Mike's Workshop Manuals
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2003
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Seville SLS
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Repair and Diagnosis
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
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Diagnostic Aids
Diagnostic Aids
DTC P0125 is designed to detect a skewed ECT sensor or a faulty thermostat.
A skewed IAT sensor may cause this DTC to set. The IAT sensor should read near the ambient temperature while driving.