Should you clean PVC valve with viniger water mix? on 1997 Chevrolet Lumina

My father in law did this to my car, & also snapped connected hose. Then "repaired" it by inserting both broken ends in a fatter, but same diameter piece of rubber hose. Now my car struggles to start. If it does it stalls quickly.

Asked by for the 1997 Chevrolet Lumina
they are cheap like 3 bucks
1 more answer
Replace it all, better to be sure.