Yes, it sure can. Have the ECU scanned to retrieve the code which will tell you, not necessarily the defective part but what part is being effected.
the answer is yes
MaybeMaybe
I blown head gasket can cause an engine miss which one cause a rough idle.
Yep
The most common cause of a blown head gasket is an over heating engine. Low coolant or coolant not circulating through the engine causes the engine to heat up and the gasket to fail.
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.
you have a blown head gasket water is getting in to the engine oil
It can as one or more cylinders may have a misfire. A blown head gasket will destroy your engine.
Absolutely yes.
Yes, it can. Other causes include ignition and fuel systems.
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.