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ELECTRICAL ISSUE RPM drop

Discussion in 'Technical Chat' started by 91TOY, Feb 26, 2016.

  1. Feb 26, 2016 at 10:10 AM
    #1
    91TOY

    #1
    91TOY [OP] New Member

    Joined:
    Feb 26, 2016
    Member:
    #179456
    Messages:
    1
    Gender:
    Male
    Vehicle:
    1991 3.0L 4X4 EXTENDED
    1991 3.0 5SP 4X4 156k purchased new While driving engine dies and comes right back. At 3000+ rpms drops 1500 rpms but comes back. Problem developed after driving 35 miles (violent shaking) on a washboard road at Chaco Canyon NM in 2004. Has gotten progressively worst. Have replaced distributor, plugs/wires, CPU, spark igniter, MAS. Can not recreate the issue at idle, pulled, tapped, checked on various: wiring, grounds, varies electrical components. I have a Toyota shop manual which allows me to read the diagnostic codes but that is a little technical for me and so its been a dead-end. Sounds like ground issue, but I think its an electrical component. Any input would be appreciated.
     
    91TOY, Feb 26, 2016
    #1

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