Auto Repair: Mass Air Flow Sensors – Testing and Replacing (1 of 2)
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What kind of multimeter are you using? Can I use a regular multimeter?
@DMM9786 You have a short in the wiring most likely. Replace the wiring if you can. That would be my next step.
Hi guys, I found out through the testing that you recommended that it’s the wiring that’s my problem. I have a 1989 V6 Firebird and I want to know how do I fix this MAF wire without replacing the whole harness?
Thanks
Considering this is a GM vehicle i believe ? i need to check my maf before i order a new one… I have a nissan and it is aftermart boosted, and other things that increase fuel consumption. But mainly .. the car will idle with out the maf connected and obviously wont rev past 2500 rpm. but with it connected i can rev all i want but it wont idle.. and if it does idle it will be really really low idle. Can anyone give me some advice ?
LOL just leave it in the car and test.
@DMM9786 check ur crankshaft sensor
i have a 96 tahoe and changed the mass air sensor because the truck kept shutting off at start up and code was for maf. after i installed new maf it ran great for about 45min then went back to shutting off and rough idle . i went online and someone said to check egn1 fuse> it was blown then i replaced it> it last for 30min then blew again it keeps blowing that fuse what do i do??? any ideas?? thank you!!
where do you get these connectors for testing
Excuse Me. Have you a translation to Spanish of this repair? Or Can You give a copy of your text? I understand better text english
im have the code p0113 coming up on my 03 impala.. ive replaced the intake air temp sensor and its still runnin like shit… anybody give me a sugestion?
This is not the best way and inaccurate way to check! Its not accurare except for the tabbing part. A meter is not as fast enough to be able to read signal. The best way to test is with a scope because you can see signals up to millisecond which a meter can’t and meter would not work on new model vehicles but a scope will.
u r in limp mode
What type of universal tester is it?
Basically, it’s got an electric current that it pulses through a wire to heat it to a cretain temperature that it gets from the vehicle electrical system. The frequency they’re measuring is how often the MAF has to pulse this current to keep that wire at temperature X. There’s no actual electrical reaction b/t the air and the sensor, just how often it has to pulse current to keep a wire hot.
Just up and replacing it may not be the best idea if you think it’s bad cause a lot of MAF’s are pretty expensive. A dirt cheap way to test a MAF is to unplug it and go drive your car/truck. If your problem goes away, you’re gonna be fairly safe in betting that the MAF is bad.
right now my dads is shot so we cant go above 25 mph
What can happen to your engine if you dont upgrade your MAF and you modify the engine and it pegs the MAF
Where can I find information about how it actually works. As is what it happening electrically between the air movement and the sensor.
To that guys who says, just replace it you even suspect its faulty, did you know they cost $180 AU each?
if you even think your MAF is not working absolutly perfectly
just replace it
dont buy a 50$ retard detector to see if its bad
Lets make mountains out of mole hills…..jesus
what kind of meter is that? ohm meter? or amp meter?
deberian subir los videos subtitulados en español.. gracias
Its funny that I am going through problems with my 1992 Buick Century and it is dying at idle. Now no check engine light comes at all so I dont know if im going to get any feedback of codes. And its ironic that im searching for videos of M.A.F. problems and i just happen to see that this testing is done on the exact engine that my car has. but im very unsure of what my problem could be.