EGR Vacuum Switching Valve (VSV): 2.7L

1. Disconnect electrical connector from EGR VSV. Using ohmmeter, check resistance between EGR VSV electrical terminals.
2. Replace EGR VSV if resistance is not within specification. See EGR VSV RESISTANCE SPECIFICATIONS  table. Check that no continuity exists between each electrical terminal and EGR VSV body. Replace EGR VSV if continuity exists between any electrical terminal and VSV body.
3. Apply air pressure to port "E" (without battery connected). See Fig 1 and Fig 2. Air pressure should not flow through port "F". Connect battery voltage and ground to EGR VSV electrical terminals. See Fig 1 and Fig 2. Apply air pressure to port "E". Air pressure should flow from port "F". Replace EGR VSV if defective.

Application	Ohms
2.7L	33-39
3.0L	30-50