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Why does my car use a lot of gasoline?


Why does my car use a lot of gasoline?

Check the following aspects.

The consumption of a car is something very important, especially taking into account the prices of both gasoline and diesel that we drive today. That’s why discovering that spending suddenly starts to be higher than normal raises concern. If you ask yourself “why does my car use a lot of gasoline?”, we help you find the answers.

The first thing you have to keep in mind is that not all cars spend the same and what for one is a lot of expense for another may be standard. That is why you should only worry if there is a sudden change in the vehicle’s fuel consumption, which, for no apparent reason, is higher than usual.

You must also be clear that this can derive from three main reasons: the type of driving you do, breakdowns in the mechanical section and leaks.

The first is the most obvious and the only one on which you have a direct impact: it is up to you to drive aggressively and spend more fuel or to drive much more efficiently and relaxed. You know if you do one or the other, so it shouldn’t take you by surprise.

In addition, consumption also depends on what circumstances you drive. It is normal that the consumption during a tank that you have used on vacation, doing kilometers on the motorway, is much lower than that of another in which you have only driven around the city.

You also have to take these related factors into account: if you drive with less pressure than you should on the wheels, consumption increases; and the same happens if you are more loaded than necessary (clean the trunk from time to time).

As we have said, so far it is up to you to regulate fuel consumption, we are going to focus on factors external to you that may be causing your car to use up a lot of gasoline when it should not be.


It is the simplest explanation of why more fuel is spent than usual: simply a leak is causing it to be lost.

The most serious thing is that there is a hole in the tank, in which case the loss of fuel would be really pronounced, but it is also possible that it has porosity, which will cause it to leak little by little, which in the long run will also be a problem. fuel expense.

There are other elements that, if they are in poor condition, can cause it to be lost: valves, pipes… and even the tank cap. If it does not close well and make it a tight stay, the gasoline will gradually evaporate, wasting part of what you have refueled.

Bad parts of the car

This section goes in the same direction as low pressure wheels, but here we refer to elements of the car’s mechanical system. There are multiple parts that, due to not having proper maintenance, can negatively affect the operation of the car and cause consumption to increase.

The air filter is an example of a simple and cheap element that, if dirty, obstructs the passage of oxygen to the engine, making it more difficult for it to work and increasing fuel consumption.

Another very significant case is that of the spark plugs, which are responsible for igniting the spark that produces combustion. When they do not work as they should (for example, due to wear), the ignition is not adequate, gasoline is wasted in the process and also lowers the performance of the engine.

Oil changes are a routine procedure that many drivers take longer than they should, a bad idea, since old oil reduces internal engine friction less, something that affects fuel consumption.

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