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Home >> Mitsubishi >> 2002 >> Montero XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Probable Cause

Probable Cause

Engine coolant temperature (ECT) sensor failed.
Open or shorted engine coolant temperature (ECT) sensor circuit or loose connector.
Powertrain Control Module (PCM) failed.

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