yes
I blown head gasket can cause an engine miss which one cause a rough idle.
No, a normal tune up cannot cause a blown head gasket. A blown head gasket normally is caused by an engine overheating or by a defect in the gasket or head. If it happened right after a tune-up that is just a coincidence.
Yes, I blown head gasket will definitely effect the emissions.
blown head gasket
It can as one or more cylinders may have a misfire. A blown head gasket will destroy your engine.
yes
No
Yes, that is possible. A blown head gasket will destroy the engine.
It is not wise to drive with a blown head gasket. If you continue driving with a blown gasket, eventually your car will over heat and the engine will seize up. This can cause accidents if it occurs while driving.
A cracked head.
Yep