Temp gauge stuck at 19 degrees F - SaabCentral Forums
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  #1  
Old 13-01-07
06Aero93 06Aero93 is offline
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Default Temp gauge stuck at 19 degrees F

Anyone else having the problem where the temp gauge doesn't drop below 19 degrees. I know for a fact it's been below 19 the last couple days but for some reason it won't register anything lower...
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  #2  
Old 13-01-07
ctrlz ctrlz is offline
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There have been similar reported problems with this. The last one was reading too high for an owner in the UK. The sensor is attached to the front bumper cover in the center. Pretty easy to find.

Unfortunately, you need this to read accurately. In addition to reporting temp on the SID, the data is used by the ACC to regulate the cabin temp. Most importantly, the ECM makes adjustments to a lot of things based on ambient temp. So the engine will not perform optimally if it's gettig bad data.

Fortunately, the part is cheap.

EDIT: Just checked the WIS. They give resistance/voltage for readings from -40 to +122 deg F. So 19 is nowhere near the low end of the reportable temp.

Last edited by ctrlz; 13-01-07 at 01:33 PM.
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  #3  
Old 13-01-07
jbernie jbernie is offline
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Quote:
Originally Posted by ctrlz
EDIT: Just checked the WIS. They give resistance/voltage for readings from -40 to +122 deg F. So 19 is nowhere near the low end of the reportable temp.
Mine was happily showing -1F on the way home last night... unfortunately. And I'm sure our Canadian friends can make that look pretty warm .
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  #4  
Old 14-01-07
fitchesg fitchesg is offline
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Hi,

I think I might be the UK Owner that CtrlZ is referring to. It's true, mine ws showing +33C when it was about +11C and the climate control kept trying to cool the cabin down. Mine is still under warranty, so the replacement part and work was free, but it took them less time to swap it than it took for their coffee machine to brew me a cup, so it should not be a big deal to fix it.

Garry
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  #5  
Old 16-01-07
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Diggs Diggs is online now
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What did you see this morning? Mine hit 5F.
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  #6  
Old 16-01-07
EMQwerty EMQwerty is offline
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Quote:
Originally Posted by jbernie
Mine was happily showing -1F on the way home last night... unfortunately. And I'm sure our Canadian friends can make that look pretty warm .
Here is your number from a Canadian! I have seen as low as -36C (-32.8F), but not for a few weeks... Thing seems pretty accurate!
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