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Cadillac
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1989
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DeVille 2D Coupe
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Repair and Diagnosis
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Engine Performance
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System
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DFI ECM Tests W/Codes
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Adjustments
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Code E37 - Shorted Mat Sensor Circuit
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Test Conditions:
Test Conditions:
No codes or problems on coolant sensor circuit.
Coolant temperature sensor less than or equal to 212°F (100°C).