head gasket failing
gas or a battery charged car makes a car run.
The muffler makes your car run quiet
Run a pressure test on it.
No, you run the risk of destroying the motor.
After coolant is added run vehicle to normal operating temperature and re-check coolant level
It can run but if it is leaking coolant it will cause a problem soon.
The cable car runs regularly throughout the day.
No , if you start the engine than the oil and coolant will mix and it will also be in the oil filter
Slip
I think you would know if you needed a freeze out plug for you would be losing coolant & losing coolant would make your ride run hot.
Low anti-freeze makes a car run hot going 70 mph.
No, it does not make the car run better. Dex-cool is a type of engine coolant most commonly used in GM products.