What to Do When the Exhaust System Fails?
3 Answers
Engine exhaust system failure warning light is mostly caused by damage to the oxygen sensor in the three-way catalytic system or poisoning of the three-way catalytic converter due to poor fuel quality in domestic markets. If this light comes on while driving, you should immediately reduce speed and drive to the nearest maintenance service station for inspection. Extended content: 1. The three-way catalytic converter is the most important external purification device installed in the automobile exhaust system. 2. It can convert harmful gases such as CO carbon monoxide, HC hydrocarbons, and NOx nitrogen oxides emitted by automobile exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction. 3. Since this catalytic converter can simultaneously convert the three main harmful substances in exhaust gas into harmless substances, it is called a three-way catalytic converter.
Exhaust system failures are really a headache, and I've encountered them too. Common issues include corrosion holes in the exhaust pipe, cracked mufflers, or clogged and failed catalytic converters. When these problems occur, the car may produce loud noises, experience reduced power while driving, and sometimes emit a rotten egg smell or visible smoke. I recommend stopping immediately to check for safety, and never ignore minor leaks as exhaust fumes entering the cabin can be dangerous. Safety measures include opening windows for ventilation and driving at low speed to a repair shop. Avoid DIY repairs as high-temperature components can cause burns. For prevention, regularly inspect the exhaust system for rust, avoid driving through waterlogged roads in rainy weather to extend its lifespan, and drying the undercarriage after car washes can reduce corrosion issues. Last year, my old car's exhaust cracked, and after replacement, it became much quieter and more fuel-efficient.
When an exhaust system malfunction occurs, as a car owner I will remain calm and prioritize safety. First, I'll check if any warning lights illuminate on the dashboard, such as a flashing engine light. Then I'll park and turn off the engine to inspect the exhaust pipe area for visible damage or leaks, being careful not to touch it with bare hands. Common causes include pipe deformation from impact or a clogged catalytic converter. I'll contact a nearby auto repair shop to schedule an inspection, as they have professional diagnostic equipment to identify the specific issue. Repairs may involve component replacement, but timely attention can prevent greater losses like increased engine load or emissions violation fines. During regular driving, I avoid potholes to minimize vibration damage, and have technicians inspect the exhaust system during quarterly maintenance to detect problems early.
