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P0125 Diagnostic Trouble Code Discussion for March 2008

Insufficient Coolant Temperature For Closed Loop


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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
2003 GMC Yukon XL 1500 SLE 5.3L MIL Lamp on
P0125: Engine Coolant Temperature Insufficient For Closed Loop. truck came in with mil on. code po125 stored. replaced t-stat cleared code and all was fine for a few months. came in for lof and noticed mil back on. same code. cust. said it just came back on. dealer told us to replace t-stat housing, so we did. came back wi...
March 12, 2008
2003 GMC Yukon XL 1500 SLE 5.3L MIL Lamp on
P0125: Engine Coolant Temperature Insufficient For Closed Loop. truck came in with mil on. code po125 stored. replaced t-stat cleared code and all was fine for a few months. came in for lof and noticed mil back on. same code. cust. said it just came back on. dealer told us to replace t-stat housing, so we did. came back wi...
March 15, 2008
1999 Toyota Solara SE 3.0L MIL Lamp on VIN: 2B4GP44G61
P0125: Insufficient Coolant Temperature For Closed Loop. ... valve cover gaskets on this solora and now cel is on with p0125. Code description is for coolant temp which does seem a little low but seems that flow chart is for o2 sensors which is sitting at .04 at idle and goes up with propane to .9. Thought it was va...
March 20, 2008