What type of leaks are commonly checked during an exhaust system inspection?

During an exhaust system inspection, the primary concern is often with gas leaks. The exhaust system is responsible for directing combustion gases away from the engine and out of the vehicle. The presence of gas leaks can indicate issues that may arise due to rust, corrosion, damaged connections, or worn-out gaskets within the exhaust system. Identifying gas leaks is crucial not only for maintaining engine efficiency and performance but also for ensuring safety. Leaking exhaust gases can lead to the entry of harmful carbon monoxide into the passenger cabin, posing significant health risks.

While fluid, air, and oil leaks can also be important to inspect in different contexts, they are not the primary focus of an exhaust system inspection. Fluid leaks typically relate to other vehicle systems such as coolant or transmission fluid. Air leaks might refer more to intake systems rather than the exhaust. Similarly, oil leaks are often addressed separately in the context of engine lubrication and not directly connected to the exhaust system functionality. Therefore, recognizing gas leaks in an exhaust system is a critical aspect of ensuring the overall safety and efficiency of the vehicle's operation.