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Heat Gauge Jumping?

Discussion in 'General Tech and Maintenance' started by stud4u2c17, Apr 21, 2003.

  1. stud4u2c17

    stud4u2c17 Senior Member

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    I have an 89 CRX HF, and when i start it and run it... it runs fine and starts fine now ... other then the oil leak out of the valve cover im fixing today... but... i was wondering why my heat gauge jumps... I will start it and it runs cool.... then when it starts to get up... it jumps up to all the way hott for like 20 sec. then it goes back down all the way to where it was... im not sure if it is really getting hot... or if its a faulty sensor? where is the sensor located so i can check it... thanks
    TJ
    :kick:
     
  2. liquid00meth

    liquid00meth Senior Member

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    if it's jumping it's your sensor y0! engine temps don't change that quickly!



    Edit: It's a given that you can check your coolant level, sorry. If your getting bubbles in the cooling system, that could expose to sensor to quick heat bursts.
     
  3. Frank_Li

    Frank_Li Member

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    I'm not an expert but my car tends to do that also when I'm low on coolant.
     
  4. B16

    B16 Super Moderator VIP

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    check your grounds and your alternator as well. electrical problems cause your gauges to act funny sometimes
     
  5. brian11to1

    brian11to1 Senior Member

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    If you are getting bubbles in your coolant/radiator that means the head gasket is most likely shot.

    liquid00meth Edit:
     
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