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Cadillac
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1993
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Seville STS
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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 P015 - Open Coolant Sensor Signal
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Test Conditions
Test Conditions
PCM Codes P037 and P038 not set and IAT sensor value greater than or equal to 4.4°F (-20°C).