What is the situation when the OBD light is on and the diesel vehicle lacks power?
1 Answers
The OBD light in a diesel vehicle is the engine malfunction indicator light. When the OBD light is on, it indicates that the vehicle's emissions exceed standards or there is an engine malfunction. After a fault occurs, the computer will limit the engine speed, so there will be no response when accelerating. Additional information: How the OBD light works: OBD stands for On-Board Diagnostics, which translates to "on-board automatic diagnostic system" in Chinese. This system continuously monitors the engine's operating conditions to check if the vehicle's emissions exceed standards. If they do, it will issue an immediate warning. When a system fault occurs, the Malfunction Indicator Lamp (MIL) or Check Engine warning light will illuminate, and the Powertrain Control Module (PCM) will store the fault information in memory. The fault code can be read from the PCM through a specific procedure. Based on the fault code, maintenance personnel can quickly and accurately determine the nature and location of the fault.