Diesel engines used in tractors and heavy-duty vehicles now use modern rail spraying systems, commonly used in US and EU cars, but became popular in Myanmar in the late 2000s due to various circumstances. The following are the components that make up a Diesel Injection System: (1) ECU (2) Air Flow Meter (3) Fuel Pump (4) Fuel Filter (5) Lambda Sensor (6) Temperature Sensor (7) Fuel injectors (8) Idle control actuator (9) Fuel pressure regulator (10) Throttle position switch