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Ford
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1994
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Explorer 4D Utility, RWD, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - System/Component Tests
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Emission Systems & Sub-Systems
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Exhaust Gas RECIRCULATION (EGR)
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Notes
Exhaust Gas RECIRCULATION (EGR): Notes
NOTE:
EVR solenoid has a constant internal leak. A small vacuum signal of less than one in. Hg vacuum is noticeable at idle.