Fogging of the windows inside is usually caused by a heater core leaking.
That is located under the dashboard on the passenger side. If you have an odor of anti-freeze or the floor is a little wet on that side, that's a sure sign of it leaking. Have someone check for that.
SOURCE: whats the temperturee the fan
Hi! yes, 230 degrees is way too hot! If my memory is right, probably about 190 degrees. I'd check with a GM dealer to make sure. It's most likely a bad fan switch. Good luck.
SOURCE: 1999 oldsmobile is overheating
If the previous suggestions don't help, you might want to check your coolant for bubbles; you could have a blown headgasket between the engine's water jacket and a cylinder.
If the gasket fails this way, it will force hot gases into the coolant path that will cause this rapid and intense heating.
The gasket does not have to be failed much to cause this and the early stages won't cause a cylinder to misfire but on cooling, the coolant can enter the cylinder and produce misfires for a few seconds when first started and this can show up as a fouling of one plug which can even show signs of rust if examined.
Also, check your oil dipstick for the color of your oil; it shouldn't look like Jergens lotion.
At the same time, look into the coolant bottle to see what it looks like since a failed gasket can also cause oil to leak into the coolant.
SOURCE: 1988 3.8 olds cutlass Ciera stalls, no spark until it cools down
Check the prrimary and secondary resistance on your coil. Also check the resistance of the plug wires and plug gap.
SOURCE: 97 cutlass running hot an overheating already
it's a 97 so it could be that the fan motor has died, try jumping power right to the motor if nothing hapen's then u will know it's the motor itself
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