Rodeo (2WD) L4-2559cc 2.6L SOHC (4ZE1) (1991)
Thermal Vacuum Valve - EVAP: Specifications
Opening pressure from fuel tank to canister...........................................................................................................................................40 mmHg (1.6 in.Hg)
Opening vacuum from air cleaner to fuel tank........................................................................................................................................20 mmHg (0.6 in.Hg)