how to check if my Genesis G70 has an EVAP leak

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to ensure safety.

2. Inspect the Gas Cap

• Remove the gas cap and inspect for any cracks or damage.
• Clean the gas cap and the filler neck to ensure a proper seal.
• Reinstall the gas cap securely.

3. Visual Inspection of EVAP Components

• Check all EVAP hoses for any signs of wear, cracks, or loose connections.
• Ensure the EVAP canister is securely mounted and free of debris.

4. Perform a Smoke Test

• Connect a smoke machine to the EVAP service port.
• Initiate the smoke test and observe for any smoke escaping from the system.
• Identify and mark any areas where smoke is escaping, indicating a leak.

5. Check the Purge Valve

• Locate the purge valve and disconnect the electrical connector.
• Use a multimeter to check for continuity when applying voltage to the valve.
• If the valve does not operate correctly, replace it.

6. Inspect the EVAP Canister

• Remove the EVAP canister from its mounting position.
• Visually inspect for any cracks or blockages; replace if necessary.
• Ensure the canister is clean and unobstructed.