What will happen to the MIL in case of a system malfunction that may cause increased emissions?

The correct answer indicates that the Malfunction Indicator Lamp (MIL) will illuminate if emissions exceed 1.5 times the Federal Test Procedure (FTP) standard. This is a critical aspect of emission control systems in vehicles, as the MIL serves as a warning to drivers that the engine management system has detected an issue that could potentially result in increased emissions.

When the emissions exceed this designated threshold, it signals to the vehicle owner that the emissions control system is not functioning properly, thus alerting them to the need for immediate attention or repair. This is essential not only for maintaining vehicle performance but also for adhering to environmental regulations designed to limit pollution from motor vehicles.

In contrast, other choices do not accurately describe the function of the MIL in this scenario. For instance, while a flashing lamp might indicate different issues, it is not the standard response for emissions-related malfunctions. Similarly, the MIL does not simply turn off automatically; it is designed to provide feedback when emissions exceed acceptable limits, ensuring that drivers are informed of potential problems. Lastly, the idea that the MIL remains unchanged regardless of emissions contradicts its purpose, as it is specifically intended to indicate when there are emissions issues.