What Causes Excessive Engine Exhaust?

[McRose]

Excessive engine exhaust can be caused by: 1. Blocked intake system; 2. Excessive engine carbon deposits; 3. Failed catalytic converter; 4. Faulty oxygen sensor. An engine is a machine that converts other forms of energy into mechanical energy, categorized into internal combustion engines, external combustion engines, gas turbines, and jet engines. Engine maintenance methods include: 1. Using high-quality engine oil; 2. Using qualified coolant; 3. Regularly cleaning radiator scale; 4. Periodically removing carbon deposits from the car; 5. Timely replacement of the car's three filters; 6. Maintaining reasonable engine speed. The engine cleaning method involves: 1. Parking the vehicle in a dust-free area; 2. Using compressed air or a vacuum cleaner to blow the engine; 3. Wiping off dust with a semi-dry cloth; 4. Opening the engine hood to air dry.