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EVAP Canister

  1. Visually inspect EVAP canister and hoses for cracks and damage. Disconnect all hoses from canister. Remove check valve (if equipped) from hose that is connected to bottom of canister. Connect a clean hose to fuel tank port "A" on top of canister. See Fig 1. Blow 2.8 psi (0.2 kg/cm2 ) of air through clean hose. Air should flow from all other ports, including port(s) on bottom of canister.
  2. Blow air into canister purge port "B" on top of canister. If air flows from any other port, replace canister. If air does not flow from any other port, hold finger over port "B". Blow a maximum of 43 psi (3 kg/cm2 ) of compressed air through port "A" to clean canister filter. No charcoal should come out. DO NOT  try to clean canister filter by washing canister.
Fig 1: Identifying EVAP Canister Ports
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