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Cadillac
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1989
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Fleetwood Base, 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 E38 - Open Mat Sensor Circuit
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Failure Conditions:
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Failure Conditions:
MAT sensor value less than -31°F (-35°C).