What does it mean when the EDC warning light comes on in a diesel vehicle?

[McManuel]

EDC (Electric Diesel Control) refers to the electronic control of diesel injection. When the EDC engine warning light comes on in a truck, fuel consumption may increase. This is usually caused by damage to the engine's high-voltage circuit, fuel injectors, or oxygen sensors. It is recommended to promptly visit a 4S shop for inspection and repair. Here are the reasons why the EDC warning light may come on in a diesel vehicle: 1. The EDC light indicates an engine circuit fault. This is often caused by repairs to the starter motor. Since the starter motor has a loopback system, many repair technicians replace it with an older starter switch that lacks this system. As a result, the computer detects a fault, although it does not affect the vehicle's operation. 2. There are many reasons why the EPC light may come on in a truck, including severe carbon buildup in the throttle body, excessively high engine temperature, faults in the vehicle's intake system, or ECU malfunctions. 3. Owners can check whether the throttle body has excessive carbon buildup, whether the fuel pump is functioning normally, or whether the fuel filter is clogged.