Mike's Workshop Manuals
: Service manuals for every vehicle
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Buick
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2002
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Century Custom
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Self-Diagnostics - 3.1L Engine
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Diagnostic Tests
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DTC P0125: ECT Excessive Time To Enter Closed Loop
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Diagnostic Aids
Diagnostic Aids
DTC P0125 is designed to detect a skewed ECT sensor.