Contents Section: Engine Controls - Tests W/codes - 4.0l All sections

Description Ford Explorer I

Description

Following procedures are functional tests of EEC-IV system. (Scheme 6) These 5 basic test steps must be carefully followed in sequence to avoid misdiagnosis or replacement of non-faulty components.

  1. Visual Check & Vehicle Preparation
  2. Equipment Hookup
  3. KOEO (Key On Engine Off) SELF-TEST
  4. Computed Timing Check
  5. KOER (Key On Engine Running) SELF-TEST