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Cadillac Repair/97 Cadillac Seville SLS Outside temperature stuck on 127F

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Question
My 97 Seville SLS outside temperature started showing high temps(90+) when it was cold outside and is now only showing a constant 127F. It is affecting the internal climate control, I have to set the temp at 85 to avoid be blasted by cold air. Is this something I can fix? Replace a probe, or is this a dealer only fix?

Answer
We can fix this simple problem to gether. You will need several pictures and some simple directions to perform some simple tests IF you have a DIGITAL VOLT/OHM meter which you can purchase at Wal-Mart for about $20.00 or at any auto parts store.

When you have your volt meter and are ready to spend about 30 minutes to perform the tests e-mail: onlineautohelp@msn.com

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On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.

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Held over 15 GM certifications prior to retirement in 1989.

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Prior to retirement held several ASE certifications, numerous Factory certifications.

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