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Coolant temp gauge issue?

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Old 08-30-2012, 10:21 AM
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Coolant temp gauge issue?
I have a 1990 4runner w/ 3VZE. i have noticed that my coolant temp gauge takes a REALLY long time to come up to operating temp (close to 10 min doing 80 km/h) although i am blowing hot air within a few min. I think its impacting my MPG. Wondering if anyone else may have had this problem?
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Old 08-30-2012, 11:15 AM
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Either the thermostat failed open or someone took it out. When did it start doing this?
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Old 08-30-2012, 12:19 PM
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Originally Posted by BMcEL
Either the thermostat failed open or someone took it out. When did it start doing this?
Ever since I got the truck 3 years ago.
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Old 08-30-2012, 01:03 PM
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I would start by installing a Toyota thermostat. I got one for about $20-25 at the dealership a few months back.
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