Help Please car just pooped itself!

traceysch, Dec 2, 4:47am
Car was idling badly Friday, Saturday after driving it locally was still idling badly popped bonnett smoking from engine and exhaust, sounded like a steam train. Have not noticed anything until Friday when it started idiling badly. What could it be!
Holden Vectra 2001 156,000km's

llortmt, Dec 2, 4:52am
Head gasket.

traceysch, Dec 2, 4:53am
thats what I thought but was hoping it might be something less extragavant!

pfemstn, Dec 2, 4:54am
headgaskets a real problem on them!

traceysch, Dec 2, 5:08am
Any idea on cost!