566f00a7   
   From: DwightSchrute@DunderMifflin.com   
      
   Bad gauge?   
      
   On Fri, 21 Mar 2008 13:58:42 -0700 (PDT), Geoff    
   wrote:   
      
   >The situation: at idle, truck warms up normally, then after a fer   
   >minutes the engine temp gauge moves slowly up into the red zone, then   
   >suddenly drops back to normal, and stays there.   
   >   
   >The truck: 1985 longbed, 200K miles, 22R-E (fuel injected) engine.   
   >   
   >Maintenance so far. Cleaned radiator, replaced hoses, replaced fan   
   >clutch, replaced engine temp sensor, replaced thermostat. Coolant is   
   >at normal level, no sign of loss.   
   >   
   >Any ideas?   
      
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