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heat hand----very strange

Discussion in 'Civic and CRX - EF' started by 1991hb, Oct 15, 2006.

  1. 1991hb

    1991hb New Member

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    I was out tonight driving around and on my way home I noticed that my heat hand would drop all the way down and then back up to normal position. It did it quite a few times but it never once went up like it was over heating. This is the first time I have ever noticed it doing this and there is no check engine light either. If you need to know it's a '91 hb with a d15 block and y8 head. Any Ideas? Thanks
     
  2. hosmer

    hosmer I made the millionth post VIP

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    temp sensor is shitting the bed maybe...?
     
  3. BlueCrxNC

    BlueCrxNC VTEC CRX

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    You'll never get a check engine light for the Temp Sensor. The cluster gauge uses a seperate sensor than the ECU. Either the sensor is going bad or you have a wiring issue (Corrosion causing partial wire break/loose connection, problem with gauge itself, etc.)
     
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