According to the Ford Service Manual for a 95 Contour Zetec, the thermostat starts to open at 187-194 F, and is fully open at 216 F.


95 Contour Zetec, ATX (wrecked, sitting in the barn) 95 Mystique Zetec, MTX 2000 Taurus SEL 3.0L Duratec 1994 Crown Victoria LX 4.6 V8 1993 Chevy Silverado 4.3 V6