Answer
Apr 22, 2024 - 01:30 PM
Hi there,
Based on the details you have shared, service soon light, reduced power warning, the smell of rotten eggs (sulfur), and black smoke from your exhaust. Here are the possible causes of the problems you are experiencing:
1. A faulty catalytic converter. The smell of sulfur, or what it is usually called "rotten egg smell", and black smoke from the exhaust are signs of a bad catalytic converter. It causes poor engine performance, reduced power, and increased emissions.
2. Engine misfire. A misfiring engine causes black smoke from the exhaust. It caused various issues, such as a bad spark plug, faulty ignition coils, and fuel delivery issues.
3. EGR or PCV valve failure. Failure of these parts can cause drivability issues and increased emissions.
4. Fuel system issues. A clogged fuel filter or bad fuel pressure regulator can affect engine performance and emissions. It is best to have your vehicle checked for proper diagnostic and troubleshooting to be done accordingly.
Click this link for more specific details about this problem (strong exhaust smell) from our Auto Repair 101 blog online resource. I hope this helps!
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