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Cadillac
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1993
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Seville Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - Pcm
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Pcm Code Charts
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Pcm Code P038 - Open Intake Air Temp (IAT) Sensor Signal
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Failure Conditions
Failure Conditions
IAT sensor value less than 35°F (2°C).