What should be inspected when checking turbocharger systems?

When inspecting turbocharger systems, it's essential to focus on the operational integrity of the wastegate and the presence of any oil leaks. The wastegate is a critical component that regulates the engine's boost pressure by controlling the flow of exhaust gases to the turbocharger. Proper wastegate operation ensures that the turbocharger functions effectively, providing the necessary power and efficiency. If the wastegate is stuck or malfunctioning, it could lead to overboosting or underboosting, resulting in performance issues or engine damage.

Furthermore, inspecting for oil leaks is crucial because the turbocharger relies on engine oil for lubrication and cooling. Any signs of oil leaks could indicate problems such as worn seals or gaskets, which may ultimately lead to failure of the turbocharger and engine damage. Addressing these issues during inspection helps maintain the reliability and performance of the turbocharger system.

While other options mention important aspects of engine systems, they do not specifically focus on the critical operational and mechanical components of the turbocharger that are central to its functionality and health. Focusing on the wastegate and oil leaks provides a more targeted examination aligned with preserving the integrity of turbocharged performance.