OBD II systems are highly efficient and only illuminate the malfunction indicator light (MIL) when an emissions failure has occurred that will raise emission levels 50 percent above the FTP levels.

Question

Quizplus · Accepted Answer

OBD II systems are designed to monitor the performance of emission control systems and illuminate the malfunction indicator light (MIL) when a fault is detected that could increase emissions by 50 percent above the Federal Test Procedure (FTP) standards, ensuring vehicles meet emissions requirements.

OBD II Systems Are Highly Efficient and Only Illuminate the Malfunction