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Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Emission Systems & Sub-Systems >> Exhaust Gas RECIRCULATION >> EGR Valve (Spectrum)
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EGR Valve (Spectrum)

Apply approximately 7.1 in. Hg to EGR valve. Ensure that EGR valve fully opens and vacuum does not bleed off.

EGR/Purge Control Thermal Vacuum Valve (Spectrum)

Place sensing portion of thermal vacuum valve in water. Heat water to greater than 130°F (54°C). Ensure valve is open. Cool sensing portion of valve to 95°F (35°C). Ensure valve is closed. If valve does not follow specifications, replace valve.