LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P0193 - P0563 >> DTC P0458: Evaporative Emission System Purge Control Valve Circuit Low

DTC P0458: Evaporative Emission System Purge Control Valve Circuit Low

P0458 - EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT LOW

Description:  This DTC sets when the EVAPCP circuit output driver signal moves outside the minimum or maximum limit for the commanded state.
Possible Causes: 
  • VPWR circuit open
  • EVAPCP circuit open
  • EVAPCP circuit short to ground
  • Damaged EVAP purge valve
  • Damaged PCM
Diagnostic Aids:  To verify normal function, monitor the EVAPCP PID. With the valve closed, the EVAPCP PID indicates 0% duty cycle. When the valve is commanded fully open, the EVAPCP indicates 100% duty cycle.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HZ .