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My 1997 Escort temperature guage is going off the scale when I switch it on. The coolant is full.

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This could be a number of things, u checked the 1st, coolant level is ok. How long after starting the car does this occur? 5 minutes, more, less? If it is happening quickly, it is possible the thermostat is not opening. U can remove the thermostat, check it for any obvious problem (broken spring,etc). If no apparent problem visually, get an old pot, fill w water, bring to boil, drop in thermostat, see if it opens when water brought to a boil. If it doesn't, replace it. Let me know what u find, we can continue to search for a fix if the thermostat is ok.

Posted on Nov 19, 2008

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SOURCE: My 1997 Escort temperature guage

the temperature sending unit which only controls the gauge is bad it is located on the left of the cylinder head very close to the exhaust manifold, first check and makes sure that rhe wire is not grounding if the wire is ok replace the temperature sending unit

Posted on Nov 19, 2008

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2001 ford escort zx2 has no heat. Blower OK, AC fine. I did notice the temp guage fluctuates quite a bit. When I select full hot, will get warm (NOT hot) air for about 30 sec. then it blows cold. Could...


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My 1997 Escort temperature guage goes off the scale when I switch it on. Have filled coolant.


the temperature sending unit which only controls the gauge is bad it is located on the left of the cylinder head very close to the exhaust manifold, first check and makes sure that rhe wire is not grounding if the wire is ok replace the temperature sending unit

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If it stays "down" as in completely not getting any tempature at all? Not even too 100 degrees Farenheit,? Then more than likely its just the sending unit. Using alldata.com I found the location of the sensor:

On your 1997 Ford Escort (2.0L SFI SOHC), the Coolant Temperature Sensor is located: clearpixel.gif Under hood, driver side, upper engine area, below valve cover, mounted in cylinder head

When ordering the part be sure that if they do ask, which they shouldn't tell them you need the one that controls the gauge not the ECM, alldata.com shows your car only using one sensor for both.

Obviously check the wiring terminals that go to this sensor before ordering pull the plug out and check for corrison or broken wiring in the harness its self.

Let me know if I can farther assist you with your problem, thank you for using fixya.com

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