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Coolant temp xxx

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Old Oct 15, 2012 | 06:43 PM
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Default Coolant temp xxx

Hi. Last night on the way in from a 400 mile trip I saw the temp guage peg to max. Of course I immediately pulled to the side and shut down. A little checking under the hood ... the car was not abnormally hot. I checked the coolant temp on DIC. Shows "Coolant temp xxx". Check oil temp and trans temp both normal and no "Check Guages" light or anything else abnormal. Anyway I came on the remaining 100 miles. No problems.

Any ideas what's going on? Any help and suggestions appreciated!

2004 Lemans Commemerative Convertible. 80,000 miles.
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Old Oct 15, 2012 | 07:20 PM
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Check the wires going to the coolant temp sensor. It's on the driver side head behind the alternator next to the exhaust manifold. If the wires look good check the plug to make sure you're getting power.
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Old Oct 16, 2012 | 01:38 PM
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Thanks Dblerman! That's exactly what the issue was. Cleaned the connection with some contact cleaner, applied some dielectric grease and all is fine now.
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Old Oct 16, 2012 | 01:43 PM
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Originally Posted by UM Rebel
Thanks Dblerman! That's exactly what the issue was. Cleaned the connection with some contact cleaner, applied some dielectric grease and all is fine now.
glad to hear it was something simple
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