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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Removal And Installation >> EVAP Canister >> Inspection

EVAP Canister: Inspection

Check EVAP canister as follows:

GNSAWBIA0487Z-487Courtesy of NISSAN NORTH AMERICA, INC.
  1. Block port (B).
  2. Blow air into port (A) and check that it flows freely out of port (C).
  3. Release blocked port (B).
  4. Apply vacuum pressure to port (B) and check that vacuum pressure exists at the ports (A) and (C).
  5. Block port (A) and (B).
  6. Apply pressure to port (C) and check that there are no leaks.