why does my Porsche 911 992's engine light stay on

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Ensure the vehicle is on a level surface for safety.

2. Retrieve Error Codes

• Use the OBD-II scanner to connect to the vehicle's diagnostic port.
• Record any trouble codes that are present and refer to the manufacturer’s diagnostic manual for specific information.

3. Inspect and Repair Components

A. Fuel Cap Inspection

• Check for cracks or damage to the fuel cap.
• Replace if necessary.

B. Oil Level Check

• Remove the dipstick and wipe it clean.
• Reinsert the dipstick and check the oil level; add oil if low, ensuring the correct type is used.

C. Air Intake Inspection

• Visually inspect the air intake hoses for cracks or loose connections.
• Replace or tighten as needed.

D. Spark Plug and Ignition Coil Check

• Remove the spark plug wires carefully.
• Inspect the spark plugs for carbon buildup or wear, replace if necessary.
• Check ignition coils for cracks or signs of wear, replacing any faulty components.

4. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear any stored codes.
• Start the engine and observe if the check engine light remains off.