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Home >> Lincoln >> 1978 >> Versailles >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Electronic Engine Control I >> Testing & Diagnosis >> Visual (Pre-Check) Inspection

Visual (Pre-Check) Inspection

  1. Remove air cleaner. Check routing and condition of all vacuum hoses. Check EEC I system harness for loose, broken, disconnected, or corroded wiring or terminals.
  2. Check EGR solenoid Red wire, pressure solenoid Yellow wire, and vent solenoid Green wire. Inspect sensors for damage. Repair items as necessary, and install air cleaner.
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