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Cleaning MAF Really Necessary?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by jeremy_283, Jan 23, 2012.

  1. Jan 23, 2012 at 8:33 AM
    #1
    jeremy_283

    jeremy_283 [OP] Super Member

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    At 60,000 miles is it really necessary to clean the MAF?
     
  2. Jan 23, 2012 at 8:35 AM
    #2
    Warhorseforever

    Warhorseforever Will The Thrill

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    If your manual says to do it then yes, besides it's a good idea to do anyway especially if you have an oiled filter. Cleaning it can also help with gas mileage and let the fuel be burned cleaner and better. Do it, it doesn't take but 5 minutes.
     
  3. Jan 23, 2012 at 8:38 AM
    #3
    JEA86

    JEA86 Well-Known Member

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    it takes like 5 minutes and a can of MAF cleaner you can use about 50 times.

    just do it
     
  4. Jan 23, 2012 at 8:44 AM
    #4
    jeremy_283

    jeremy_283 [OP] Super Member

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    Oh and what about the throttle body. Does that need cleaned too?
     
  5. Jan 23, 2012 at 8:49 AM
    #5
    Warhorseforever

    Warhorseforever Will The Thrill

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    You can do it, again it's a 20 minute job tops.
     
  6. Jan 23, 2012 at 9:46 AM
    #6
    jprovence

    jprovence Well-Known Member

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    The MAF is a sensor, or a more specifically, a resistor that is sensitive to air flow. The ECU heats up the resister and a predetermined level, and maintains that level. As the engine pulls air across the sensor it is cooled, the computer detects this cooling of the resister and adds more voltage to maintain the set parameter. This voltage change indicates an increase in airflow and thus a change is required by the ECU to adjust fuel parameters as well. As you can imagine, a dirty sensor will give a faulty reading and incorrect measurements as it will not be sensitive enough.

    So, in short, clean your MAF regularly.
     
  7. Jan 24, 2012 at 5:24 AM
    #7
    WaGood24

    WaGood24 Well-Known Member

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    When you say regularly do you mean like every oil change? When the manual tells you to do it? Or what? I've noticed my MPGs have dropped off a bit and I'm not sure if it's due to "winter gas" or some other issue. My truck is only a 2010 with ~20,000 miles on it. I do have a modest lift, Terra Grapplers, and an AFE Pro Dry air filter all of which can effect MPG. But My last couple of fill-ups have been right around 16 when I'm normally around 18. Could cleaning the MAF help?
     
  8. Jan 24, 2012 at 7:12 AM
    #8
    ZMan2k2

    ZMan2k2 Well-Known Member

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    When I ran a drop in K&N filter, I had to clean my MAF every oil change. I do however, have the secondary filter removed from my airbox. But I would get wierd idle characteristics, running high or really low, and stalling. I've since switched back to OEM filters, and haven't had to clean it as often, but I still do it anyways, cheap insurance.
     
  9. Jan 24, 2012 at 7:20 AM
    #9
    JLee

    JLee The Man! Vendor

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    I lost track thousands of dollars ago.
    I check mine every time I clean the filter and I give it a shot of MAF cleaner if I see anything on it. So far I think I've cleaned it 2 or 3 times its never dirty.
     
  10. Jan 24, 2012 at 7:54 AM
    #10
    jprovence

    jprovence Well-Known Member

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    It's certainly worth a shot. I have cleaned my vehicles around once a year with dry filters. Depends on where and how you drive your truck will depend on how dirty stuff gets.
     
  11. Jan 24, 2012 at 8:00 AM
    #11
    Faryota

    Faryota Well-Known Member

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    Easy to clean! I clean mine with each oil change....
     
  12. Jan 24, 2012 at 8:02 AM
    #12
    dYL0n

    dYL0n ระดับอาวุโส สมาชิกอาวุโส

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    My throttle body and MAF sensor gets cleaned every other oil change. Once you start, you can't stop.
     
  13. Jan 24, 2012 at 1:03 PM
    #13
    dalesrn

    dalesrn Tacoma TSS

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    Do most of you spray the MAF while still in the air intake, or do you pull it out and clean it? Any risk of damaging the fine wires on the MAF?
     
  14. Jan 24, 2012 at 3:16 PM
    #14
    nimrod712

    nimrod712 Well-Known Member

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    Just pull it out. It's two little bolts. Easiest MAF sensor to clean that I've ever seen.
     
  15. Jan 24, 2012 at 3:28 PM
    #15
    757southpaw

    757southpaw Well-Known Member

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    I saw a how to write up on thiss subject. Maybe someone can link it.
     
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