my Genesis G70 has a rough idle after refueling what might be wrong

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery's negative terminal to prevent electrical shorts.
• Gather tools and parts necessary for the repair.

2. Inspect and Replace Fuel Filler Cap

• Remove the fuel filler cap and inspect for cracks or damage.
• If damaged, replace with a new cap ensuring it meets OEM specifications.
• Reinstall the cap securely to prevent fuel vapor leaks.

3. Repair Fuel Leaks

• If any leaks were identified during diagnostics, replace damaged fuel lines or components.
• Use appropriate tools to disconnect fuel lines and install new sections.
• Torque all connections to the manufacturer's specifications.

4. Clean Fuel System

• Add a fuel system cleaner to the fuel tank to remove deposits.
• Consider replacing the fuel filter if it's clogged or has not been changed according to maintenance intervals.

5. Reconnect Battery and Start Engine

• Reconnect the negative battery terminal.
• Start the engine and allow it to reach operating temperature while monitoring for leaks or unusual sounds.