why does my Honda CR-V Fifth Generation (2017-2022) check engine light come on after filling gas

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the negative battery terminal to prevent electrical issues during repair.
• Gather necessary tools and replacement parts.

2. Inspect and Replace Gas Cap

• Tools Required: Socket set, torque wrench, O-ring replacement (if needed)
• Remove the gas cap and inspect it for damage or wear. Replace if necessary. Ensure the new gas cap is tightened properly to avoid future issues.

3. Check EVAP System Components

• Tools Required: Torque wrench, vacuum gauge
• Remove the charcoal canister and inspect for cracks or damage.
• Test the purge valve with a vacuum gauge; replace it if it doesn’t hold vacuum.
• Reinstall components, ensuring all connections are secure.

4. Repair Fuel Leaks

• Tools Required: Wrenches, socket set, fuel line disconnect tool
• Inspect all fuel lines and connections for leaks. Replace any damaged hoses or fittings.
• Tighten any loose connections to prevent fuel vapor leaks.

5. Reset the Check Engine Light

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear any stored error codes and reset the check engine light.