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Cadillac
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1992
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Seville Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Engine Controls - Tests W/Codes
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Pcm Code Charts
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Pcm Code E038, Open Mat Sensor Circuit
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Test Conditions
Test Conditions
PCM Codes E014 and E015 not set and coolant sensor temperature greater than or equal to 23°F (-5°C).