How to Deal with Excessive Car Exhaust Emissions?

1 Answers
JosephDella
07/30/25 10:19am
Methods for handling excessive car exhaust emissions are as follows: Clean or Replace the Three-Way Catalytic Converter: The three-way catalytic converter is a major factor affecting excessive car exhaust emissions. In many cases, excessive emissions are caused by issues with the three-way catalytic converter. The function of the three-way catalytic converter is to oxidize CH and CO into carbon dioxide and H2O. If the three-way catalytic converter malfunctions, passing the exhaust emission test becomes difficult. Common issues with the catalytic converter include carbon buildup, clogging, poisoning, or failure. Cleaning the catalytic converter can resolve some problems, but if it is poisoned or damaged, timely replacement is necessary. Clean or Replace Spark Plugs: Faulty spark plugs can also lead to excessive exhaust emissions. The most common issue with spark plugs is carbon buildup, which can be cleaned using sandpaper or a cleaning agent. If the spark plugs fail due to erosion or reaching the end of their lifespan, they should be replaced immediately to avoid affecting normal vehicle operation. Check the Oxygen Sensor: When the car's oxygen sensor is clogged with carbon or malfunctions, it can affect the ECU's ability to properly regulate the air-fuel mixture and may also impact the performance of the three-way catalytic converter. It is recommended to clean the oxygen sensor and the catalytic converter simultaneously. Perform a Deep Engine Clean: After detecting excessive exhaust emissions, a thorough engine cleaning—including the throttle body, fuel system, intake manifold, and fuel injectors—can help restore the engine to normal operation. Methods for Detecting Excessive Car Exhaust Emissions: Radar Detection: Directly determines whether emissions exceed standards by analyzing the detection zone on the radar. Remote Sensing Detection: Uses remote sensing devices to measure emissions, with results displayed on the equipment screen. Electronic Capture: Utilizes traffic cameras to capture data. Manual Inspection: Conducted by traffic police during roadside checks, offering flexibility. Preventive Measures Against Excessive Emissions: Regularly maintain vehicle components, especially fuel injectors, oxygen sensors, and the three-way catalytic converter. Use high-quality fuel. Adhere to scheduled maintenance and maintain good driving habits during daily use.
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