why does my Honda CR-V Sixth Generation (2023-present) check engine light come on after filling up g...

Solution

1. Preparation

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

2. Inspect and Replace Fuel Cap

• Sub-steps:
  1. Remove the fuel cap and inspect for cracks or damage.
  2. Clean the fuel filler neck to remove any debris.
  3. Replace the fuel cap with a new one if damaged.
• Tools Required: None specifically for this step.

3. Test and Replace Purge Valve

• Sub-steps:
  1. Locate the purge valve (usually near the engine or EVAP canister).
  2. Disconnect the electrical connector and vacuum lines from the valve.
  3. Use a multimeter to check the valve’s resistance and operation.
  4. If faulty, replace the purge valve with a new one.
• Tools Required: Multimeter, pliers.

4. Inspect and Repair EVAP System

• Sub-steps:
  1. Visually inspect all EVAP hoses for cracks or disconnections.
  2. If any hoses are damaged, replace them.
  3. Conduct a smoke test to identify any leaks in the EVAP system.
• Tools Required: Smoke machine (if available), replacement hoses.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear any stored trouble codes.
  3. Start the engine and monitor for any recurring issues.
• Tools Required: OBD-II scanner.