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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P04DB - Crankcase Ventilation System Disconnected - DTC Chart

P04DB - Crankcase Ventilation System Disconnected - DTC Chart

P04DB - CRANKCASE VENTILATION SYSTEM DISCONNECTED - DTC CHART

Description:  This DTC sets when the crankcase pressure sensor voltage is less than 2.5 V.
Possible Causes: 
  • Disconnected positive crankcase ventilation (PCV) system hose or component
  • VREF circuit open
  • SIGRTN circuit open
  • CKCP circuit open
Diagnostic Aids:  Verify the integrity of the PCV system.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HG .
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