What components are labeled in this vacuum diagram?

The diagram labels the EGR vent to air box, line to vac chambers, line to charcoal can, EVAP can and EVAP can supply, nipple by the TB, main supply, EGR purge, EGR vac, EGR supply, the line to the EGR, and two VRIS solenoids.

Does the main vacuum supply line change material along its run?

Yes, a callout notes the main supply 'converts to steel and back,' meaning part of the main supply line is a steel section between rubber hoses.

How many VRIS solenoids are shown in the diagram?

Two separate solenoids are labeled VRIS, both on the right side of the harness, fed by the main supply.

Where does the EVAP can supply hose connect?

The EVAP can supply hose (shown as the blue hose) runs from the harness to a nipple by the TB (throttle body).

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1996 Ford Probe Vacuum Hose Routing Diagram - EGR, EVAP & VRIS Lines

Vacuum hose routing diagram photo labeling EGR, EVAP canister, VRIS and charcoal can lines

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Annotated vacuum routing diagram of intake hoses identifying EGR, EVAP canister supply, VRIS and charcoal canister vacuum lines.

AI caption March 2006 · Photo 29 of 126

This document is an annotated photograph serving as a vacuum routing diagram. It shows an actual vacuum hose harness laid out flat, with each hose and component labeled with text callouts. Labeled connections include: the EGR vent to the air box, a line to the vacuum chambers, a line to the charcoal canister, the EVAP canister and its supply hose (shown in blue), a nipple by the throttle body (TB), and the main vacuum supply, which is noted to convert to a steel line and back to rubber along its run. The lower left portion identifies the EGR-related components: the hose to the EGR valve, the EGR purge solenoid, the EGR vac solenoid, and the EGR supply line. On the right side, two solenoid valves labeled VRIS (Variable Resonance Induction System) are shown with their vacuum lines branching off the main supply. The image is credited 'VAC DIAGRAM COURTESY OF JMMDM2.' A reader can learn the physical layout, routing, and identification of each vacuum hose and solenoid in this harness, which is useful for reassembly, diagnosing vacuum leaks, or verifying correct hose routing after engine work.

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Frequently asked questions

What components are labeled in this vacuum diagram?: The diagram labels the EGR vent to air box, line to vac chambers, line to charcoal can, EVAP can and EVAP can supply, nipple by the TB, main supply, EGR purge, EGR vac, EGR supply, the line to the EGR, and two VRIS solenoids.
Does the main vacuum supply line change material along its run?: Yes, a callout notes the main supply 'converts to steel and back,' meaning part of the main supply line is a steel section between rubber hoses.
How many VRIS solenoids are shown in the diagram?: Two separate solenoids are labeled VRIS, both on the right side of the harness, fed by the main supply.
Where does the EVAP can supply hose connect?: The EVAP can supply hose (shown as the blue hose) runs from the harness to a nipple by the TB (throttle body).
Who created this vacuum diagram?: The image is credited 'VAC DIAGRAM COURTESY OF JMMDM2.'