What causes the JMC SVS light to come on and the diesel engine to lose power?

[MacCorbin]

The SVS light in a car is similar to the engine malfunction light. When the SVS indicator lights up, it indicates that the engine control unit has detected an erroneous signal from a sensor or that it has exceeded the standard usage limits. Below is relevant information: 1. Possible faults that may cause the car's SVS light to come on include: Poor engine combustion state; engine knocking; poor fuel quality; unclean engine cylinder interiors with accumulated carbon deposits; the electronic control unit being unable to retrieve engine data. 2. Solutions for when the SVS light comes on: You can try starting the engine. If it fails to start, it could be due to an abnormal fuel pump that cannot supply fuel to the engine properly. If the engine still starts, it might be another sensor malfunction. In this case, the car may still be drivable, but the fault could potentially affect the vehicle's normal operation, such as increased fuel consumption or body shaking. It is recommended to have it checked at a repair shop as soon as possible.