How To Test Your MAF (Mass Air Flow Sensor) & HOW to Find A Vacuum Leak

Test Your Mass Air Flow Sensor, also we share how to find A Vacuum Leak. See where we found our leak, it will surprise you!

We Guarantee you will love it.

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*****Disclaimer*****
Due to factors beyond the control of SWEET PROJECT CARS, we cannot guarantee against the improper use or unauthorized modifications of this information. Make sure you check with your manufacturer to make sure this will not affect your factory warranty. SWEET PROJECT CARS assumes no liability for property damage or injury incurred as a result of any of the information contained in these videos. Use this information at your own risk. SWEET PROJECT CARS recommends safe practices when working with tools seen or implied in our video and written content. Due to factors beyond the control of SWEET PROJECT CARS, no information contained on this YouTube channel shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this content is the sole responsibility of the user and not SWEET PROJECT CARS.

[trustmebro]

You’re a badass, Thanks for the video it was really helpful diagnosing my Ford fiesta can’t thank you enough.

I wish I had a dad like you!

[SweetProjectCars]

Hello my good friends, This video will hopefully help you test your MAF Sensor and how to help you locate a vacuum leak. We found that with a little time you can save yourself a boatload of money doing this work by yourself. Have a great day :)

[Ottonic]

When I replace something like my injectors I try to go OEM which will run way over $100.00 for all 4, so knowing the injectors themselves were good, what I did was get a kit with all the seals, o-rings and on mine, new screens. Worked like a charm for under $50.00. A lot of times especially when someone has messed with them before they don;t take special care when installing them and pinch the seal (like on yours) which will end up with a fail. Another great video... Always a big THANK YOU!

[auntbarbara]

My sir you are truly a good mechanic. You went straight to the problem with common sense and no drama. You saved the owner of this '07-ish Yaris a lot of diag & money!!

[BruceLyeg]

Another great video. You're one of the best automotive resources on YouTube.
I've said it before but it needs to be said again, I've been a mechanic for 30 years and still learn a trick or two from your channel.
Thanks!

[chelle]

Wow! What am impressive diagnosis!! My hubby and I just changed the injectors on our 3.5L Maxima.... You're absolutely right....Those seals do get hard.

[spozz]

Thank you for showing this video Sweet Project Cars. I also experienced the same thing last year but did not know why it happened and continued to send it to the mechanics. The mechanics say that the fuel injector needs to be changed but does not look like new. and now after being shown by Sweet Project Cars it will save my money in the future if the same thing happens. Thank you very much Sweet Project Cars....the best teacher here...millions thumbs up

[_floW]

I once had a lean on bank whatever error with my 2006 Chevy Colorado with nothing in the codes about my MAF functionality and it turned out to be a bad O2 sensor. Just goes to show how these little tricks and a decent understanding of how you can disconnect stuff or spray things in certain places goes an awful long way to diagnose something. Of course, having a $500.xx set of service manuals always helps, too! (Something I thankfully bought for both my truck and my 2008 Saturn Sky Redline.)

Thanks for the video.

[CycloneCyd]

Many years ago my Grandfather used to use a plumbers soldering torch (unlit!) to find vacuum leaks. A very gentle flow of butane and the engine would suck it in a leak and usually raise the revs. I've also used a can of lighter fluid!! Not the safest of methods, lol!! Great video as always.

[silvergrizzly]

NOT BAD??? I'm wishin I lived closer to my YouTube mechanic!!!😁, , , Thanks for sharing another GREAT video, my friend! Received my 3M headliner adhesive today can't wait to use it!!! GOD BLESS YOU ALWAYS, Mike.

[waynewoodrick]

great info, I have used this trick myself a few times. Sweet Project Cars needs a TV show

[christopherloureiro]

I just spent around $380 for Diag. and part ($155) for my V8 5.3 repair today, but it was not throwing a P0101 but instead a P0300; so this is a good video to watch.

[andylong]

Another helpful video! Sound advise on finding something that can be very frustrating without videos like this to find the proper culprit. Keep on posting!

[x-man]

When you vacuum leak check with Carb Cleaner or other, use the straw on the nozzle. It will help you pinpoint where the spray at the suspected leak source. If you need to extend it, use a piece of clear vinyl tubing. You want the spray source as close as possible to the item you are spraying. The spray will be more dense (spray fans out with distance) and easier to see the exact spot that's leaking that way.
If you ever have to change 1 injector seal, change ALL of them.

[thejasonkellett]

WATCHING SPC CHANEL HAS ADDED A LOT OF MASS TO MY WALLET!! Thanks a lot guys...this works on carburetor engines like motorcycles as well!

[themanrecon]

Another great informative video my friend..it's gona suck when you retire we all here at your channel learned so much, thx for sharing....Karl

[Leonardokite]

Saving 300-500 IS SWEET! Thanks Captain!

[halseyballistic]

Awesome discovery and method of finding the leak.

[freesoul]

You make it simple and correct.. as usual.
Your 13000 mile away fan :)

[thearrow]

Hi .there have same problem last month ..it was air flow sensor I clean it and it’s raining good god....thank you