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Re: Temp Gauge Wacky - Cold Weather related??? (texasvr6)

My first guess would be a faulty thermostat, likely stuck open. I experienced the same symptoms that you are describing. It may be a bad thermo switch -- located on the side of the radiator and responsible for turning on the fans.
Do the cheap thing first: Replace the radiator fluid and flush the system, assuming it's been over two years since this was last done. Otherwise have somebody replace your thermostat. Having just dont this myself, I recommend you have somebody else do it, mostly because it's just a pain (and time consuming) to remove/attach the power steering pump. If you have a Saturday, a warm garage and a Bentley or Haynes manual then you could do it yourself and save some bucks http://****************.com/smile/emthup.gif The Haynes manual does a good job explaining how to flush the cooling system; Bentley sucks in this situation.
 
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