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Old 05-15-2009, 07:00   #1 (permalink)
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confused 1993 coolant temp ?

Hi guys,last couple of days the temp guage in my car is running way lower than where it usually does.Car runs fine,coolant levels are good,if it was low it would get hot no??A bad switch maybe?Any opinions?

Thx Fred
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Old 05-15-2009, 07:06   #2 (permalink)
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Re: 1993 coolant temp ?

The thermostat could be stuck open.
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Old 05-15-2009, 07:15   #3 (permalink)
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biggrin Re: 1993 coolant temp ?

Quote:
Originally Posted by jwko View Post
The thermostat could be stuck open.

That could be,kinda funny I replaced it a couple of months ago because it was getting stuck closed and getting too hot
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Old 05-15-2009, 07:17   #4 (permalink)
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Re: 1993 coolant temp ?

Now I may be wrong, but it's the first thing I would check.
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Old 05-16-2009, 19:17   #5 (permalink)
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Re: 1993 coolant temp ?

You know, I think these cars are programmed rather well to accept the OE stat. I replaced mine (took a while after I removed some wiring out of the way!) and I find that the engine temp varies like my Dodge. Runs warmer around town (close to stock), but runs a touch cooler on the highway. Before with the stock thermostat, the gauge wouldn't budge, the needle would just sit happily in the middle.
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Old 05-17-2009, 06:46   #6 (permalink)
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biggrin Re: 1993 coolant temp ?

Could be 360,here is where it's running now,used to run between the R and M most of the time and maybe a touch warmer around town,I'll be watching it for a few days and post up what I findOthers have told me it's fine where it is,if that's the cas what's going to happen when it does get cold??

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Old 05-17-2009, 08:27   #7 (permalink)
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Re: 1993 coolant temp ?

It's still up in the range, so you shouldn't have too much problems with keeping the interior at a reasonable temp. I wish Ford would number their gauges! I'm sure if you drove in traffic for a bit the needle will move back up to the RM area. Most vehicles, if the engine doesn't warm up to a certain temp in a certain period of time the engine can throw a code. Generally you'll get that if you decide to throw in a 160F stat, which is WAY too cool for street driving unless you like to keep the rpms near redline on a regular basis....

Still, I was surprised, but not shocked that the needle on my '99 Taurus would stay in the middle of the gauge around town, and cool down slightly on the highway, unlike with the OE stat, the gauge wouldn't budge, no matter if I drove in town or on the highway. At least I know it works!

I couldn't run a 180F stat below freezing, it's just warm enough to keep the front windows clear, but I couldn't get the interior above more than 10C, or around 45F. On colder days, except just above freezing inside - which was still better than the -44C outside!
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Old 06-16-2009, 10:18   #8 (permalink)
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confused Re: 1993 coolant temp ?

Quote:
Originally Posted by jwko View Post
The thermostat could be stuck open.


Well guys it's not the thermostat,I changed it and it still is reading low.It's got to be an electrical problem as I catch the needle move up on the guage but not slowly.it will flutter up to the half way mark and then drop right back down??I even unplugged the sensor and the guage still doesn't move.Also moved the wiring around and the needle just stays on the low end

Your opinions
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Old 06-18-2009, 04:53   #9 (permalink)
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confused Re: 1993 coolant temp ?

I had someone on another forum tell me this,anyone know where on the parking brake?The pedal assy??


QUOTE:On the 93 taurus, there is a black dash ground wire for the instrument panel. Either it is loose or the guage is not seating in its holder very well. The ground wire is attached to the parking brake.
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