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Low idle after reconnecting battery...

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Drew12, Sep 2, 2017.

  1. Sep 2, 2017 at 7:15 PM
    #1
    Drew12

    Drew12 [OP] Well-Known Member

    Joined:
    May 31, 2016
    Member:
    #188361
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    Gender:
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    First Name:
    Andrew
    Sisters, Oregon
    Vehicle:
    2005 4x4 TRD OR Access Cab
    Bilstein 5100's/Toytec 620 coils, rear AAL, Camburg UCA's, Pro Comp 7069, AFE stage 2 CAI, Blacked Depo Headlights
    Hey guys,

    After reconnecting my battery after some electrical work, I now have low idle in park and while in drive at stop signs. Is this just the computer relearning so-to-speak the correct idle, etc, etc? Anyone else ever experience this?

    Much appreciated.
     
  2. Sep 2, 2017 at 7:16 PM
    #2
    Mateo74

    Mateo74 Well-Known Member

    Joined:
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    Matthew
    NWI
    Vehicle:
    16' Tacoma Sr5 Blazing blue pearl
    Yep just put a few miles on it.
     
  3. Sep 2, 2017 at 7:19 PM
    #3
    Drew12

    Drew12 [OP] Well-Known Member

    Joined:
    May 31, 2016
    Member:
    #188361
    Messages:
    314
    Gender:
    Male
    First Name:
    Andrew
    Sisters, Oregon
    Vehicle:
    2005 4x4 TRD OR Access Cab
    Bilstein 5100's/Toytec 620 coils, rear AAL, Camburg UCA's, Pro Comp 7069, AFE stage 2 CAI, Blacked Depo Headlights

    Perfect. I figured this was the case. I think this may have happened last time I disconnected the battery as well but couldnt remember. Do you happen to know what causes this?
     
  4. Sep 2, 2017 at 8:23 PM
    #4
    boogie3478

    boogie3478 Well-Known Member

    Joined:
    Oct 12, 2014
    Member:
    #140179
    Messages:
    26,395
    Gender:
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    Vehicle:
    14 TRD Off-Road V6
    All the mods
    Your truck's computer is reset when the battery is disconnected for more than a few minutes, so it has to relearn/recalibrate to your driving style. Few days and it will be back to "normal."
     
    wilcam47 likes this.
  5. Sep 2, 2017 at 8:47 PM
    #5
    Chuy

    Chuy Well-Known Member

    Joined:
    Aug 4, 2008
    Member:
    #8328
    Messages:
    4,003
    Gender:
    Male
    Lakeside, CA
    Vehicle:
    07 V6 DCLB 4X4 Sport
    Silver Taco
    I have 5 Toyota products and the Corolla 'suffers' the worst from disconnecting the battery. The Camry, Sienna, and Lexus, I cannot perceive any difference. The Taco suffers just a bit. Guess each vehicle reacts a bit differently.
     
  6. Sep 2, 2017 at 9:00 PM
    #6
    Dadypig

    Dadypig Aka daddy pig

    Joined:
    Aug 27, 2017
    Member:
    #228286
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    Gender:
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    Jaime
    East bay Kali
    Vehicle:
    2001 silver extended cab sr5
    Stock for now
    Ran into the same problem not to long ago,100 miles should get it back to normal.They even have a driving sequence that you can find online.Found this out when I went to go smog my truck!
     

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