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

    Aug 31, 2013, 09:27 AM
    2000 Dodge Neon Temperature gauge acting erratic.. check engine light on
    I have a 2000 Dodge Neon and the temperature gauge is going up and down with a series of beeps and the check engine light remains on. The engine is fine and not overheating at all! Could it be the coolant temperature sensor causing both the gauge and check engine light issues??
    smoothy's Avatar
    smoothy Posts: 25,492, Reputation: 2853
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    #2

    Aug 31, 2013, 10:17 AM
    What codes do the ECU show?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #3

    Aug 31, 2013, 11:41 AM
    Remove and clean the connections going to the Temperature Sending Unit, not the ECT Sensor. Spray connection with WD-40.
    odinn7's Avatar
    odinn7 Posts: 7,691, Reputation: 1547
    Entomology Expert
    		  
    #4

    Aug 31, 2013, 02:00 PM
    Are you sure the engine is fine? It sounds like there may be an air pocket in the cooling system.
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