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Home >> Ford >> 2005 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Description And Operation -- 6.0L Diesel (99P F450/550) >> Diesel On Board Diagnostics (OBD) System >> Diesel On Board Diagnostics (OBD) Monitors >> Deviations From Standard Gasoline Implementation of OBD
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Deviations From Standard Gasoline Implementation of OBD

  1. Readiness (all monitors complete) is based on diagnostics for the following 6.0L diesel engine systems:
    • Comprehensive component monitor (CCM)
    • Misfire detection monitor
    • EGR monitor

    The glow plug monitor is part of the comprehensive component monitor.

    Readiness is based on every OBD (component) having run sufficiently to have found a fault without regard to whether or not a fault exists.

  2. The OBD drive cycle provided in DIAGNOSTIC METHODS - 6.0L DIESEL is used to clear a P1000 code. The diesel system differs substantially from the gasoline system.
  3. The command to clear DTCs ONLY clears P1000 if all drive cycle testing has been satisfied. All other detected DTCs are cleared with a CLEAR code command from the diagnostic tool if the fault that caused the DTC is no longer present.
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