what does it mean when my Genesis G70 check engine light is flashing

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, vacuum gauge, fuel pressure gauge.
• Ensure the vehicle is parked on a level surface and the engine is cool.

2. Address Ignition System Issues

• Step 1: Remove engine cover (if applicable).
• Step 2: Disconnect the battery to prevent any electrical shorts.
• Step 3: Inspect and replace spark plugs if worn or fouled. Use OEM specifications for gap settings.
• Step 4: Verify the ignition coils; replace any that are damaged or show signs of wear.

3. Check Fuel System

• Step 1: Connect the fuel pressure gauge to the fuel rail and check for proper pressure (refer to service manual for specifications).
• Step 2: If pressure is low, inspect and replace the fuel filter if clogged.
• Step 3: Test fuel injectors for proper operation, cleaning or replacing as necessary.

4. Inspect Air Intake and Sensors

• Step 1: Check the air intake ducts and hoses for cracks or leaks, repairing or replacing as necessary.
• Step 2: Clean or replace the mass airflow sensor to ensure accurate air measurement.
• Step 3: Inspect the oxygen sensors and replace if they are malfunctioning or if codes indicate failure.

5. Verify Vacuum System

• Step 1: Use a vacuum gauge to check for leaks in the vacuum system.
• Step 2: Inspect hoses and connections, replacing any that show wear or damage.