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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Engine Controls - System & Engine Component Tests - 6.0L (99P F450/550) Diesel) >> Hard Start/No-Start Diagnostic Procedures >> Test 7: Perform KOEO On-Demand Self-Test >> Purpose

Test 7: Perform KOEO On-Demand Self-Test: Purpose

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The purpose of this test is to determine if PCM has detected any fault conditions that would cause a hard start or no-start condition.

NOTE: The KOEO On-Demand Self-Test or KOEO Injector Electrical Self-Test (Click Test) must be run. To ensure that the DTC is a hard fault, first clear Continuous DTCs (be sure to record all DTCs and Freeze Frame information before clearing). Rerun KOEO On-Demand Self-Test, if DTC is set, a hard fault has occurred.
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