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New to Forum, Need ECM Advice

Discussion in '4th Gen 4Runners (2003-2009)' started by ZSCS4wd, Jun 12, 2016.

  1. Jun 12, 2016 at 2:50 PM
    #1
    ZSCS4wd

    ZSCS4wd [OP] New Member

    Joined:
    Jun 12, 2016
    Member:
    #2141
    Messages:
    3
    Gender:
    Male
    First Name:
    Zane
    Vehicle:
    2005 SR5 4Runner 4.7
    none
    Need advice on replacing an ECM: 2005 4Runner, AT, 4.7L
    Codes called for replacing O2 sensors, then ecm. All O2 sensors were replaced.
    Located remanufactured ecm, installed and flashed ignition key per suggestions by ECM supplier.
    Certified locksmith reflashed, then reset by disconnecting battery and leaving key in the on position both for 15 min each. I am now experiencing no dash lights coming on, no engine turn over / no start. (just after installing ecm, engine would turn over and start, but only run for a second or 2).
    Prior to changing ecm, no issues other than engine light.
    Whats next, I hope I don't have to take to dealership?
     
  2. Jun 14, 2016 at 7:49 AM
    #2
    RonT4R

    RonT4R New Member

    Joined:
    Mar 24, 2015
    Member:
    #526
    Messages:
    547
    Gender:
    Male
    First Name:
    Ron
    Virginia Beach
    Vehicle:
    2007 4runner SR5 4WD
    I am trying to understand after you replaced the O2 sensors why did you replace the ECM?
     
  3. Jun 14, 2016 at 8:34 AM
    #3
    ZSCS4wd

    ZSCS4wd [OP] New Member

    Joined:
    Jun 12, 2016
    Member:
    #2141
    Messages:
    3
    Gender:
    Male
    First Name:
    Zane
    Vehicle:
    2005 SR5 4Runner 4.7
    none
    We read codes that indicated the sensors needed replaced in addition to indicated problem with ecm, so we replaced the sensors, then reread codes, which then indicating the ecm had a problem.
     

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