BTW, I found an exact match for the picture - in catalog - a FourSeasons Coolant Temperature Sensor, p/n 36407. The In-car Temperature sensor is to the right of the radio behind the instrument panel trim. It's possible that a tune could be put into the car that could solve this issue, I would ask Lonnie about it and see what he says. The Head Temperature sensor is on the LH cylinder head, below the intake by cylinder 5. I am not a mechanical engineer nor am I an expert on thermodynamics but I do know that a chunk of solid metal, and a glycol/H2o mix being pumped under 16psi of pressure, have different heat transfer qualities. It's possible that their heat transfer properties are similar enough to work, but it doesn't seem likely.
But, then you're back to the heat transfer properties of aluminum, VS heat transfer properties of engine coolant. Or, you could find out what your ECU is looking for as far as voltage/resistance signal throughout its range, and find a temp sensor with that range that will fit that threaded hole. It's a decent idea, and who knows it may work perfectly but if it doesn't, then it is going to affect the way your engine runs. By completely changing the measuring point of the whole system, it could make big changes that might not be desirable. They take these values and create a system around it. The CHT sensor can provide complete engine temperature information and can be used to infer coolant temperature. my problem is it FAN keep running.i have change Thermostat,Transmission - Answered by a verified Ford Mechanic. Ford places a certain sensor in a certain place with a certain range of readings. I have a 2010 Ford Crown Victoria 4.6 V8 engine. So it's not like the other one-wire temp sensor which only goes to the gauge - which wouldn't have any effect on the ECU, and therefore the other systems involved. It's possible that the cylinder head location temp sensor would be feeding different electrical information to the ECU that would not register properly with the stock ECU, causing false readings, or no reading at all depending on the feedback.ĭon't forget, if you are trying to use this for the connection to the ECU, this reading affects many other systems, since this is what the ECU uses to make decisions on fuel, spark timing, etc. I'm not saying it won't work, I just think that the ECU is set up for the heat transfer properties of coolant, and uses a certain voltage/resistance within that range. The coolant temp sensor is sensing a certain temp range for coolant, which has different heat transfer properties than that of aluminum. If you are trying to use this as the source for the ECT sensor, I'm not sure if that would work. If you really want to read temps from that location, you may be able to find an aftermarket temp sensor to fit that threaded hole, and then just run a standalone temp gauge.
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