The PCV vacuum hose under the upper intake plenum may become brittle and crack causing an engine vacuum leak.Google+
Car Problem Reports
Chevrolet Beretta PCV Vacuum Hose Under Upper Intake Plenum May Crack
Chevrolet Beretta Problem
Engine Affected: 3.1L V6
Visitor, 1994 Chevrolet Beretta, 3.1L V6, 94,000 mi
same issue, hose will leak and cause vehicle not to run properly. Anyone know the part #?