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Home › Cadillac › 1992 › DeVille Touring › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Pcm Trouble Code Diagnosis › Pcm Code E38, Open Mat Sensor CKT › Test Conditions

Test Conditions

PCM Codes E14 and E15 not set. Coolant sensor temperature greater than or equal to 23°F (-5°C).

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