This morning, I drove about a 15 mile round trip through town going about 40 on fluctuating terrain the whole time, and the temp. needle never passed cold. It only stayed at or below cold and would fluctuate from time to time. The temperature was 20, so it wasn't horrendously cold either. If this isn't normal, then I am guessing that it is my thermostat. There have been times in warmer temperatures when I have driven downhill for 20 minutes and the needle never moves, and other times when it will be at normal temp. and then run down to cold while going downhill.
running cold
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The "running hot" thread inspired me to post this one. I never really thought it was a problem until today when the engine never really warmed up.
Try a radiator cap first? Kinda suck to tear apart the assembly to replace the thermostat if it's just a cap. start with the easy things first! 
I posted how to check for a stuck open t-stat in this thread;
http://www.toyotanation.com/forum/t174133.html
By the way, I used the Search function to find this and you could have as well
http://www.toyotanation.com/forum/t174133.html
By the way, I used the Search function to find this and you could have as well
Sweet, thanks guys. I'll repost if that's not the case
By the way, I have a 22re and I have never, ever, even in the worst cases of me pounding the gas pedal on a hot day, seen that needle get more than a cm above the cold area. I think they normally run cold like that. And to boot, I always have warm air out of the blowers within 5 minutes of driving so I dont think its a problem.
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