Situations like that can sometimes overlap with climate control problems rather than a single isolated fault. I’ve seen cases where people thought the AC not working was the main issue, but later found that exhaust components played a role. While looking into similar cases, I came across
https://www.vip-servicecenter.com/se...haust-services , which explains how exhaust checks are part of a broader vehicle inspection. That made it clearer why symptoms such as AC blowing warm air, weak airflow from car vents, or AC smells bad might appear when gases or heat are not managed correctly.