my oil gage shot up from c while driving all the way past h
I also do not get any heat in the car, the thermostate appears to be non functional
I stop and put in three quarts of oil and some coolant.
the gage still goes way past H if I drive the car.
What can be done or has to be done ?
Optional Information:
1997 Chrysler LX/16V v-6
Already Tried:
adding oil & collant