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Old 03-07-2008, 07:41 PM   #1
balub
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Member#: 173412
Join Date: Mar 2008
Chapter/Region: MAIC
Location: Pittsburgh, PA
Vehicle:
2000 Impreza OBS
Silver

Default At what temperature the radiator fan kicks-in?

I have this new scanguage hooked up to my 2000 Impreza OBS OBD2 port. I have been observing the water temperature readings on it and I came up with a few questions.

a. My radiator fan kicks in when it shows about 202 F. Does that seem high to you?
b. The temp gauge on the dash kind of behaves a bit strange. Perhaps it uses a different sensor and calibration. The needle goes past the first mark around 100F and then moves to the center when my scanguage shows 160F or so. Then it hardly moves as the scanguage temp goes all the over 200F. Can anyone explain this?
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Old 03-07-2008, 08:07 PM   #2
Mulder
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Chapter/Region: Tri-State
Location: NYC
Vehicle:
02 WRX
05 GTO/11 Sonata(!)

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Both sound normal.
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Old 03-07-2008, 08:10 PM   #3
wrxdrvr
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Join Date: Jan 2005
Chapter/Region: W. Canada
Location: Canada BC
Vehicle:
'09 STi 297.5 WHP
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Sounds about right, the stock temp gauge doesn't move once the temps reach normal operating temps, 81*C/177*F to 96*C/204*F...
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Old 03-07-2008, 10:15 PM   #4
balub
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Location: Pittsburgh, PA
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2000 Impreza OBS
Silver

Default

Thanks for the confirmation. Where are the sensors located in this car? The coolant temp sensor and the temp guage sensor. As I understand, these two are different.
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Old 03-08-2008, 08:43 AM   #5
rkramer
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Chapter/Region: MWSOC
Location: North Dakota
Vehicle:
2002 WRX Sedan

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the gauge really isn't a gauge as others pointed out. it is a 3 position indicator. cold, normal, and hot.
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