DeVille V8-4.9L VIN B (1995)
Evaporative Emission Control Canister: Testing and Inspection
FUNCTIONAL TEST
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Attach a hose to the fuel vapor port (from fuel tank) of the canister and attempt to blow through it. Air should pass into canister, If not, replace the
canister.
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Disconnect the EVAP solenoid electrical connector, attach a hose to the upper port of the canister, and attempt to blow through it. Air should not
pass into the canister. If air passes, replace the canister.
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Reconnect all purge hoses and the solenoid electrical connector.
