How to clean a Mass Airflow Sensor. Mass Airflow Sensor cleaning can increase fuel economy, stop hesitation and stalling, and shut off your check engine light. This is a simple procedure and in this video I go in-depth about cleaning the sensor and I take readings from an OBDII scanner to show before and after cleaning the sensor.
A mass airflow sensor gets dirty because of oiled filters such as a KNN air filter, air filters that are not replaced often enough, and dusty roads (salt, sand, pollen, etc). Symptoms of a dirty MAF sensor are hesitation, poor idle, bad fuel economy, and stalling. You can also get a check engine light with codes P0100, P0102, P0103, P0104, and P0105.
Bluedriver Scanner I used: http://amzn.to/1XNUGfz
Mass Airflow Cleaner: http://amzn.to/1po5AxE
Average Fuel Economy for the month before I cleaned the sensor: 17.5mpg
1 fill-up later: 18.97mpg
2 fill-ups later: 20.86mpg
3 fill-ups later: 19.10mpg
4 fill-ups later: 20.1mpg
5 fill-ups later: 19.13mpg
Cleaning a MAF to stop Hesitation and Stalling: COMING SOON
How to Fix a Car that Idles Poorly: https://www.youtube.com/watch?v=vFhoNykgQtc
How to Replace Oxygen Sensors: https://www.youtube.com/watch?v=_Kr-c8eBl5E
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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video 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 video is the sole responsibility of the user and not ChrisFix.
I bet if i wired up a mass flow sensor to my butt I'd set a world record.
jokes aside, love your videos.❤
Good video! Thanks!
I appreciate you man. You're a lifesaver for mechanics everywhere. I really like your process of explanation, you always cover the entire bit.
I used an electronic spray for sensitive electronics is that okay
damn. seems like ima struggle getting my box off from the nissan rogue lol
whats the best app for ipad to use with bluetooth obd2??
Thanks guy
My car was consuming 11.9l/100km and after cleaning it went down to 9l/100km 😁
chris my mechanic cleaned maf sensor using air pressure,now the puck up has gonedown what to do
Nice cheers buddy 😉👍
Chris, I got fired from my job for something I wasnt even involved in, my wife left me, my kid hates me, and my identity was stolen… lost all my money. But I cleaned my mass air sensor and it fixed everything! Thanks for the great video!
Before I had clean the MAF, a check engine light went off. Will it go off after I clean it or do I need to clear it with a OBD tool?
3:12
May I ask why the battery needs to be disconnected? Just asking cuz the stereo is a pain in the ass to get back to working after the battery gets disconnected.
Hi Chris, I’m glad that I found this post on the MFS. Thank you for sharing. I currently have a 2018 Altima / 102K with engine light on, took to Autozone they run diagnostic w/ code P0101 MFS problem. I have a question, after cleaning or replacing the MFS shall I just clear the code and test drive it? Is there a “reset” procedure to follow as people discussed on line? Need your advise. Tommy
Years later chris fix is da man ❤
Thank you a million. I have had trouble w/ my LS1 for about 5 yrs and lately it had gotten worse. I bought some cleaner($12) and cleaned the MAS yesterday and my 01 SS runs sooo much better. Now on to the next issue.
I'll suffer with contacts and glasses before I ever let a human or a machine touch my eyes.
I came here to see if I could use WD40 or brake cleaner…. I'm still debating
I heard that 99% Isopropyl works fine, I got a P0172 code because I changed to a short ram intake and didn't consider my MAF getting dirty. I'm wondering if I can use Isopropyl to soak it in/clean then let it dry
We appreciate you making this video and sharing some important info with us, ie. where the MAF is located, how to remove it, how to clean it properly and safely. However it's apparent from the engine data comparison b/w "before and after" at time stamp 9:16, that yours didn't actually need to be cleaned. 5.6 g/sec. at 88 F intake air temp. and 950 rpm is equivalent to 5.0 g/sec. at 77 F intake air temp. and 850 rpm. No change in MAF performance.
can i use soapy wooder
I'm learning so much from you! Thank you for all the work you put in your videos.