Quick Test Procedures: Description

WARNING: This page is about a different car, the 1990 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

The Quick Test diagnostic procedures are functional tests of the EEC-IV system. They consist of 7 basic test steps. These basic steps must be carefully followed in sequence, otherwise misdiagnosis, or replacement of non-faulty components may result.

Visual Check & Vehicle Preparation. See BASIC TESTING article in this section.
Equipment Hook-Up
Key On Engine Off (KOEO) Self-Test
Computed Timing Check
Key On Engine Running (KOER) Self-Test
Continuous Monitor Mode (Wiggle Test)
Intermittents & Diagnosis By Symptom. For more information, refer to the H - "Engine Type" TESTS W/O CODES article.

NOTE: After all tests, servicing, or repairs have been completed, repeat QUICK TEST procedures to ensure all EEC-IV systems work properly and service codes are no longer present.