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Old 06-12-2009, 12:03 AM   #1
Scooby Newbie
Member#: 184049
Join Date: Jul 2008
Chapter/Region: South East
Location: columbia, s.c.
02 wrx

Default oil temp acting up

ok, hopefully i can get a little direction here. was driving the other day and my oil temp gauge (apex'i) started going crazy and the needle was bouncing all over the place. turned the car off and restarted, started reading normal rest of the way home. then started doing it again tonight then went back to normal. does it sound like just a bad sensor? if so, where/how do i check it? the gauges were installed in the car when i bought it and not sure where to start looking. any advice would be appreciated. thanks
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Old 06-12-2009, 01:42 AM   #2
Scooby Specialist
Member#: 195055
Join Date: Nov 2008
Chapter/Region: E. Canada
Location: Southern Ontario
2002 WRX


Check the electrical connections for the gauge (power, ground and signal) then suspect the sensor.
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Old 06-12-2009, 02:30 AM   #3
Scooby Newbie
Member#: 190815
Join Date: Oct 2008
Chapter/Region: W. Canada
1994 EJ22E, T225
Honda Blue


I ran into the same situtation on a autometer electrical gauge, it could be that the sensor signal is loose or that the sensor isn't grounded properly to the body of the car.
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Old 06-14-2009, 01:29 PM   #4
Subie Steve
Scooby Newbie
Member#: 214006
Join Date: Jun 2009
Chapter/Region: South East
Location: South Carolina
1997 Legacy Outback


I had the same thing happen with an electrical gauge when the sensor connector wires got corroded. I put dielectric grease on them now to keep the corrosion off - seems to be working a lot better. But it could be a short anywhere in the line or in the gauge.
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Old 07-19-2009, 11:06 PM   #5
Scooby Specialist
Member#: 91600
Join Date: Jul 2005
Chapter/Region: E. Canada
Location: North Bay


I'm getting this too!!! lol. Lemmy know what you guy's find?
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