To update parameters of fuel consumption math, use the command unit/update_fuel_math_params:
svc=unit/update_fuel_math_params¶ms={"itemId":<long>, "idling":<double>, "urban":<double>, "suburban":<double>, "loadCoef":<double>}
| Name | Description | 
|---|---|
| itemId | unit ID | 
| idling | idling, litres per hour | 
| urban | urban cycle, litres per 100 km | 
| suburban | suburban cycle, litres per 100 km | 
| loadCoef | coefficient when moving under load | 
{} /* empty object if execution successful, if not - error code */