why does my Genesis G70 IG (2017-2023) check engine light keep coming on

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the battery to prevent electrical shorts.

2. Address Error Codes

• Tools Required: OBD-II scanner
• Connect the scanner to the OBD-II port and record any error codes.
• Research the codes to identify the underlying issues (e.g., P0420 for catalytic converter efficiency).

3. Replace Faulty Components

• Tools Required: Socket set, torque wrench
• Based on the error codes, replace the identified faulty components (e.g., spark plugs, ignition coils, or oxygen sensors).
• Follow manufacturer specifications for torque values when reassembling components.

4. Inspect and Clear Codes

• Clear the error codes using the OBD-II scanner after repairs are made.
• Reconnect the battery and start the engine to check that the check engine light does not re-illuminate.

5. Test Drive

• Conduct a test drive to monitor engine performance and ensure the check engine light remains off.