Fuel consumption at idle

According to the definition of the dictionary mode of operationdevice, when there is no load, is called idling. For the car, idle mode means that the car is stationary, but the engine is running. For example, when boarding and disembarking passengers. Naturally, a running engine consumes fuel. And what will be the fuel consumption at idle?

The operation of the engine always begins with the modeidling (h.x.). This mode allows you to evaluate the quality of the motor. The main criterion for its evaluation will be fuel consumption at idle. In this mode, the energy received by the combustion of fuel is expended only on the motor itself.

It is necessary to recognize that to estimate the fuel consumptionThe task is quite difficult. There are too many factors affecting this action. For example, what type of engine? Carburettor or injector? With different motors, fuel consumption and factors influencing it will differ.

When asked how to calculate fuel consumption, you canadvise you to use one of two practical techniques. In the first case, you have to drive until the fuel tank is completely emptied, so the car stalls. Then you need to pour a certain amount of gasoline, for example, from a container with a capacity of 10 liters, pour the contents into the tank. Ride on this amount of gasoline is necessary until the engine again stalls. And after that, dividing 10 liters by the number of kilometers traveled, we get the desired value.

Another way is to fill the fuel tankon the cork and drive as much as possible after this refueling, given the mileage traveled. Then add the gasoline to the same level as the one at the beginning of the trip from the measuring container, for example, from the canister. before the traffic jam. And determine how many liters of fuel had to be refilled. That's the amount that had to be added, it is necessary to divide by the kilometers passed - you will get a gasoline consumption.

However, it is necessary to correctly estimate theresults. In many respects they concern not only the work of the engine, but also various accompanying effects. So, if the car is new, then the engine is unworked and on the first ten thousand kilometers it will be run-in. Details of the engine of the car will be rubbed against each other, and the engine will consume more fuel. This is normal, and there's nothing to worry about.

The condition of the road surface also affects fuel consumption. When driving on dry asphalt it will be one value, when driving on fresh snow it will be much larger.

Therefore, it is best to evaluate the motor withwork at idle. In the event that the turnovers x. more than 1000, this indicates some malfunctions or malfunctions in the car. It is necessary to search for and fix the defect or adjust the motor. Another indicator, allowing to evaluate the performance of the engine, will be fuel consumption at idle.

Determine this expense is very difficult, because there is nothing to compare. Evaluate it in practice, usually in liters per hour; For "Zhiguli" the value obtained practically is about one liter per hour.

It is best to estimate fuel consumption at idlecourse and the work of the motor itself, as already noted above, on idle speed. Let and indirectly, but objectively. When the engine is running normally and the serviceable components and sensors of the machine, the value should be 800-1000 rpm. Deviations from this value will indicate a malfunction in the vehicle.

In the presented material the modework without load the car engine. A mode of operation, called idling, is defined and described. The definition and methods for measuring fuel consumption are given both in normal driving mode and idle.