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The EVAP canister is a sealed unit with 3 ports.
- Purge pipe
- Vapor pipe
- Vent pipe
The canister is filled with carbon
pellets used to absorb and store fuel vapors. Fuel vapor is stored in
the canister until the PCM determines that the vapor can be consumed in
the normal combustion process.
As for symptoms, either a trouble code will be thrown if the computer senses some problem with the purge valve, etc., OR you will smell gasoline, due to a leak or disconnected hose or other malfunction.
EVAPORATIVE EMISSION (EVAP) CANISTER REPLACEMENT
REMOVAL PROCEDURE
- Raise the vehicle. Refer to Vehicle Lifting.
- Disconnect the hoses from the EVAP canister.
- Disconnect the EVAP canister retainer attaching bolt.
- Remove the EVAP canister and the retainer.
INSTALLATION PROCEDURE
- Install the rearward end of the EVAP canister retainer into the
slot in the EVAP bracket. Rotate the EVAP canister in order to insert
the top of the EVAP canister under the tab.
- Install the EVAP canister retainer attaching bolt. NOTE: Refer to Fastener Notice in Service Precautions. Tighten Tighten the bolt to 10 N.m (89 lb in) .
- Connect the hoses to the canister. IMPORTANT: When installing the EVAP canister, the canister vent hose must be routed below the fuel tank fill and vent hoses.
- Lower the vehicle.
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