What does OBD mean?

[StAubrey]

OBD stands for On-Board Diagnostics. Here is extended information about the reasons for the OBD warning light to illuminate: 1. The OBD warning light will illuminate when the oxygen sensor malfunctions. 2. The OBD warning light will illuminate when the three-way catalytic converter experiences leaks, blockages, damage, or reduced catalyst performance. Here is extended information about the disadvantages of OBD locators: 1. They occupy the OBD port. 2. They rely on the car's power supply to function. 3. They have a low security level and can be easily removed without any technical skills. 4. They are not suitable for lease or finance vehicles. 5. OBD devices cannot be hidden and will stop working once unplugged.