What causes antifreeze on spark-plugs?
Blown head gasket, cracked head, failed intake manifold, etc
Your car shouldn't "burn" antifreeze. If it actually is "burning" antifreeze then chances are you have a blown/leaking head gasket or possibly a cracked engine block which allows antifreeze to enter the combustion chambers. If your antifreeze is just disappearing then it is probably leaking out from somewhere. Possible leak areas to check out would be the radiator hoses, heater hoses, radiator, water pump, and the heater core. Most of the time if the heater…
What causes a 2001 Grand Cherokee to blow fog-like fumes that have a trace of an antifreeze smell from the vents when the AC is turned on?
Well, it could be several different problems, To begin with I would check your oil and oil pressure. Then I would make sure you have antifreeze in it that is properly diluted. 50% antifreeze 50% water. If you add all antifreeze this will cause premature corrosion and also overheating. Be sure to check all fluid levels and be sure that your vehicle is not leaking any fluids