Because the head gasket is blown.
Sure it will start with a blown head gasket. But, if you continue to run this engine with a blown head gasket you will destroy the engine.
In some cases, a car with a blown head gasket can be driven. However, it can lead to some bigger car problems down the line.
run compression check on it
Blown head gasket.
No. You can have the head gasket replaced. This is unless you kept driving the car with a blown head gasket and have totally destroyed the engine.
Yes, it will start. But know that every minute you run the engine you are doing damage.
a blown head gasket most likely.
IF that is all that was wrong it will be.
Generally, engine problems such as a blown head gasket or warped head.