T100 Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1993)
Vacuum Switching Valve (VSV) for EGR: Pressure, Vacuum and Temperature Specifications
VALVE POSITION
Below 48°C (118°F)............................................................................................................................................................................Closed (EGR Disabled)
Above 52°C (126°F)...............................................................................................................................................................................Open (EGR Enabled)