The most visible part of the AI system is that tube looking thing with the hose coming out of the top.Nest to your sparkplugs on both sides.I fyou look down next to the sparkplug (outboard of plug) and see some kind of plug bolt at least that part of the ai is gone.

As for rubber nipples cant help ya there I was Breast fed.

The percentage you're paying is too high-priced While you're living beyond all your means And the man in the suit has just bought a new car From the profit he's made on your dreams