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Lost power after installing air intake?

Discussion in '3rd Gen. Tacomas (2016-2023)' started by MooseMan315, May 18, 2021.

  1. May 18, 2021 at 4:57 PM
    #1
    MooseMan315

    MooseMan315 [OP] Member

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    Hi all. So I installed an Injen EVO2200 air intake system a few weeks back and everything was great. More low end power, slightly better throttle response, great sound, etc.

    A couple days ago tho it seemed to have lost power while accelerating through the gears. On-ramps aren't quite as much fun now.

    I'm assuming the computer recognized the difference in air flow and is compensating by choking it back? Anyone else run into this? How do I overcome it?

    2017 3.5l TRD Sport 6-speed manual.

    Thanks in advance!
     
  2. May 18, 2021 at 5:37 PM
    #2
    MooseMan315

    MooseMan315 [OP] Member

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    Or is there a thread on this already?
     
  3. May 18, 2021 at 5:45 PM
    #3
    Skydvrr

    Skydvrr IG: @kalopsianick

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    This simplest answer is pull the aftermarket stuff.
     
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  4. May 18, 2021 at 5:49 PM
    #4
    stevesnj

    stevesnj Well-Known Member

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    The computer adjusted to the air intake change. You need a tune to compensate for the increased air. You will get lower Mpg also. More air needs more fuel.
     
    hiPSI likes this.
  5. May 18, 2021 at 5:56 PM
    #5
    3JOH22A

    3JOH22A トヨタ純正男娼

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    Could be an air leak somewhere:
    Make sure the coupler clamps are tight.
    Make sure the O-ring for the MAF sensor is seated correctly and hasn't squeezed out. Make sure the MAF sensor screws are tight.
    Remove the PCV vent hose; look down the spigot (with a mirror if needed) and make sure it isn't blocked. Reinstall the PCV vent hose and make sure the clamp is tight.
     
  6. May 18, 2021 at 6:06 PM
    #6
    MooseMan315

    MooseMan315 [OP] Member

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    Good info, thanks
     
  7. May 18, 2021 at 6:23 PM
    #7
    Junkhead

    Junkhead TRDude

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    Interesting. Never had “power loss” on any of my vehicles after installing aftermarket intakes.
     
  8. May 18, 2021 at 6:35 PM
    #8
    dagobert

    dagobert Well-Known Member

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    You only experience loss if you have a leak after the MAF.
     
  9. May 18, 2021 at 6:48 PM
    #9
    hiPSI

    hiPSI Laminar Flow

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    Don't pick and choose answers man. Pull the mod. See what happens. Report back.
    You will be surprised. Don't go moddin if you don't know about moddin.
     
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  10. May 18, 2021 at 8:11 PM
    #10
    9th

    9th Not a Civil Engineer

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    Low end power boost...Mkay.

    Better throttle response...Right.

    Take it off and go back to stock.
     
  11. May 18, 2021 at 9:59 PM
    #11
    3JOH22A

    3JOH22A トヨタ純正男娼

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    Maybe the placebo effect wore off. :D But the extra growl from the resonator delete should still be present.

    I run a Volant CAI for the sound and the clear lid (so I can visually inspect the filter without opening the lid).
     
    Junkhead, jmneill and Skydvrr like this.
  12. May 19, 2021 at 6:43 AM
    #12
    MooseMan315

    MooseMan315 [OP] Member

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    I mean i understand that the new intake was going to throw off the diagnostics and it would try to compensate for the change, I knew that going in to it. I'm mainly reaching out to see if anyone has advice or experience with any tools or software I can get to connect to the truck to balance it out
     
  13. May 19, 2021 at 7:04 AM
    #13
    OvrlndBigAl

    OvrlndBigAl Well-Known Member

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    I’m not saying this is absolute law but GENERALLY newer cars are pointless to modify. Yeah, manufactures can’t really lie if something adds power but at what rpm and under what conditions? I always tell my customers don’t waste your money on intakes, filters or other similar products. Manufactures don’t bother with direct injection, variable valve timing, variable intake runners and so on, just to leave “easy” performance on the table. Yes, there is a lot more science to making power than just having more flow but another highly generalized statement is if you don’t have a pressure drop between the air filter and throttle body then most likely you’ve got all the air flow you need.

    On a side note, everything I’ve owned and still own is modified. Just know what you’re getting into and why you’re doing it. I modify all kinds of things but just have real expectations. If you like it and it doesn’t hurt anything, then mod away and have fun. If you expected something different then probably just put it back to factory. I’m a huge fan of factory air boxes and filters on newer cars. Keep sensors clean and keep the dirt out, factory is best. Just pull the intake boot at the T body after a few thousand miles and see if excess crud is accumulating on the lip of the throttle. I see it all the time.
     
    markram likes this.

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