DTC P0455: Notes

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Notes
DTC P0455 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0455 EVAP control system leak detected (gross leak)
DETECTION CONDITION 
  • PCM measures the pump load current (EVAP line pressure) when the specified period has passed after EVAP system is sealed when monitoring conditions are met. If the load does not reach the reference current value within the specified period, PCM determines that the EVAP system has gross leak.

    MONITORING CONDITION 

    • IG switch OFF
    • IAT: 5-35 °C {41-95 °F} 
    • Battery voltage: 11V or above 
    • Atmospheric pressure: 72.2 kPa {542 mmHg, 21.33 inHg} 
    • Fuel tank level: 15-85% 

Diagnostic support note 
  • This is an intermittent monitor (EVAP system monitor).
  • MIL illuminates if PCM detects above malfunction condition in two consecutive drive cycles or in one drive cycle while DTC for the same malfunction has been stored in PCM.
  • PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the PCM memory.
  • DIAGNOSTIC MONITORING TEST RESULTS is available.
POSSIBLE CAUSE 
  • Purge solenoid valve malfunction
  • EVAP system leak detection pump malfunction
  • Loose, missing or defective fuel filler cap
  • Charcoal canister malfunction
  • Fuel tank malfunction
  • Damaged or loose EVAP hose
  • Poor connection or damaged vacuum hose
RENDER: 1.0x

NO RELATED

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