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Old 04-08-2001, 12:07 AM   #1
popnGEAR
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Join Date: Mar 2001
Location: Bellevue, WA
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1999 2.5RS
RBP

Post Does anyone know what might cause engine temp misread?

This just started tonight, the temp. gage starts at mid range and then it will go to critical temperature but then fall back down to normal. This is very weird, because i know it can't possibly heat up that fast (it's cold outside). When i pop the hood open it doesn't seem hot either, just normal temp. Anyone know what's going on or had this problem? What sensor is malfunctioning?
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Old 04-08-2001, 12:44 AM   #2
Wheels
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maybe the thermostate is not opening properly. Maybe its time to replace it. simply take it out and see how it works in a pan. Fill it with warm water and watch it open. see if it goes all at once or opens slowly.

Maybe try and flush your system out.
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Old 04-08-2001, 12:45 AM   #3
Wheels
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Sorry fill the pan with cold water then heat it up and watch how it opens.
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Old 04-08-2001, 12:49 AM   #4
popnGEAR
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how do i flush the system? i don't konw what that means =\
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Old 04-08-2001, 03:16 AM   #5
Wheels
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drain the rad till it stops pouring. Make sure the top is off the expansion bottle and the thermostate is out. The refill with engine coolant.

you can either drop the bottom hose or there is a drain plug on the rad.
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