Volvo has power, but it won't start.

There is too much carbon on the accelerator. Clean up the carbon deposit or replace the throttle. Volvo has electricity but can't start because there is too much carbon on the accelerator, which will suck the fuel, so the fuel needed by the engine can't be adequately supplied, which leads to the situation that the battery is charged but the vehicle can't start. At this time, it is necessary to clean up the carbon deposit on the throttle; If the throttle is seriously damaged, it needs to be replaced in time.