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P0125 Diagnostic Trouble Code Discussion for January 2009

Insufficient Coolant Temperature For Closed Loop

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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
2001 Pontiac Grand Am SE 3.4L MIL Lamp on VIN: 1G2NF52E61
P0125: Engine Coolant Temperature Insufficient for Closed Loop Fuel Control. Happy New Year fellow techs.Have this pontiac with a strange temp guage.Guage will not move past 100.SES comes on with a po125-coolent thermostat code.Cooling fan runs constantly when this happens.Replace temp sensor and it worked for about a hour.Also when th...
January 03, 2009
2001 Mitsubishi Montero Limited 3.5L MIL Lamp on VIN: JA4MW51R71
P0125: Excessive Time To Enter Closed Loop. ... Limited. 3.5L. Replaced plugs and wires on previous visit for code p0301. CEL came on after a while and codes were p0170,p0173. Could not find in Modis what codes were for. Shop Key was able to say fuel trim problem. LTFT was between 15 and 20 for both ban...
January 09, 2009
1998 Pontiac Sunfire SE 2.2L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1G2JB1245W
P0125: ECT Excessive Time To Enter Closed Loop. car came in missing really bad when cold. check engine light on and rls. checked codes and did tests on sensors. replaced plugs wires and cam sensor as it was cracked. cleared codes and started engine ran great. road tested and it started to act up after it wa...
January 17, 2009