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1995
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DeVille Base
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Engine Performance
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Engine Controls - Tests W/Codes - 4.9L
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Pcm Code Charts
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Code P074, Intermittent Intake Air Temperature (IAT) Sensor
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Failure Conditions
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Failure Conditions
IAT sensor voltage changes .3 volt (11°C) in 250 milliseconds (.25 second).