Volkswagen Passat Cylinder Head

Can A Head Gasket Be Bad If The Car Is Not Running Hot?

My Vw Won't Start. I Have Tried Boosting It But It Doesn't Want To Turn Over. (it Needs A New Head Gasket But Had Been Running Fine Up Until...

My 2000 Volkswagen Passat Has A Very Rough Idle And Flashing Engine Light. I Got So Much Expensive Work Done On This Car I Can't Afford It...