why does my Porsche 911 992 (2019-Present) engine light come on after I fill up gas

Solution

1. Preparation

• Gather necessary tools and parts before beginning the repair.

2. Inspect and Replace Fuel Filler Cap

• Sub-steps:

  1. Remove the fuel filler cap.
  2. Inspect the cap for cracks or damaged seals.
  3. If damaged, replace with a new fuel filler cap.
  4. Ensure the new cap clicks securely when reinstalled.

• Tools Required: None specific.

3. EVAP System Inspection

• Sub-steps:

  1. Locate the EVAP canister and associated hoses.
  2. Visually inspect for cracks or disconnections.
  3. Use a smoke machine to test for leaks in the EVAP system.
  4. Replace any damaged components (hoses, canister, etc.).

• Tools Required: Smoke machine, basic hand tools.

4. Fuel Pressure Check

• Sub-steps:

  1. Connect a fuel pressure gauge to the fuel rail.
  2. Turn the ignition to the "ON" position without starting the engine to check the pressure.
  3. Compare the reading with manufacturer specifications (typically 50-60 psi for 911).
  4. If pressure is low, investigate the fuel pump and filter for issues.

• Tools Required: Fuel pressure gauge.

5. Clear Error Codes

• Sub-steps:

  1. Use the OBD-II scanner to clear any fault codes after repairs.
  2. Perform a test drive to ensure the engine light does not return.

• Tools Required: OBD-II scanner.