Quote Originally Posted by ted dehaan
hay there ffm a vary comon problem tn these tbi set ups is the throtle body only has 3 bolts holding them down and they use a vary thin paper gasket if you pop the tbi I bet you will find the gasket burned and dried up vary comon problen on these eng. all the symtems fit give it a try ted

That usually causes a High idle issue...Not hestiation.


As for looking at the vacuum, using a vacuum gauge is the best way to tell condition of an gasoline engine. Try and get one and report back....Or take the vehicle to a good automotive repair shop and have them diagnose it instead of throwing parts at it