LEMON Manuals
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Cadillac
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1989
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DeVille 4D Sedan
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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 E31 - Shorted Map Sensor Circuit
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Failure Conditions:
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Failure Conditions:
MAP value greater than 107 kPa for at least .2 second.