off mostly on thanks for sharing this information and you nailed it with explaining
@philliplake2666
@philliplake2666 2 года назад
Great presentation, detailed and clear, i learnt things i didn't know i needed to know. Brilliant.
@johnnyinostroza5807
@johnnyinostroza5807 2 года назад
Your very good at explaining, thanks for clearing up some things.
@domingodeanda233
@domingodeanda233 4 года назад
That was pretty damn good, well explained and understood, thanks.
@1AAuto
@1AAuto 4 года назад
We are glad to hear it Domingo!
@eddiesaucedo3010
@eddiesaucedo3010 3 года назад
Thank goodness for this guy explained it 💯, will look forward for his next videos
@dinhpham2746
@dinhpham2746 3 года назад
Len, thank you much for educational and clear presentation. I was be able to fix "check engine" light by cleaning MFA on my corrola from your video instruction.Thanks.
@azukapatrickebeh6557
@azukapatrickebeh6557 2 года назад
Your simplicity makes a great deal. My lexus es330 does Engine hesitation,and I can see where the fault is coming from.
@Redberryfarm888
@Redberryfarm888 Год назад
Sensor cleaner $13 or so Amazon... A new sensor for our truck $55- $145 at 1A Auto. ( The first large round type shown on the table) - Will start with the cleaner. Thanks for the thorough video. 1 A Auto is our go to place for parts for years.
@paulgreen9979
@paulgreen9979 Год назад
My van (UK) went into limp mode when the MAF went. Main xdealer was £120 per hr plus parts, Local commercial garage £60 per hr, but they used original part. For the warranty.. now runs like a dream.
@jamescaan2024
@jamescaan2024 Год назад
I learnt alot about the sensor etc etc You're explanations are spot on and very easy to follow. Thank you
@mobilecommunicationsnetwor5268
@mobilecommunicationsnetwor5268 4 года назад
Always enjoy your presentations. The ECU and details on how its works would be appreciated. Do they come from one or two manufacturers, then just programmed to the car company specs? What do you offer in terms of getting the live data out and examples of this. What do you think the 2020 and 2021 scanners models are going to evolve to?
@markarmstrong90
@markarmstrong90 3 года назад
Nice job, simply explained. Thanks
@MarkWilder68
@MarkWilder68 2 года назад
You guys are always there when I need you thank you
@mikecalloway2688
@mikecalloway2688 2 года назад
I would agree, this guy's the best. Loving the (your), energy! Great stuff.
@CarterLeigh
@CarterLeigh 3 года назад
this vid was one of the most informative, I'll be checking mine tomorrow & hopefully it's just a dirty MAF. thank you.
@1AAuto
@1AAuto 3 года назад
+TLC Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
@truth9678
@truth9678 2 года назад
Hey your a good teacher but if you want to be an excellent teacher do this simple thing slow down. You masterfully understand these different things of how a car works but your viewer is not a master talk to people as if they are children slow down how you explain things and you will be the best teacher you could be.
@alexneil9116
@alexneil9116 Год назад
The way you explain this is awesome.
@timothymagruder6080
@timothymagruder6080 3 года назад
I loved this guy , I've seen a lot of RU-vid videos but no one was as clear as this guy thanks !!!!
@Beobout6
@Beobout6 2 года назад
Check out Chris Fix channel he explains ALL with video.
@robertwilkinson8421
@robertwilkinson8421 Год назад
Outstanding Vid. The explanation of the Mass Air Sensor and how it works and what it does, helped me to better understand the Air Intake system and how it effects Gas Milage. The Visual Inspection under the Hood of the Air Intake and associated system Components was also good. looking for loose parts and Leaks, that is Good stuff. Well done, Keep up the Good work.
@user-bl1yp8mi9g
@user-bl1yp8mi9g 6 месяцев назад
This is the most informative and entertaining instruction I’ve seen so far! 💪🏼💪🏼💪🏼
@clintonschubert5091
@clintonschubert5091 3 года назад
Good job in explaining this part and how it works
@SIRPOREACTS
@SIRPOREACTS 3 года назад
Thank you. Love this presentation. Very helpful and educational.
@malcolmbest7063
@malcolmbest7063 2 года назад
Very direct and to-the-point appreciate it all
@QueBall5235
@QueBall5235 2 года назад
This guy is AMAZING simply AWESOME it's like he's driven my truck n know's feels n hears what my truck is doing HE'S MIND BLOWING THANK YOU TREMENDOUSLY SIR
@vincelawrence6909
@vincelawrence6909 3 года назад
You are a top notch teacher , good job.
@comadreja143ify
@comadreja143ify 2 года назад
Very good job explaining about sensors thanks!
@rawlewilkinson3866
@rawlewilkinson3866 Год назад
Excellent demonstration... thank you.
@MrAloha999
@MrAloha999 Год назад
Definitely love this video and how it's presented...clear and direct...very very informative
@1AAuto
@1AAuto Год назад
+Roland M Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
@artserrano7
@artserrano7 4 года назад
Very well explained video great information , thank you!
@1AAuto
@1AAuto 4 года назад
+Art Serrano Thank you! We love empowering our customers and showing how to perform DIY auto repairs with our high-quality auto parts. 1AAuto.com
@Dholiist
@Dholiist 3 года назад
Such a clear explanation ...wow ..he should get million views....
@daddyjer3044
@daddyjer3044 3 года назад
Great video clear as always
@K_Nunez
@K_Nunez 7 месяцев назад
I like it when the content creator know what they are talking about and give good advise to their viewers. 🍻
@anthonymansell6716
@anthonymansell6716 Год назад
Thanks just changed mine. Performance restored
@daveallen2455
@daveallen2455 2 года назад
Great instruction, Great video. Thank You !
@pattonmaning8781
@pattonmaning8781 2 года назад
U make all this sound so simple to me Thanks man.i know what's wrong now..im ordering parts now
@craigslist474
@craigslist474 Год назад
2 words. Ur gr8. Now I'm going to watch some more of your videos.
@muhammadtahirsiddiqui8347
@muhammadtahirsiddiqui8347 3 года назад
Nice explanation. I like your way of explanation.
@1AAuto
@1AAuto 3 года назад
+Muhammad Tahir Siddiqui Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
@nutlange6910
@nutlange6910 3 года назад
Great explanation thank you.
@theripper791
@theripper791 Год назад
Good presentation. Very informative and to the point.
@Tony-Rinaldo
@Tony-Rinaldo 3 года назад
Good videos on the vear-icles!!
@deemack3719
@deemack3719 2 года назад
Either he was a CHEERLEADER, TRAFFIC 🚦 CONTROLLER BACK IN THE DAY... HIS HANDS WERE ALL OVER & VERY DETAILED!! 👍👍
@caseyreginald6567
@caseyreginald6567 Год назад
He's the best. CAN U SO SOMETHING ON THERMO SENSORS
@TheThreeLeggedChair
@TheThreeLeggedChair 4 года назад
Well explained and helping. Thank you!
@1AAuto
@1AAuto 4 года назад
+TheThreeLeggedChair Thanks for checking us out! 1AAuto.com
@SirFrancoQ
@SirFrancoQ Год назад
Excellent tutorial! Thanks heaps mate!🧰⚙️🔧👍
@miku3959
@miku3959 3 года назад
this video was informative! great explanation, thank you!
@deborahmohler5270
@deborahmohler5270 2 года назад
Thanks. I’m Learning lots from you.
@karenrice9143
@karenrice9143 Год назад
Awesome video I was ready to go outside with my screw driver.. very detailed in explaining.. thank you
@tamemyniu4125
@tamemyniu4125 2 года назад
Great job 1000000000℅ how can someone dislike passing on knowledge 🤦 either jealous greed like or cheap mechanics who rip's you off..keep doing the good work champ👍
@1AAuto
@1AAuto 2 года назад
+Tamemy Niu Thanks for the feedback!
@juliateleghin1370
@juliateleghin1370 2 года назад
Thank you for sharing it! It is really useful!!
@gilbertchilambwe6546
@gilbertchilambwe6546 2 года назад
Very educative and understandable.thanks.
@johngoard8272
@johngoard8272 4 года назад
Well done video on a little known about component - thanks
@1AAuto
@1AAuto 4 года назад
+John Goard Thanks for checking us out! 1AAuto.com
@lamwaif8
@lamwaif8 2 года назад
Clear explanation. Well done.
@alexmanalo1318
@alexmanalo1318 2 года назад
Thank you for your time to teaching, and thank you for the video
@mfranck100
@mfranck100 2 года назад
You are absolutely amazing! Thank you for the great enthusiastic, upbeat, and thorough lesson. Was going to use vinegar in a spray bottle to clean the sensor. So happy I looked into this first. One question. Can't seem to find how to clean the fixed filter in a 2004 Lexus RX 330. Do I have to replace the whole filter housing? The inside is full of, what appears to be, nesting material. It is my mother's car and it only sat for 2 months, intact. We replaced all of the coil packs and spark plugs. Codes read 5th coil pack malfunction. When we were ready to replace the housing and new filter, we noticed the fixed filter on top. Then noticed the sensor definitely needed cleaning. And the inside is nasty.
@ndeyefatousylla
@ndeyefatousylla 4 года назад
Multimeter is more like it for DIY. Let's leave the $2000 one to professionals. Thank you for the informative video.
@1AAuto
@1AAuto 4 года назад
+Samb wague Thanks for checking us out! 1AAuto.com
@wenceslaoarias5441
@wenceslaoarias5441 3 года назад
Thank you for the videos you are the best hope you keep making videos explaining how to install parts thank you
@corneliusbrown3561
@corneliusbrown3561 2 года назад
Thanks you for giving me some information how to check mass air flow sensor
@rayneedaebluz
@rayneedaebluz 2 года назад
THANK YOU FOR THE FANTASTIC SHARE OF KNOWLEDGE ! I APPRECIATE YA!
@gaylordfreeman
@gaylordfreeman 2 года назад
Enjoy this RU-vid channel. I have a 2012 F-150 Lariat CrewCab 6.2L 4x4. When should I change the airflow, belts, hoses, shocks & struts?
@time2maked0hnutz54
@time2maked0hnutz54 3 года назад
The hand gestures are killin me😆but very encouraging like a cheerleader 🤣Great job Sir🙏🏽👊🏽🤙🏽
@bkspicknasty
@bkspicknasty 3 года назад
Awesome video & I really learned a lot Thanks bro
@1AAuto
@1AAuto 3 года назад
+bkspicknasty Thanks for checking us out! 1AAuto.com
@edmundbrosnan707
@edmundbrosnan707 3 года назад
tks!! it really is a good presentation and I learn additional knowledge about the subject.
@mahmoudalshawi2010
@mahmoudalshawi2010 4 года назад
Thanks for the information....I just clean my MAFS using your method...
@1AAuto
@1AAuto 4 года назад
+Mahmoud Al Shawi Thanks for checking us out! 1AAuto.com
@hightttech
@hightttech 3 года назад
If you used method in video, you completely missed 2/3 of the sensor elements 😆.
@robinhockett1191
@robinhockett1191 Год назад
Thank you . This would be my first time
@moeher84
@moeher84 Год назад
This is one great explaining thank you
@quarquorpon
@quarquorpon 3 года назад
Superb explanations. Good job bro.
@1AAuto
@1AAuto 3 года назад
+Quarqu Orpon Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
@JRJUNIOR215
@JRJUNIOR215 3 года назад
well explained thanks
@DillonG71
@DillonG71 2 года назад
Good info, thanks.
@abrahamvaro5482
@abrahamvaro5482 Год назад
Very nice video ,thanks!!!
@robleach7085
@robleach7085 3 года назад
Nice job!
@bearsrodshop7067
@bearsrodshop7067 2 года назад
Super, and well done,,, haven't bought many parts from you guys in 2021, but that's good since old folks are staying home more 😁 but best to all at 1-A1for the Holidays,, Bears Rod Shop, Tx
@darrylm3627
@darrylm3627 2 года назад
Good Stuff, Great Tips😃👍🏿
@keithroberts1515
@keithroberts1515 2 года назад
You're a good teacher
@jcmc8615
@jcmc8615 2 года назад
as an added bonus, you will see the check engine light iluminated, ha ha ...great vid. thanks.
@CalkoLouie
@CalkoLouie 6 месяцев назад
Excelent video 1A Auto I enjoy it.
@kumrhim1348
@kumrhim1348 3 года назад
Beautiful and thanks again
@4tarsus
@4tarsus 2 года назад
super, super video, thanks. Question: in addition to cleaning the sensor probe, should you also hit the male/female sides of the connector with same spray?
@AlanElias350
@AlanElias350 2 года назад
This is gold. Thanks.
@ramnamdeo2060
@ramnamdeo2060 9 месяцев назад
Great video! Thanks!
@issaalabdali2928
@issaalabdali2928 3 года назад
Great video thanks a lot.
@dannystrait9169
@dannystrait9169 2 года назад
Great information.
@Pharphette
@Pharphette 5 месяцев назад
Thank you. I just had to have my sensor replaced today and wanted to learn why (and what the heck it was lol!).
@marcuscox3246
@marcuscox3246 3 года назад
What is a Veericle? Lol Great vid
@noro305
@noro305 3 года назад
🤣🤣🤣🤣🤣🤣🤣
@wenceslaoarias5441
@wenceslaoarias5441 3 года назад
Love this videos thanks
@eugeneoghenechoja4828
@eugeneoghenechoja4828 3 года назад
Nice one Sire
@annamckesson120
@annamckesson120 Год назад
YA'll are super helpful for a widow that loves to work on my tahoe
@michaelsenters4894
@michaelsenters4894 3 года назад
Good job . God bless you
@RushHourRecords
@RushHourRecords Год назад
great video mate - thanks heaps
@kenz.1977
@kenz.1977 2 года назад
Thank you dear...u such expert ...very informative TPS information...thank you again
@CarlosGarcia-ew3yy
@CarlosGarcia-ew3yy 2 года назад
Thanks very informative
@fgomez583
@fgomez583 2 года назад
Good explanation
@sua_excelencia_official
@sua_excelencia_official Год назад
Very helpful video... Thanks mate 👌🏿😎
@1AAuto
@1AAuto Год назад
+Sua Excelência official Thanks for the feedback!
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