How to check maf sensor bad or good

[@ivegotdragonflies]

So the ecu monitors certain sensors, the MAF being the one he unplugged. This sensor, if it does not match the TPS for what the ecu wants to see for it to run efficiently it will go into a type of limp mode that ignores said MAF sensor, so when he unplugs it and it runs still rough it was already being ignored by the ecu due to problems. If it died, it means it was being monitored, and the fuel air mixture spike caused a stall out. I would not plug it back in while the engine was running. This could arch the ecu or the sensor, causing damage. You can spray clean the MAF when the sensor is cold to try and save it. Just remember to clear the code after cleaning to see if it duplicates, and if it does, it can be the sensor ( most likely ), the harness, the ecu ( least likely ).

[@awelsemense]

yeah brother all you say was correct I've done already checking the possible cause before I do that test.Thanks for your nice tips to all my commentors viewers very appreciated.

[@davidkuzmanov3488]

Because of stupidity , i did this think and I have 4 codes . After cleaning all codes 1 stays - p 0113 honda accord 17. Which it says , temp sensor - i think they are together , with Maf sensor . Did you know how to check , what can be a problem ? 😮😮😮

[@awelsemense]

@@davidkuzmanov3488 ok bro no worries try this remove your IAT sensor check if it’s working check with multimeter to read the function,check the harness connection,check your air filter housing if dirty and air filter replace if dirty or clean with air,then scan again to clear the fault code hope it will help ok.Thanks for sharing your problem.

[@davidkuzmanov3488]

@@awelsemense what I read is Maf sensor and AIT sensor are , same . Just different wiring . Did you know , what should i look for ?

[@awelsemense]

@@ivegotdragonflies yeah bro the ecu detect some problem if your tps or iat sensor was defective but one them you found where is the problem it will run good just do it first what the scanner says before you do anything.But remember not all cars stop when you unplug the TPS harness connection some other still running and TPS still good ok.Just check all the vacuum hosses around the intake or your intake gasket check also ok

[@alnuaemeaburawa7630]

You are absolutely right, I tried this with two different cars and it worked. The two cars was horrible without throwing any code!

[@awelsemense]

Thanks your nice comment bro

[@miguelordaz5884]

I changed the maf sensor now is worse, do you know why is that?​@awelsemense

[@awelsemense]

@@miguelordaz5884 why it's wors if you know that's your maf sensor is bad why you say worse.Nothing to worry about that even you change a new one

[@miguelordaz5884]

@awelsemense I just removed the new one and put it back the old one now is normal.

[@awelsemense]

Maybe you buy a wrong one or different from old one function.Or else the one was defective not all new is good there sometimes factory defects that's why ok so if your old one is good don't change return the new one to auto parts ok

[@falcorthewonderdog2758]

To diag a MAF all you need to do is monitor the MAF data stream on a scam tool. An engine will draw in a certain amount of air per engine size. To diag look at the data stream for the MAF sensor with the engine at idle. Data is read in grams per second. A 3.0 liter engine MAF sensor should report at least 3.0 grams per second at idle. If the reading is higher than 3.0 grams per second your MAF sensor is fine. If it's below the spec inspect your engines Intake system for leaks. Look at the air filter condition. Inspect for exhaust leaks ahead of the first O2 sensor. If all is well no leaks and the sensor still reads below 1 gram per second for each liter of engine size, remove the sensor and inspect for dirt or contamination on the hot wire in the sensor. Clean it with MAF sensor spray cleaner and retest. If the readings are still below normal recheck your previous work for vacuum and exhaust leaks and if all is well replaced the sensor What this video showed is the fact that your engine will not run with the sensor disconnected. It doesn't prove anything as far as the sensor's integrity or correct operation. I have fixed many many other techs comebacks after they replaced a MAF sensor but didn't verify engine integrity. Usually it's a vacuum leaks in the intake stream or an exhaust leak at the manifold doughnut gaskets. Retired after 40 years as a GM tech. It amazes me how many people don't bother to read or understand the proper diagnosis in auto repair.

[@awelsemense]

All you said bro it’s true but I’ve done already that all the test before I’m doing this last test by disconnecting the harness just to double check only ok.Thanks your nice experience

[@ndohndoh6567]

God bless you dear

[@Ibonic]

It won't always kill the car. Some vehicles will go into a sort of "fail safe" like a limp mode. Some vehicles, like my 08 Pontiac G6, will (with it unplugged) use the throttle position sensor and the true throttle position to assume the fuel air mixture. This is NOT a definitive test.

[@awelsemense]

Yeah not all car engine stop when you unplug defends the model of the car

[@Jml1064]

So wrong....

[@Greyo1]

I got the Pontiac g8 thanks got the heads up

[@Ibonic]

@@Jml1064 if you think that a car going into a default strategy is WRONG based off your argument which is essentially "nu-uh", then prove it wrong there and don't worry, I'll wait for you to troll forums for some "personal examples you have". Lol.

[@nikhilrajk6177]

Not all makers , have code for turning off your vehicle when Maf is disconnected. Some just fall back to fail safe defaults and engine keeps running and you can end up changing MAF which can be quite expensive.

[@tolkupois3895]

I bought the cheapest maf sensor online. It lasted 1 month. The engine would no longer run. I unplugged it and could drive it all day. Granted, it didnt run great, but with that bad sensor the engine would not run at all. Once disconnected it ran. Crude diagnostic, yet effective.

[@awelsemense]

Yeah all you have to do is to scan first before doing the last test ok thanks for sharing your experience

[@bossbokitv7070]

Does this damage my ecu or electronics stuff? i dont have a check engine im just having trouble with hesistant to accelerate i drivr civic 09 AT

[@awelsemense]

There are so many kind cause of problem what you gonna do to use scanner first so that you can identify the cause of hesitant to acceleration.But this testing it won't damage your ECU ok this is only double checking of maf sensor how it works when disconnecting ok.But try to clean your throttle body or check your fuel filter and fuel injector maybe one of them is bad

[@bossbokitv7070]

@@awelsemense tried cleajning my maf it runs jus a while but check engine shows, now check engine disapear now issue still persist

[@awelsemense]

@@bossbokitv7070 try to clean your fuel pump filter,or the pressure of fuel pump need to check,injectors,then sparkplug because the scanner can not detect fault for that parts maybe one of that was problem ok

[@chuckychuck]

Un-plugging your MAF sensor doesn't prove it failing only a big leak in your vacuum system would cause your vehicle to shut off, a small leak will cause this vehicle to keep running because other sensors and your PCM would compensate for the disconnected MAF sensor.

[@awelsemense]

You have point but that test just to prove and double checking only how does maf sensor work while disconnecting the connection.Because that car I've done plug in to OBD2 and Maf sensor was faulty.But thanks everyone to all of your lovely comment experience in your car.I try my best to responds all the comment

[@CruisinCaprice]

Try cleaning the maf before replacing it boys

[@Ibonic]

@@CruisinCaprice but with something designed FOR the MAF. I know you shouldn't have to say that... but you're gonna eventually get a guy who tries to clean it with a can of brakekleen or something 🤣

[@CruisinCaprice]

@@Ibonic my maf is 21 years old and still doesn’t need replacing 🤣

[@Ibonic]

@@CruisinCaprice not everyone has the same luck.

[@deeczdee]

I’m literally having the same issue atm, thanks for the video, i will buy a new one tomorrow 🙌

[@awelsemense]

OK thanks

[@kmk1195]

did it work?

[@akaashmsblr5707]

Did it work with a new one?

[@deeczdee]

@@akaashmsblr5707 Not for me.. Found out that the injectors were faulty

[@noellaraga5084]

Even if you clean the maf sensor it won't work? Or needs to be replace

[@onvlader]

Is this with any car? Have a hummer h3, want to make sure is the MAF sensor giving me trouble and not the MAP

[@kenyanboy7627]

that test doesn't work in all cars,mine is still running even after removing the socket

[@losheroes6076]

mine turned right off

[@awelsemense]

Yap it depends upon the model of your car specially car with electronic control with ecu most of them turn off if you disconnect.Thanks all the different nice comments and more experiences of your car

[@bigstrappa6155]

That means you need to replace it

[@awelsemense]

@@bigstrappa6155 yes

[@juanpablodominguez9406]

2011 Toyota Prius doesn’t work

[@jusmebre]

Thank you. You helped me😊

[@awelsemense]

No worries thanks too

[@noktvgh]

My 1997 mitsubishi eclipe spyder convertible can't start ....can this method help solve such problem?

[@awelsemense]

Possible.but there’s a lot of problem your car won’t start.try this check fuel pump,cam shaft sensor,cranks shaft sensor,check the timing ,ignition coil or high tension ok hope it helps

[@adamjefkaj4988]

Does it work on my VW Passat 1.9TDI 130hp 2005? I tried 3 different MAF sensors and all 3 when I unplug my car still runs?!

[@awelsemense]

Some car still engine run when you unplug and some car model it will stop when you unplug so don't worry.If you guest there is a problem of maf sensor just do the scan first before you replaced to make sure.Thanks your nice question

[@adamjefkaj4988]

@@awelsemense Thx, what rating is good for the MAF sensor if I have it read?

[@andrewwhite1665]

Will bad maf sensor cause cooling fan to come on also and stay on while car running? Mine wont shut off and i get hesitation when check engine comes on...plus check engine pops on when car starts 2 mins after and car isnt warmed up i even last week bought new coolant temp sensor

[@awelsemense]

Yeah if you have problems of Coolant temperature sensor is not working your radiator fan will be affected not automatically working and it can cause of overheat your engine during long drive.

[@Blad3.]

Broke my air flow meter connector and now my fan stays on on my nissan sentra 1997

[@awelsemense]

@@Blad3. That's normal if it's bad the lights showing on dash you replace first with new one and lights goes off if not use scanner to clear it

[@awelsemense]

@@Blad3. Just replace first what's the damage then all good

[@Jimboit2]

My 2017 GMC Acadia had this problem along with most dash lights staying on. My thermostat was the problem. Bigger problem was the $1100 to replace it. 7 hours labor as top of eng had to be removed to get to it in back of eng.

[@dranrebsales]

New followers sir.. good job...

[@awelsemense]

Thanks

[@stupidstuff3193]

I was wondering, can I bag Matthew for sensor cause your car to just randomly stop running

[@virgovirgo3608]

when I disconnect the sensor, the car continues to work, but the check engine and EPS lights up on the instrument panel... the car has weak dynamics and smells from the muffler... idle speed is fine, the oxygen sensor is new and original... could there be a problem with the MAP sensor?

[@awelsemense]

EPS that mean Electric power steering check the connection,check pcv valve,and cathalytic converter,check your oxygen sensor.Your Map sensor thats good try to check what saying maybe it helps ok

[@13thhourray38]

Can you clean the maf connector with the cleaner as well ?

[@awelsemense]

Yap I've done already before doing the test

[@13thhourray38]

@@awelsemense thank you

[@UnixTimes]

@@awelsemenseso cleaning the sensor fixed the problem?

[@awelsemense]

@@13thhourray38 Yes you can clean it

[@noradinadin122]

what is the cause of unplugging the stable engine and installing a high rpm engine up to number 3 nissan sentra b14

[@jaypeedetaza8257]

Did you fix your car? I have same problem

[@davidcoupalbergeron2]

Maybe you dont have the bluetooth sensor version with charging cable thats why 😆

[@horoyrichards3788]

Does not work for my car. Btw the engine should have stop twice after unplugging the connector. Your car shut of only sometime after unplugging. What I am sure work for all cars is that once you unplug the connector and start hearing your engine hesitate or stop, the Maf sensor is working for sure. To confirm if the sensor is working optimally though you should to a DTC scan.

[@awelsemense]

Does not work this for all cars defend the model of what car you have only showing this tips to confirm that maf sensor not working. Dtc already done maf sensor bad ok.Thanks your comment

[@BryanCabry]

I watched your video , after I swapped the MAF out the car still ran really rough. I even unplugged the new sensor and the car continued to run. Any idea ?

[@awelsemense]

Some car it's running even if you disconnect the harness connection so your Maf sensor still ok but if you feel there's problem try to scan OBD2 to check the fault ok

[@dathgutman]

This is not a bad idea. If your car continues to run then you can perform a more precise test with a multimeter to confirm.

[@sequoiahw.4371]

Does this also apply with a MAP sensor? My 05 civic doesn’t have a maf sensor?

[@awelsemense]

its applicable to your Honda civic 2005 there is Maf sensor also your car have a look under air filter if I'm not mistaken Maf sensor located under ok

[@julianarenibar7930]

I have the same car, when I unplug it stays on so I bought a oem one from my dealership and still stay on with hesitation doesn't turn off any reason why this is can it be another part?

[@awelsemense]

Try first run the vehicle and when the engine little bit hot when you come back unplug the maf sensor connectio if the engine stop it means your maf sensor working properly to ecu.Maybe the hesitation other cause ok

[@lynnwatts8153]

So I unplug the sensor and if my car is still running the sensor is bad. But if I unplug and the car turns off the sensor is good, is that right?

[@awelsemense]

absolutely yes

[@jays6795]

I heard some cars will still be one because of a fail safe mode

[@canadianlife31]

Can you just clean the maf and put it back again? Does it works

[@awelsemense]

yes you can

[@awelsemense]

You can use CRC cleaner for Maf sensor

[@Awora]

can a bad ecu damage a maf sensor?

[@awelsemense]

nope can not damage the maf sensor but all functions affected if the ECU has a problem

[@f.a3202]

I've put a new maf sensor and it doesn't shut down when i unplug it. Could there be a wiring problem

[@awelsemense]

Some car model it doesn't shutdown when you unplug it's better you scan with obd2 scanner first before you buy any parts

[@toddolson573]

​@@awelsemenseon my 01 Nissan Sentra the OBD 2 will not link up and this is a problem as the parts store is unable to also get it to link up. The cig lighter works as I was told this is part of the power circuit if it didn't work, then neither would the scanner.

[@awelsemense]

@@toddolson573 cigarettes lighter socket that’s different use your OBD 2 scanner to connect but if your scan did not link up maybe your OBD 2 not applicable because there are some OBD can’t read that’s why try other scan tools to accept link up ok

[@therookiefisherman5234]

What engines does this test apply to?

[@awelsemense]

This engine nissan sunny testing if Maf sensor was working or not working.

[@davidkuzmanov3488]

I check , my Honda 17 And now have code p0113 I think i fa.. the sensor . I clean the code , but when you turn the key to On , check engine flash and go away. Do you know , how to reset Maf sensor ??😢

[@hoodielow3826]

Does this cause damage? Or check engine light?

[@awelsemense]

It won't damage bro it's normal check engine showing on dash because you disconnect the connection just only to prove the your maf sensor working or not ok

[@epicvids8924]

​@@awelsemensehow do I get the check engine light off?

[@awelsemense]

@@epicvids8924 what engine light you want goes off

[@tylerj6327]

⁠@@epicvids8924are you fucking retarded? you get it off by fixing it and clearing the code you fucking moron. Take it too a mechanic your dumbass shouldn’t be touching anything on a car.

[@beasyphone]

THIS IS NOT TRUE ON MOST CARS/TRUCKS. ALWAYS REFER TO OBD/DLC CODES, #ASEMASTERTECH (-MOST cars will continue to run with Mass Air Flow UNPLUGGED) It does NOT mean bad maf AT ALL

[@awelsemense]

Yeah bro not all car is the same especially the older car it can,t but you can fill the abnormality when the engine running but most cars with ecm,ecu it will stop if you unplug

[@saisal123]

Shouldvthis test works with vw touareg 2016 ??

[@awelsemense]

Just try it if you guest there's a problem of your maf sensor if is working or not but remember not all car is working for this test depends

[@WellingtonChikwenya]

How to fix a corsa bakkie 1,4 when its using too much petrol pliz

[@awelsemense]

There are more causes why car high consumption of fuel try this bad fuel pump,clogged injectors,bad,oxygen sensor,bad spark plug,dirty air filter.try to check all those I mentioned. Thanks your questions

[@mrcupcakeman32]

i replaced mine with a new one and tried this and it didnt turn off...does that mean they gave me a bad MAF sensor

[@awelsemense]

Not all car capable for this test depends upon the model of your car some car still engine running when you disconnect.I think your new Maf was good just do first scan using OBD2 so that you will know what’s the problem before you change any parts ok thanks

[@8446jodie]

What if your vehicle keeps running until it you plug it back in then dies? Please help

[@awelsemense]

Same if dies when you plug in the cause is Maf sensor also to make sure do first scan with OBD2 so that you know some other problem ok

[@alagadnitherebryll_tvsalga139]

Hi its works in pajero 2017?

[@awelsemense]

yes ist all thesame

[@MyNameGoesHere___]

How is it possible a Bad sensor manages to keep the car on, But a Good sensor unplugged shuts it Off?

[@awelsemense]

Nice comment just to test it if your Maf sensor is defective when you unplug the harness connection if engine still running that means your maf sensor is not working properly need to replace

[@MyNameGoesHere___]

@@awelsemense I don’t understand how this is possible tho what makes this work

[@datgamingboi2914]

@@MyNameGoesHere___welcome to cars, its not about how it works its just knowing that it works

[@MyNameGoesHere___]

@@datgamingboi2914 Hahahaa that’s ridiculous ain’t it, I want to know why it is

[@MyNameGoesHere___]

Says the guy’s who don’t understand what’s actually happening within the cars. To really understand you gotta dig deeper to find why this is even possible then one can fully comprehend

[@wilsoncortes1562]

What is the year of this car

[@awelsemense]

That's 2004

[@oussaidelouazzani8407]

Can I test my MAP sensor in V6 engine with that way !?

[@awelsemense]

yes you can but make it sure before you do that scan first with scan tools your car If you guest bad maf sensor.Because this test doesn't work for all car model it depends

[@oussaidelouazzani8407]

Does a bad MAP can affect EGR valve ?

[@elfeedomiekhoo462]

mine nissan navara model 2022 still running if unplug the maf sensor

[@deven6518]

My engine runs without the maf, but poorly. Its in perfect condition btw. This is not a sure test

[@awelsemense]

It'd should be you fix with maf sensor specially your car have ECU need that

[@mozo_kozo]

Only for diesel vehicles or petrol as well. I removed my MAF sensor on my ford 2.2 but the engine is still running.

[@awelsemense]

Petrol engine

[@teem5642]

Same as mine, infact it started fine after. Points to it I guess being faulty. Worst part is no code is being thrown

[@awelsemense]

If depends upon the model of the car bro

[@csaASable]

Will it work on honda vezel ?

[@zoremsangaralte9780]

How the same sensor can be good or bad?

[@awelsemense]

The difference between good and bad sensor once you disconnect the connection if good sensor the engine stop then if it is bad sensor when you disconnect the connection harness still engine running.But it depends upon your car model

[@krtolebiohazardcs1.681]

My car have no power,but when I disconnect MAF sensor power is back. Is that telling me I have bad MAF ?

[@awelsemense]

Yeah maybe one that cause of lack of power to make it sure do the scan first using OBD2 before you replaced

[@krtolebiohazardcs1.681]

@@awelsemense OBD2 show nothing for now

[@Fordahord1]

Same on my motorbike

[@awelsemense]

One thing check your oxygen sensor clean it first then if bad replaced and you can check also if your catalitic converter was block or damage inside maybe.You can try run the engine by removing oxegyn sensor

[@BeatrizDelaVega-f2p]

Ganyan din ba ang pag troubleshoot ng MAF sensor sa diesel boss?

[@awelsemense]

Same lang po Yong function ng maf sensor dumaan sa ECU but need mo padin scan tools before ka mag palit para Sigurado ka na Yong ang sira but try mo muna linisan if hinala mo na Yong ang problem ok

[@Becker511]

Is normal gasoline engine and diesel engine same with this test ?

[@awelsemense]

Yes all thesame function of Maf sensor its connected to ecu

[@Becker511]

@@awelsemense thank you 🙏🏼

[@awelsemense]

@@Becker511 No worries

[@bobiana8069]

when i unplug my maf senor it actually runs better interesting

[@awelsemense]

Ohh really that's different

[@storminthewoods]

It prob bad

[@justarandomstranger279]

Sir papalitan ko sana yung maf sensor ng altis ko. Kaso wala ako mahanap na same na same nung number nya. Meron akong nakita same na same ng size at saka nung mga pins kaso nagkatalo lang sa model number. If 22204-22010 yung sakin yung nakita kong orig na part din is 2204-***** basta yung 2nd number na yung nag iba. Ok lang kaya yun? Gagana parin kaya?

[@awelsemense]

ok lang yon basta same yong terminal wire harness connection niya doon sa loma at yong housing niya nevermind sa number kasi importante yong function terminal connection sa ilalim is magkapariho para mabasa ng ECU.kasi pag hindi same yong terminal ma detect ng ECU faulty Maf sensor ok.Thanks

[@caddaraolr5764]

Brod, yong nissan march ko 2013 model, ganyan din problema. Di namamatay pag binunot ang maf. wla rin accelleration khit ano apak ng gas. recently, pag nag oovertake ako, parang kapos sa hatak. Bago na lahat ang ignition coil at sparkplug. Nalinis narin ang fuel injector at throttle body. Thanks

[@awelsemense]

Pa scan mo muna para sure kasi dami cause ng walang hatak lalo na pag sa mga sensor

[@awelsemense]

check morin yong air filter baka nag clog na atsaka yong fuel pump ng gasolina at fuel filter.minsan nasa ilalim ng gas tank yong fuel pump at fuel filter naka lubog sa tank check mo yan

[@caddaraolr5764]

Na scan na din at advice nya nga na ipalinis ang fuel injector..then, still after nalinis injector - ala same parin. Try ko na lang palitan muna maf at may 2nd hand akong nabili. Kainis nga brod, dina mabilang ng maekaniko at shop na nag diagnos, di mapin-point ang problema. Anyway, dito pla sa Malaysia to at alam ko ala yta nissan march/micra jan sa pinas.

[@awelsemense]

@@caddaraolr5764 Ano yan pre matic or manual

[@caddaraolr5764]

Manual brod..

[@harilovelynani1046]

My car unplugged but still running what's the problem

[@awelsemense]

Not all car when you unplug engine stop some car model still running that's good as long as you don't see any problem no worries about that.Then if you found any problem scan first using OBD2 before you change anything ok.

[@BeatrizDelaVega-f2p]

The same principle lang ba sa MAF sensor ng diesel?

[@awelsemense]

Yes it’s the same

[@richieromualdez8325]

Toyota true but Nissan goes to Limp mode

[@awelsemense]

Yeah bro

[@jeremyrainwater2175]

So it's good if it cuts off. But bad if it stays running after you unplug it and it runs ruff? Even on a Ford Ranger???

[@awelsemense]

Yes it will stop if you unplug most latest car

[@naradicsom4740]

Dont work all cars, wv family not stop engine, unplug and take service and not stop engine.

[@anime_world6844]

Does it work in every car?

[@bandidomods]

Good question but i see no answer 😢

[@awelsemense]

Maybe is not work some car depends the model

[@awelsemense]

Doesn't work in all car but most car wich is electronic control with ecu its work ok

[@Bigfellr]

It’s only the sensor how to actually fix the problem

[@awelsemense]

You fix the problem by replace a new one

[@barredojayr]

Good pm.po pag nag bago lang ang idle at di totally namatay ibig sbaihin ba e sira pa din. Ang maf sensor

[@barredojayr]

Montero 2012

[@awelsemense]

Hindi po lahat ng car model mag turn off Yong engine once disconnect mo Yong maf sensor harness may umandar padin kaso abnormal Yong idle ng tunog ng engine at lalabas Yong engine fault code sa dash

[@leoferdidiferleo3102]

Boss medyo naguluhan ako aling part po ba ang dapat palitan dyan yung muff sensor or yung merong wire na pinapasak mo Kasi sinubukan ko sa Nissan Almera ko ko Nung binunut ko yung nka Connect sa muff sensor umaandar pa rin engine ng car ko

[@awelsemense]

Yong maf sensor ang palitan

[@rodnemalasarte6989]

Very impormative bro keep it up

[@awelsemense]

Thanks

[@richardnunn1958]

That is not true to really know if the sensor is bad you need a scanner that can monitor voltage and air flow with long term and short term fuel usage do not use this test to test your MAF

[@awelsemense]

Scan already done before i do that test to make its sure it's bad Maf that's why I disconnect manually notthing wrong with that test if you hesitate the computer diagnostic. by the way thanks all your experiences in your own car

[@JonathanHanson-n1i]

Would a bad sensor cause black smoke on excelleration

[@awelsemense]

It's a good question yes of course can cause of black smoke during engine running it can cause of imbalance fuel and air mixture ratio injected to the combustion chamber,but most cause of block smoke different issues like air filter dirty,turbo,fuel injectors,fuel pump faulty.If I have time I will responds all your problem experience in your car or trucks just leave your comment.God bless

[@tylerj6327]

that would most likely be burning oil from bad valve seals or piston rings

[@Raee-t2g]

Or your map sensor is out

[@marshalrose5280]

sir same lang din po ba ang gagawin sa ibang mga sensor tulad ng tps sensor.

[@awelsemense]

Iba po siya scan mulang siya sa computer para malaman mo ano faults

[@marshalrose5280]

@@awelsemense sira po kasi sir yung port ng obd ng aking sasakyan ngayon ang ginawa ko binunot ko yung tps socket tapos wala siyang reaction sir.

[@FR4087]

What if you buy the maf sensor and it still stays running after unplugging it? 🧐

[@awelsemense]

First check the wiring connection of your maf sensor going to ECU if there is no problem and the other wire going to IAT or intake aiflow temperature

[@VidiSLTU]

My car stop working when i put back plug

[@awelsemense]

Just check all air vacuum line even intake manifold gasket can cause of air leak.

[@beenusdiary4770]

my car doesnt start on cold starts. i detached iacv and it started but rpms went all the way high but when i screwed iacv back. same thing happened, car didnt start

[@awelsemense]

My advice is just do the scan first so that you will know what is the problem because there are many cause of problems that cars it won,t start. specially petrol engine.Hope it helps thanks for Sharing.

[@kodiv8226]

Thanks

[@awelsemense]

No worries

[@jessy3g]

Question is what was the issue exactly because we see in the first impression, the engine continues to run. The MAF connector is the same as the second video where the engine stalls.

[@awelsemense]

The first Maf sensor was faulty that's why when you unplug it won't stop the engine still running after I replaced it with new one it work properly when you unplug the engine suddenly stop its mean its working already the maf sensor

[@jessy3g]

@@awelsemense I get it. The harness is the same but the MAF is inside the harness only connects to it. I get it

[@awelsemense]

yea that's new maf sensor because it's short video only that's why I forgot to include during the replacement.Thanks

[@awelsemense]

@@jessy3g Have a look I uploaded the full video of replacement that maf sensor.Thanks your comment

[@noellaraga5084]

Kahit po ba linisan yun maf sensor?

[@awelsemense]

Try muna linisan tapos check unit if ok huwag na palitan

[@korey420]

My car does the opposite.. even with a new OEM MAF sensor, the car dies and wont start with it plugged in.. but runs (like shit cause i have a bigger turbo and tune) without it plugged... Its not the maf and i dont know wtf it could be.. 2.0 tsi e888 gen 1 cbfa (beetle turbo)

[@awelsemense]

OK do this first cleaned your oxygen sensor or replaced genuine oxygen sensor parts,clean your throttle body,check the wiring of Maf sensor if it is good or bad,check all the hoses vacuum lines if there's no damage and air leak.Hop it will help to solve the problem of your car.

[@korey420]

@awelsemense no codes related to o2 sensor.. These are the codes pulled while maf is unplugged Of course the maf code Auxiliary coolant pump relay Fuel pressure regulatory valve ( open circuit/ short to ground) Supply relay for engine components ( electrical error in circuits) Secondary air injection pump relay ( short to ground) And cooling fan 1 control circuit I'm doing injectors (because I rushed and bought them thinking that was the problem but doubt it now) and carbon cleaning this weekend/ today... My wife has the same car as me.. 2012 beetle turbo 2.0tsi e888 Gen 1 cbfa... hers is still stock, mine is fbo ko4 turbo and uni tuned. I'm going to start with switching relays ... (better than buying them and waste money if I don't need them) I've already spent $370 for a oem maf and 400$ for injectors, seals,and intake manifold gasket... I'm going to try to find the problem b4 I do my injectors and carbon cleaning.. if it not a relay then next will be my upstream o2 (downstream is tuned out because 200cell catted dp) After that, I'll check my fuel pumps lpfp and hpfp.. And if that's not the problem, I give up🤷‍♂️🤣

[@korey420]

@awelsemense what's crazy is I drove the car fine.. I even raced a 5.7 charger ( put busses on him) on the way to my chiropractor apartment... Backed into my parking space idled for about a minute (help cool the turbo off) then shut it off Come out 30 minutes later.. start the car and it dies... no signs or symptoms of anything...

[@awelsemense]

@@korey420 Have you scan OBD2 if there's some faults code found?

[@korey420]

@awelsemense yes..I have a obd11 pro

[@juanpablodominguez9406]

You lie that test doesn’t work all car because in my 2008 Nissan Frontier the sensor is good

[@awelsemense]

yeah brother is not work for all car model depends.But before you do this test you have to scan first your car with scan tool if the Maf sensor is bad.Because me my car before I'm doing this test I've done scan then computer showing faulty MAF sensor that's the time I double check disconnecting the connection

[@juanpablodominguez9406]

@@awelsemense ok

[@serhatyilmaz5984]

Doesnt work with diesel. Only petrol Engine.

[@Ricardo-g2i]

I wish I could understand what he is saying.

[@keithpearson7059]

English if in North America !

[@carloscabrera8509]

Boss pwde ba sa lahat ng sskyan yan sa ford escape b boss pwde rin sya itry khit nka on ung mkina? Salamat boss

[@awelsemense]

Hindi lahat ng sasakyan boss gagana yan dipindi po sa sasakyan atsaka ecu connection niya.may iba na bunotin mo nanginginig lang siya but hindi siya mamatay yong engine at lalabas check engine sa dashboard.

[@awelsemense]

Kaya if sasakyan mo walang fault sa dashboard ok lang yan kahit binunut mo at hindi namatay yong engine ok yan importante pa scan if may light on dash

[@awelsemense]

Pwedi mo siyang try bunotin nakaandar yong engine if ma off ba yong engine but may check engine yan lalabas sa dashboard mo which is normal kung bunotin mo para ma testing.Then pagbalik mo sa connection naka stay yong check engine while umandar na reset mo naman tanggalin mo negative connection sa battery mga 5 minutes then connect mo ulit para mawala yong check engine sa dashboard thanks sa mga comment.

[@carloscabrera8509]

@@awelsemense salamat boss God bless

[@RobertoEfondo]

Sir maf sensor ba ung nasa malapit sa Air cleaner ksi un daw ang sira sa adventure gasoline engine ko

[@awelsemense]

yes po naka connect yan lagi sa may air filter housing

[@mrgrind210]

Could bad sensor cause throttle actuator control code ? I replaced throttle body atill got the code on my 2019 mitsubishi mirage

[@awelsemense]

Yes of course if you replaced the throttle bode you have to relearn manually or in computer to clear the code

[@Anak_ni_Sedo]

Sakin boss. Naka bonot na umandar parin . At e kabit ko nag bago2x ang andar...

[@awelsemense]

Anong sasakyan yan may ecu ba siya try mo muna scan para sure ka na yan ang sira ok

[@bilmarsantos1842]

Mazda 323 1996 model Meron ECU pag binunot ko maf sensor ayaw mamatay

[@awelsemense]

@@bilmarsantos1842 Sa Mazda hindi siya mamatay mag iba lang yong tunog but if hinala mo defective siya pa scan mo muna sa computer.Basta hindi lahat ng sasakyan ma turn off siya pag binunot mo yong connection dependi sa model.Kasi yang test na yan bago ko ginawa na scan kuna siya na faulty yong Maf sensor kaya ko siya try e manual na bunotin ok po but pwedi munaman siyang linisan CRC cleaner gamitin mo

[@jojobesmonte3434]

Sir bat yung sa adventure pag hindi binunot palyado pero pag binunot muna tumiyino ang minor

[@awelsemense]

Check muna sa scanner boss baka problima yong mga connection niya papuntang ecu at saka doon sa IATS intake air temperature sensor

[@funnyschannellover4696]

very informative thanks for sharing

[@cwest394]

Not always true. But most of the time.

[@andrewggx]

Mm

[@andrewggx]

Mm

[@RIOMAEGGOMEZ]

Honda po BA Yan?

[@awelsemense]

Nissan po

[@kelthuzad1489]

mag run parin yan kasi kukuha ng data sa ibang sensors yan, mine is toyota wigo nag check engine base sa scanner maf sensor... pinalitan ko nakalimutan ko pa nga ibalik ung connector naalala ko after 10sec hahah naandar parin

[@mfcdr2024]

boss anong code sa scanner lumabas sayo? saken kasi C1122- engine speed signal fault"...ang taas rpm saken..tapos walang hatak kahit naka off ac...sa paahon namamatay naman...sa patag gapa ng talaga..baka matulungan moko boss...

[@eduardoguillen4853]

Question is that a Nissan Sentra 1993?

[@awelsemense]

It's a nissan sunny

[@arkinhernandez3749]

pwede ba to na test sa Nissan Sentra/Sylphy 2015?

[@awelsemense]

Yes pwedi try mo

[@arkinhernandez3749]

@@awelsemense tried it already, then engine slows down a bit after disconnection, but will return stable after a few seconds... "check engine" continues to appear until now.. the car runs ok on the road though..

[@awelsemense]

It'd normal that engine showing on dash once you disconnect the harness connection to eliminate the light on dash disconnect the negative battery terminal maybe 10 minutes then light on dash disappear.if not insert scanner and delete the light.Your Maf sensor that's still ok.Kasi di lahat ng sasakayan ma off siiya once you disconnect ok

[@mototv2461]

boss..vios 2020 model..pagbinunot hindi nman namatay.. tapos sinaksak ko ulit pinainit ko makina pag bunot ko ulit namatay na sya. pero lowpower kc sya..

[@mototv2461]

anu kaya posible sira boss..

[@awelsemense]

Ah ok gumagana yan maf sensor mo ok yan check mo muna mga filter niyan baka barado lang fuel filter air filter,tapos tune up mo muna but first maganda ma scan siya sa computer kasi may fault minsan kahit walang light nga naka ilaw sa dashboard mo.basta mga sasakyan na may mga ecu if mga sensor yong problim mag ka complicate lahat kay scan mo muna ok

[@rogeliosoncayaon9156]

Sir ganyan po ba ang itinuro sa inyo ng training school at service center

[@awelsemense]

Double check lang yan brother kung papaano gumagana yong maf sensor yong defective at saka hindi defective bakit mo natanong

[@bhubhoyski9288]

idol pwede ba gawin yan sa nissan maxima2003

[@awelsemense]

Pwedi patakbuhin mo muna sasakya mo tapos pagbalik saka mo bunutin na naka andar but minsan lalabas yong check engine sa dashboard.

[@Mogonly]

My car turned off, but scanner showing maf sensor code, what does this mean?

[@melvinochoa5915]

Did you figure it out ?? My car has the same code and problem

[@Mogonly]

@@melvinochoa5915 it means your cat is bad and it’s sending bad hair to the maf, you need new catalytic converters

[@awelsemense]

Just clear the fault code first then running the engine test drive your car.After scan again if the fault code still there that’s the time you need replace or else clean first with CRC cleaner and put back in do same procedure so that if your problem solve no need to buy a new one ok

[@awelsemense]

I’m just replacing my maf sensor as well because scanner say maf sensor it’s faulty then I’ve done cleaning first scan again but same fault code that’s why I’ve decide to replace it then all good

[@liaangela-leilapescueso1941]

May mga car na kapag binunot mo yan ng naka andar. Ma apektuhan ang ecu or damage

[@awelsemense]

Before niyo bunotin na alam mo na defective scan napo yan sa computer na yon ang problema yong pagbunot just only to prove that maf sensor is defective po but not applicable sa lahat ng car at hindi masira yong ecu magkakaroon lang siya minsan ng Light On dash while binunut mo kasi naka comman po yon sa ecu.Thanks po sa mga nice comment

[@TIIRONC5H]

I do this my golf 4 tdi nthg happens

[@awelsemense]

Not all car capable for this test depends upon the car model some shot off some it won,t still running the engine but engine sound change

[@kickerejera14]

depende po yata sa model ng car yaan.ung amin mazda 6 2007 sira ang map sensor pina OBD ko.nagpalit ako ng new taz binunut ko gaya nyan ginagawa nyo hindi naman sya namamatay.

[@awelsemense]

Yeah it depends the model of the car

[@jennonovela1429]

good evening sir applicable po ba yan sa lahat ng sskyan Sir?

[@awelsemense]

Hindi po siya applicable lahat meron ding hindi siya mag turn off once disconnect depend po yan sa model at ilang wire na na connect sa maf sensor to ECU

[@danielmjerumani254]

That is bad air flow sensor

[@edgardogutierrez2982]

Pwede ba gamitin ang sasakyan kahit hindi nakasaksak sa Maf sensor?

[@awelsemense]

unsafe siya gamitin bro kasi baka maapektohan ibang component lalo na pag yong sasakyan mo naka ECU Siya kaya mas mabuti palitan mo muna at saka lalabas fault code sa dash once dimo ikabit

[@nathanielbinsol2089]

Sir ung sakin tinry ko bunutin prang.mas tumaas pa ung idle nya bago linis naman po lancer pizza glxi po

[@awelsemense]

Try mo muna patakbohin pag uminit na yong engine saka mo bunotin once di mamatay palitan muna yan.but if may scanner ka try mo muna scan baka yong harness connection yong problima papuntang ECU OK

[@mylon5227]

That dont work on my a3

[@awelsemense]

yeah some cars isn't work for this

[@byahengkamote338]

boss vios ko 2019 model..pag binunot ko mafsensor hindi nman sya mamatay boss tuloy tuloy parin ang andar nya boss.. sira na ba yon

[@awelsemense]

Hind lahat ng sasakyan pag binunot mo yong maf sensor mamatay yong engine depindi po sa model may sasakyan na aandar padin mag iba lang Yong tunog at lalabas yong engine light sa dashboard kaya scan muna sa OBD2 para sure ka na sira ba or hindi