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Home >> Lincoln >> 2001 >> Navigator 5.4 R, RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls Self-Diagnostics - EEC-V - CNG & Gasoline - Introduction, Self-Diagnostic System, Additional System Functions, Programming Pcm, Diagnostic Trouble Code Definitions, How To Use System Tests >> Self-Diagnostic System >> Quick Test >> KOEO On-Demand Self-Test >> Description
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KOEO On-Demand Self-Test: Description

KOEO on-demand self-test is a functional test of PCM performed with ignition switch turned to ON position, engine off. This test checks if PCM inputs and outputs are functioning electronically without any faults. A fault must be present at time of testing for KOEO on-demand self-test to detect a fault.

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