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P0125 Diagnostic Trouble Code Discussion for March 2012

Insufficient Coolant Temperature For Closed Loop

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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
2007 Hyundai Tucson GLS 2.0L overheating VIN: KM8JM12B67
P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control. ... complaining of overheating. found code p0125. scan tool shows -54 degrees f and 0 volts for ect. temp gauge appears to work correctly. tested ground and signal for continuity- ok, tested voltage at ect connector 5v and ground 0.-ok. check all pins and conn...
March 16, 2012