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Inconsistent idle on a 3rz Tacoma

Discussion in '1st Gen. Tacomas (1995-2004)' started by tinathetacoma, Jan 24, 2024.

  1. Jan 24, 2024 at 6:29 PM
    #1
    tinathetacoma

    tinathetacoma [OP] Member

    Joined:
    Jan 24, 2024
    Member:
    #442403
    Messages:
    14
    Gender:
    Male
    First Name:
    Gavin
    Vehicle:
    Black 1997 Toyota Tacoma Xtra cab 4X4 5speed manual
    Hello, I have a 1997 Tacoma with a 3rz and a 5 speed manual and my idle is extremely inconsistent. On startup it sits fine for a bit but after I start driving and come to a stop or sometimes even just pull in the clutch the idle spikes and stays at around 1500 rpms but once I blip the throttle it drops to 1000 and hangs for a few seconds then drops to around 800-900ish. And sometimes when it idles I can hear it fluctuate a bit. I’ve replaced the IAC and cleaned the MAF sensor and am not really sure what to do so any help would be appreciated.
     
  2. Jan 25, 2024 at 4:13 AM
    #2
    THatt

    THatt Well-Known Member

    Joined:
    Aug 23, 2022
    Member:
    #404202
    Messages:
    1,068
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    Male
    Upstate SC
    Vehicle:
    1996 Tacoma 2.7L MT 4X4
    Could be the throttle positioning sensor.
     
    w8tdstrgecube likes this.
  3. Jan 25, 2024 at 10:27 AM
    #3
    w8tdstrgecube

    w8tdstrgecube Well-Known Member

    Joined:
    May 17, 2020
    Member:
    #328351
    Messages:
    354
    Gender:
    Male
    First Name:
    Brian
    Wisconsin
    Vehicle:
    2004 Gold Regular Cab 2.7L Manual 4x4
    I had this problem too, replacing the throttle position sensor fixed it
     

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