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EVAP System, Checking For Leaks

Observe all safety precautions: SAFETY PRECAUTIONS 

View clean working conditions: CLEAN WORKING CONDITIONS 

Perform a preliminary check to verify the condition: PRELIMINARY CHECK .

Special Tools And Workshop Equipment Required 

NOTE:

Secure all hose connections using hose clamps appropriate for the model type

Replace seals and gaskets when performing repair work.

Leak Checking 

-- Using a Smoke tester, check the Evaporative Emission (EVAP) system for leaks.

NOTE:

Always follow the manufacturers directions for the proper installation and operation of the smoke tester being used.

If A Leak Is Detected: 

-- Check the fuel filler cap seal for damage and for proper installation. Replace if necessary.

-- Check all hose connections of the EVAP system and replace or repair any leaking lines.

-- Check all hose connections of the Fuel Supply system and replace or repair any leaking lines.

-- Remove the rear seat bench. Refer to the Repair Information.

-- Remove the floor cover seal.

-- Inspect the seal under the Fuel Delivery Unit (fuel pump) locking flange for proper sealing. Also check the fuel line connections.

-- Repair or replace any damaged component.

If No Leaks Are Found In The Evap Or Fuel Supply System: 

-- Erase the DTC memory if a code was set. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .

-- Perform a road test to verify repair.

Generate readiness code. Refer to READINESS CODE .