TomServo92 Posted May 23, 2010 Share Posted May 23, 2010 Our 2007 Fusion threw a P0128 (Coolant Temp Below Thermostat Regulating Temp). Anyone else had this? I don't want to replace the t-stat or temp sensor unless necessary. I guess I'll just to wait to see if it does it again. Quote Link to comment Share on other sites More sharing options...
theDuff Posted May 23, 2010 Share Posted May 23, 2010 Make sure your coolant is topped off. If it is you will need a thermostat. If your car is a 4 cylinder have the mechanic check to make sure your water pump isn't leaking out of the weep hole. If it is have them replace the pump and t-stat together. Quote Link to comment Share on other sites More sharing options...
TomServo92 Posted May 23, 2010 Author Share Posted May 23, 2010 The coolant was a little low so I topped it off. We'll see how it does. Quote Link to comment Share on other sites More sharing options...
theDuff Posted May 23, 2010 Share Posted May 23, 2010 The coolant was a little low so I topped it off. We'll see how it does. Yeah. Probably because that water pump is seeping. You used premium gold I hope? Quote Link to comment Share on other sites More sharing options...
TomServo92 Posted May 23, 2010 Author Share Posted May 23, 2010 Yeah. Probably because that water pump is seeping. You used premium gold I hope? Of course. :D Quote Link to comment Share on other sites More sharing options...
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