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Thread: How to clean the Mass Air Flow sensor

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  1. #21
    Interesting reading-how the Karman Vortex airflow meter works.

  2. #22
    Senior TGC Member mrg7243's Avatar
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    Quote Originally Posted by 03-Galant-ES View Post
    there ya go did you just clean the diode or the whole MAF? I dont mind cleaning the whole thing and then spraying the whole thing with the air cans to make sure there is nothing left when the car is started.
    I soaked the whole thing with it and let it air dry, while i cleaned the iac and tb, and did some other bs work to the car.
    Last edited by mrg7243; 11-04-2010 at 11:53 AM

  3. #23
    Senior TGC Member mrg7243's Avatar
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    here is what the CRC cleaner looks like, running for 3 weeks now no problems.
    remove
    spray/soak
    let dry
    install
    reset ecu works wonders

  4. #24
    Bought a can of the CRC MAF cleaner and saw the warning on the can about not using on Mitsus, CRAP!! Funny, I researched it on the CRC website and it makes no mention of this so you don't find out until you buy it. If I had not read the label before I used it, it might have cost ne hundreds of $$$. Anyone had any problems using the CRC MAF cleaner?

    It may not be the MAF anyway. I am throwing a P0174 code but there is no change in performance, idles as smooth as silk and accelerated smooth and strong. The only symptom other than the code is that my gas mileage dropped from around 23 to about 20.5. When I stomp on it there is no black smoke from the exhaust so it can't be too rich. My scantool shows MAF @ about 3.8 to 4.2 at idle and up to 40 acceleration and a speed. And it's curious how only bank 2 is lean?
    2002 ES, V6, 140K

  5. #25
    You are here entirely tooo much!!
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    exhaust leak?

    Quote Originally Posted by IVORY_G View Post
    never pull out, always squeeze inside! LOL!

  6. #26
    TGC Lifetime Patron oakrdrs187's Avatar
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    Ive always used it. No problems.

    Sent From My Rooted Galaxy Note 2 using Tapatalk

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