FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P0125

Test 1:




Tests 2 - 3:




SYMPTOM
P0125-CLOSED LOOP TEMP NOT REACHED

WHEN MONITORED
With battery voltage greater than 10.4 volts, after engine is started. No ECT Sensor Fault present.

SET CONDITION
The engine temperature does not go above 45 °F (7 °C). F Time dependants on start-up coolant temperature and ambient temperature. (i.e. 2 minutes for a start temp of 10 °C (50 °F) or up to 10 minutes for a vehicle with a start-up temp of -28 °C (20 °F). Two trips are required to set this DTC.

POSSIBLE CAUSES
- Low Coolant Level
- Thermostat Operation
- Engine Coolant Temperature Sensor