Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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Cadillac
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1991
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Seville Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes
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Diagnostic Tests
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Pcm Code EO38, Open Mat Sensor Circuit
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Failure Conditions:
Failure Conditions:
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MAT sensor value less than 35°F (2°C).