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Looking for any idea’s about temperature sensor

Discussion in '1st Gen 4Runners (1984-1989)' started by Itsa 4runnerthing, Apr 10, 2025 at 9:21 PM.

  1. Apr 10, 2025 at 9:21 PM
    #1
    Itsa 4runnerthing

    #1
    Itsa 4runnerthing [OP] New Member

    Joined:
    Nov 1, 2020
    Member:
    #17663
    Messages:
    2
    Gender:
    Male
    First Name:
    Dan
    Vehicle:
    1988 SR5 3.0 manual and 1987 SR5 22RE nanual
    88 very stock. 87 some LCE upgrades. Headers, throttle body.
    Hi all! I hope someone can help me. 1987 22re. Manual transmission. Temp gauge reads low normal as soon as key is on. Disconnect sensor. Same reading on gauge. Ground sensor wire. Same reading. Disconnect ecu. Same reading different ecu. Same. Different gauge cluster. Same reading. Only when key is on. Any ideas will be appreciated. Sensor resistance is within spec. I’m open to suggestions. Thanks in advance.
     
    Itsa 4runnerthing, Apr 10, 2025 at 9:21 PM
    #1
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