FlightoftheFusion Posted March 1, 2020 Share Posted March 1, 2020 I made a vain attempt to see if any posts have been made about this. (Meaning I went back four pages) I have a 2011 SE and I am learning all the time now how tech gets in the way of an automobile. That being said, I understand the tech. I am looking for the location of the COOLANT temp sensor. I have searched in vain and only found things on the Evap (A/C) Sensor location. (Which from the video is one hell of a process.) Are they the same item? To be clear, my car is not overheating, nor is it to cold. The gauge on the cluster operates fine during the initial boot up, It goes max and comes back down like all the others. However, once it is started and been driven, the needle never budges. It stays on cold constantly. On a side note. This was not all at once. It was working fine, then for about 2 weeks it would slowly begin to show the engine was colder and colder, until it just finally stopped registering. 0 Quote Link to comment Share on other sites More sharing options...
drolds1 Posted March 2, 2020 Share Posted March 2, 2020 No. The coolant temp sensor and evap temp sensor are not the same thing, thank goodness. You won't find a coolant temp sensor because Ford has been using cylinder head temp sensors got that function for years now. It would help to locate it if you told us which engine you have. Moreover, without testing it, how do you know that the sensor is the source of your issue? Maybe your thermostat is stuck open. Ford thermostats fail in the open position. Is your heater producing adequate heat output? More details are needed. 0 Quote Link to comment Share on other sites More sharing options...
FlightoftheFusion Posted March 3, 2020 Author Share Posted March 3, 2020 So it is the 2.3L and yes, the heater works fine. I originally thought the same thing, that the thermostat was stuck open. But, even on out coldest days (I live in the upper mountains of Utah, so it gets pretty cold.) The heater is just fine. As far as troubleshooting, there are no codes, no lights, car runs just fine, though the idle is a bit high. (around 1,250) The gauge itself appears to be working. As I mentioned, during the "boot up" it swings to the top and comes back down like the others. It has been more of logical elimination of things it could be. 0 Quote Link to comment Share on other sites More sharing options...
eGuru Posted March 3, 2020 Share Posted March 3, 2020 Just curious, does your 2011 actually have a 2.3L engine? 0 Quote Link to comment Share on other sites More sharing options...
bbf2530 Posted March 3, 2020 Share Posted March 3, 2020 (edited) 1 hour ago, FlightoftheFusion said: So it is the 2.3L and yes, the heater works fine. I originally thought the same thing, that the thermostat was stuck open. But, even on out coldest days (I live in the upper mountains of Utah, so it gets pretty cold.) The heater is just fine. As far as troubleshooting, there are no codes, no lights, car runs just fine, though the idle is a bit high. (around 1,250) The gauge itself appears to be working. As I mentioned, during the "boot up" it swings to the top and comes back down like the others. It has been more of logical elimination of things it could be. Hi Flight. As eGuru is alluding to, the 2.3L I-4 base engine was no longer available in the 2011 Fusion. The 2011 engine choices were the 2.5L I-4, the 3.0L V-6 and the 3.5L V-6 in the Sport version. Good luck. Edited March 3, 2020 by bbf2530 0 Quote Link to comment Share on other sites More sharing options...
FlightoftheFusion Posted March 4, 2020 Author Share Posted March 4, 2020 (edited) So, yes, it is the 2.5L. Sorry owned it about a month. Still learning about it. 2.5L I4 FI DOHC 16V NF4 Edited March 4, 2020 by FlightoftheFusion 0 Quote Link to comment Share on other sites More sharing options...
bbf2530 Posted March 4, 2020 Share Posted March 4, 2020 1 hour ago, FlightoftheFusion said: So, yes, it is the 2.5L. Sorry owned it about a month. Still learning about it. 2.5L I4 FI DOHC 16V NF4 Hi Flight. That is certainly okay. We are only trying to provide the correct information for you. Good luck. 0 Quote Link to comment Share on other sites More sharing options...
drolds1 Posted March 5, 2020 Share Posted March 5, 2020 This video will show you where the HT sensor is on the 2.5L. You can FF to 6:09. 0 Quote Link to comment Share on other sites More sharing options...
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