If you want to reduce the amount of Diesel smoke coming out of your vehicles, below are eight noticeable factors that may be able to help you do just that.

  1. Air Filter – Clean or replace your blocked or clogged air filter regularly.
  2. Exhaust Gas Recirculation (EGR) Valve (available in modern Diesel engines) – Repair or replace your bad EGR valve as and when needed.
  3. Fuel Injector Timing – Repair or replace your worn out or misaligned fuel injector. Check your central computer program too.
  4. Engine Carbon Deposits – Add fuel additive to your diesel fuel tank.
  5. Turbocharger (available in big diesel-powered vehicle) – Use a catalytic converter to help lower the emission as much as possible.
  6. Common-Rail Fuel Injection System (available in modern Diesel-powered vehicles) – Try find one which has the common-rail fuel injection system in it when you purchase a Diesel vehicle.
  7. Mass Airflow (MAF) Sensor – Repair or replace your bad MAF sensor.
  8. Fuel Additives – Combustion deposits and debris that gradually build in the cylinder chambers and fuel injectors will mix with the fuel and these:
    • Degrade the engine performance.
    • Reduce fuel economy.
    • Cause black smoke.