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Home › Cadillac › 1994 › DeVille Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes - 4.9L › Pcm Code Charts › Code P074, Intermittent Intake Air Temp (IAT) Sensor Signal › Failure Conditions

Failure Conditions

IAT sensor voltage changes .3 volt (11°C) in 250 milliseconds.

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