Coolant Thermostat Error
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Joined: Jul 2013
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Coolant Thermostat Error
Got a P0128 code, Coolant Temp below thermostat Regulating Temperature.
Most likely cause is bad thermostat.
My daughter's 2007 4 cyl. Took it to Auto Zone for the code check. On the way home I did notice the car temp gage going up as normal. I suspect this is the actual reading off the engine. So I'm thinking it's either a bad thermostat or the gage that reads the coolant temp is bad.
I was looking for a replacement and I see some parts that are rated for 180 deg and others 190 or 194. Some indicate they have a sensor and others do not.
It also looks like it's order from the warehouse. Which one should I be getting?
Most likely cause is bad thermostat.
My daughter's 2007 4 cyl. Took it to Auto Zone for the code check. On the way home I did notice the car temp gage going up as normal. I suspect this is the actual reading off the engine. So I'm thinking it's either a bad thermostat or the gage that reads the coolant temp is bad.
I was looking for a replacement and I see some parts that are rated for 180 deg and others 190 or 194. Some indicate they have a sensor and others do not.
It also looks like it's order from the warehouse. Which one should I be getting?
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Joined: Feb 2018
Posts: 3
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In my 2005 4-cyl, the original was 180, but Ford superseded it with a 192 for faster warm-up and better MPG. You might check with Ford Parts (use your VIN) to see what is spec now for yours.
HTH
HTH
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Bsentman888
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Feb 2, 2013 09:52 AM
