Operating a vehicle with a malfunctioning emissions control component can lead to several issues. A damaged unit may restrict exhaust flow, reducing engine performance and fuel efficiency. Furthermore, it may fail to convert harmful pollutants into less toxic substances, resulting in increased tailpipe emissions and potential legal consequences depending on local regulations. For instance, a noticeably loud or rattling exhaust, reduced acceleration, or a sulfur-like odor may indicate such a problem.
Proper emissions control is crucial for environmental protection and public health. Regulations mandating these components have significantly reduced air pollution from vehicles over the past several decades. Ensuring proper function contributes to cleaner air and helps vehicles meet required emissions standards. Ignoring a faulty component can lead to costly repairs down the line and potentially invalidate vehicle inspections.