IAT sensor reading 65,531? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-24-2008, 11:21 AM   #1
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Default IAT sensor reading 65,531?

Like the title says. Today i went out to start the car, it was -9 degrees F out. According to my Aeroforce my IAT temp is 65,xxx. Is this a sign of IAT failure?
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Old 01-24-2008, 04:10 PM   #2
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I found out rockauto has them for 14 dollars so i got a new one along with a new AC Delco O2 sensor and a gasket for my EGR valve. In the meantime i went back out and turned the key, IAT was back down to 37* which in the garage was much more accurate. In the meantime I moved my IAT sensor back up to the coupling between the TB and my FWI since in winter time my IAT sees much lower temps anyways.
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Old 01-25-2008, 11:04 AM   #3
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Sounds like a loose connection and an open somewhere. Could have been the connector itself?
Its not common to have to replace the IAT sensor.
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Old 01-25-2008, 12:35 PM   #4
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What does IAT stand for?
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Old 01-25-2008, 01:04 PM   #5
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Quote:
Originally Posted by USCGelectrotech
What does IAT stand for?
Intake Air Tempreture
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Old 01-25-2008, 02:35 PM   #6
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How old is the scangauge? My guess is that its a bug in the scangauge reading neg temps.
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Old 01-25-2008, 02:57 PM   #7
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hmmm, not sure. I bought it from you guys and according to my log i installed it 11/15/06. That is quite possible as it was -9 and my IAT sensor was right next to my filter down in the fenderwell. I checked the connections on the caspers extension harness to the sensor and to the factory wiring and it was all connected and the connections were clean.
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