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    d1it4fun's Avatar
    d1it4fun Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 12, 2008, 03:46 AM
    94 Toyota 4x4 truck temp gauge shows hot
    When I start the engine, after a few minutes the temp gauge goes directly to the hot side. The engine is not overheating. I changed the temp. gauge sensor but that made no difference. I doubt the temp. gauge sensor wire is grounding because if it was, the gauge would immediately go to the hot side. What else can it be? It doesn't seem that the gauge itself is malfunctioning but I don't see what's left.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    Oct 12, 2008, 05:23 AM

    Thermostat
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #3

    Oct 13, 2008, 09:44 AM

    How do you know for certain it isn't overheating?
    Is the cooling system actually full of coolant?
    If coolant isn't on the sender, it will show as an overheat, even though the engine is OK.
    Check the coolant level and let us know.
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