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1997 TJ temp spike

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1997 TJ temp spike

  #1  
Old 09-09-2016, 12:46 AM
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Default 1997 TJ temp spike

1997 jeep TJ wrangler 2.5l 5 speed manual.

Temp gauge sits at 210 then suddenly spikes to red zone check gauges light comes on. Lasts for 30 seconds to 1 minute then drops back to 210.

Happens at Highway driving conditions after being driven for 20 minutes or so.

could this be thermostat ?
 
  #2  
Old 12-19-2017, 10:54 PM
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just looking back over old posts.
This turned out to be a marginal radiator. installed a new one and problem resolved.
 

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