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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Symptom Diagnosis) >> Periodic Maintenance >> EVAP Leak Check >> Inspection >> Without Consult

Without Consult

  1. To locate the EVAP leak, install EVAP service port adapter and pressure pump to EVAP service port.
    G04074498Courtesy of NISSAN NORTH AMERICA, INC.
  2. Apply battery voltage between the terminals of EVAP Canister Vent Control Valve to make a closed EVAP system.
  3. To locate the leak, deliver positive pressure to the EVAP system until pressure gauge points reach 1.38 to 2.76 kPa (0.014 to 0.028 kg/cm2 , 0.2 to 0.4 psi).
  4. Remove EVAP service port adapter and hose with pressure pump.
  5. Locate the leak using a leak detector. Refer to SYSTEM DIAGRAM .
    G04080319Courtesy of NISSAN NORTH AMERICA, INC.
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