Discussion Starter · #1 ·
My coolant temp gauge is always very low, usually on the "C" and never even gets in the range. I get plenty of heat from the heater and defrost so i figured it wasn't the thermastat because if it was stuck open i would get more of a reading on the gauge. Maybe the coolant sensor. Went to my local NAPA and they didn't show a coolant sensor available for my '89 F250 7.3L. Do you think this is the sensor, just hard to find part? I didn't try other parts house yet. Could this be the thermastat?