engine running too cool

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Kegge - 26 Jan 2006 21:26 GMT

I have a 2000 ford escort zx2 with the dual overhead cam engine. About a
month ago the temp. gauge started showing cold when running down the road
above 30mph. Since then I have changed antifreeze, burped the cooling
system, changed the thermostat and checked the new stat in hot water-it is
working perfect. Also the fan is not running. And the engine is still
running too cool. When sitting at an idle the engine will come up to
temperature but quickly cools down when going down the road-the heater
also starts blowing cooler air. What else should I be looking at.

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FanJet - 27 Jan 2006 05:11 GMT

> I have a 2000 ford escort zx2 with the dual overhead cam engine.
> About a month ago the temp. gauge started showing cold when running
[quoted text clipped - 5 lines]
> when going down the road-the heater also starts blowing cooler air.
> What else should I be looking at.

Try another thermostat.

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fireater - 27 Jan 2006 15:09 GMT

>>I have a 2000 ford escort zx2 with the dual overhead cam engine.
>>About a month ago the temp. gauge started showing cold when running
[quoted text clipped - 7 lines]
>
> Try another thermostat.

i have replaced multiple thermostats before finding a good one. BUT
after driving it for a WEEK or so is the antifreeze level constant?....
Do you have to add any? if so could be a leak letting air in cooling
system causing no heat.(would have to be quite low though)

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