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Charcoal Canister

  1. Disconnect negative battery cable. Disconnect hoses from canister. Remove canister from vehicle. Plug fresh air and float bowl ports. Forcefully blow into fuel tank port. Ensure air comes out of intake manifold port.
  2. Unplug fresh air and float bowl ports. Blow into intake manifold port. Air should not escape from any port. Blow into fresh air port. Air should escape from all other ports. If not, replace canister.
Fig 1: Charcoal Canister Port Identification
G37951Courtesy of SUZUKI OF AMERICA CORP.