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1990
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Eldorado 4T60/ME9
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Tests W/Codes
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ECM Trouble Code Charts
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ECM Code EO15: Open Coolant 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:
Coolant sensor value is -36°F (-38°C) or greater.