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Temperature sensor - options?

Bill Putney

New CEG'er
Joined
Jun 14, 2004
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Location
Virginia
I used to hang out here 3 or 4 years ago.

Anyway - this is on a Zetec Mystique, but it applies to Duratec too probably, so I've posted here.

I have a vague recollection of temperature sensors being available for our cars with different calibrations (seems like it was two choices - regular, and one to shift the gage readings down a little). I don't recall if this was in aftermarket or OEM parts. IOW, you could specify a sender that would shift the temperature gage reading a little lower in case your gage read high with a totally normal engine temperature. Or am I thinking about the switch that controls the fan that you could get parts with two different calibrations?

Anyway, if anyone remembers whatever the heck it is I'm talking about, please refresh my memory.

The gage is reading under the 'A' in NORMAL, and get's pretty close to the 'L' at times. I have no reason to believe that it is running hot, and my daughter has been driving it for a couple of years so I don't remember what the gage normally read (I just replaced the head gasket along with new water pump, thermostat, hoses, t-belt, etc.). I'm getting ready to sell it, so would like to get it reading in the middle or lower part of the gage range and would buy a sender that was intended to do that if available. Not trying to fool a potential buyer - I just have no reason to believe it's running on the high end of temperature and every reason to believe the gage just reads high.

TIA!
 
Welcome back! :) . You are talking about the thermostat. The 195 or 185 F, I believe. Anyway, we do not think it will make a difference as the temperature will eventually rise to its equilibrium at whatever 'alphabet' it is on the gauge. Most have posted that it usually reads "hotter" on the Zetec gauge. Only real way to tell the temperature is to use a real time scanner or maybe infra-red thermometer on the hose (???). If you are concerned that the radiator fans are not coming on, there is a temporary fix which "forces" the fan(s) on all the time. Moderndino fix. However, you should start by doing maintenance first, making sure that the coolant is flushed and refilled with 50/50 coolant.

Edit. Link to Moderndino fix
http://www.contour.org/ubbthreads/s...er=1282830&page=&view=&sb=5&o=&fpart=all&vc=1
 
Thanks, Tony. I have a contact temp. probe that plugs into my multimeter - I'll use that. Fans are coming on. Fresh coolant (from the head job).

I'll just explain to the buyer that the gage reads normal - if he asks.
 
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