why does my Honda Accord's exhaust smell like rotten eggs

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the parking brake is engaged.
• Disconnect the battery to prevent electrical shock.

2. Replace Faulty Catalytic Converter

• Tools Required: Socket set, torque wrench, jack stands.
• Sub-steps:
  1. Raise the vehicle using a jack and secure it on jack stands.
  2. Locate the catalytic converter in the exhaust system.
  3. Remove the bolts securing the catalytic converter to the exhaust manifold and the exhaust pipe using the socket set.
  4. Carefully detach the catalytic converter from the exhaust system.
  5. Install the new catalytic converter in the reverse order, ensuring all bolts are tightened to the manufacturer's torque specifications.

3. Address Fuel System Issues

• Tools Required: Fuel pressure gauge, OBD-II scanner.
• Sub-steps:
  1. Check the fuel pressure using the fuel pressure gauge to ensure it is within the manufacturer's specifications.
  2. If pressure is high, inspect the fuel pressure regulator and replace if necessary.
  3. Inspect and clean or replace the fuel injectors if they are clogged or malfunctioning.

4. Replace Oxygen Sensors (if necessary)

• Tools Required: O2 sensor socket, ratchet, torque wrench.
• Sub-steps:
  1. Locate the upstream and downstream oxygen sensors in the exhaust system.
  2. Remove the sensors using the O2 sensor socket.
  3. Install new oxygen sensors, ensuring to torque them to the specified values.