hello,

I am having trouble with the vacuum leaks on the engine, its a 305 tpia and I removed the heater, ac and the egr system, should I plug the HVAC tip, and remove the egr lines on the throttle body and the intake manifold? There is one long hose comes out from the throttle body, I do not know where it goes, but from the diagram I understand that it should go to canister, long stroy short, should I plug the tips that I removed the hoses from?

Thank you