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Temperature Gauge Reading 265

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Old Apr 15, 2009 | 11:19 PM
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Default Temperature Gauge Reading 265

Has anyone come across their temp gauge going all the way to 265 and seeing the digital readout display "xxx" temp? I just put in a new battery tonight and as I was driving home i noticed this. No check engine light, performance issues, smells or noises. Its a 04.
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Old Apr 15, 2009 | 11:22 PM
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Originally Posted by Wtsn96
Has anyone come across their temp gauge going all the way to 265 and seeing the digital readout display "xxx" temp? I just put in a new battery tonight and as I was driving home i noticed this. No check engine light, performance issues, smells or noises. Its a 04.
codes?
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Old Apr 15, 2009 | 11:36 PM
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1 code - 10 PCM P0116C

Last edited by Wtsn96; Apr 15, 2009 at 11:47 PM. Reason: found codes
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Old Apr 15, 2009 | 11:50 PM
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Originally Posted by Wtsn96
1 code - 10 PCM P0116C
Yep, that's for the ECT sensor.
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Old Apr 15, 2009 | 11:53 PM
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PM me your email, and I'll send you the troubleshooting procedure.
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Old Apr 29, 2009 | 06:04 PM
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I just replaced the existing, 3 year old Interstate battery with a new Delco and immediately experienced the full-peg temp reading, exactly like you did. No outward evidence of the engine running hot. After I got it home and shot the cylinder head with an IR gun the temp was found to be a normal 200. Read the codes and got a P0116 (coolant sensor). Cleared it with the scanner. Ran the car for 10-15 minutes sitting still and all seems well so far. In the two years I've had this car I've had the Interstate battery disconnected several times with no ill effects. Changed the battery one time and whammo.
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