Important notice from mechanics: it affects millions of drivers

There is possibly nothing more satisfying than driving on a road empty of vehicles: we put on our favorite music or a good radio station or patiently drive…On the contrary, there is nothing more stressful than driving in the middle of the city, or a highway full of cars.

According to data from the General Directorate of Traffic (DGT), excessive speed was behind more than 6,000 accidents in 2009, of which almost 300 ended in fatalities.

It is true that driving very fast at the wheel continues to be one of the main causes of accidents when we find ourselves driving a vehicle, the truth is that going very slowly (or very relaxed) can also end up being counterproductive.

  1. Why can it be dangerous to drive too slowly?
    1. Why is it good to 'press' the accelerator every now and then?
  2. That's all you have to consider
    1. Watch out for the particulate filter

Why can it be dangerous to drive too slowly?

It is true that driving slowly, without exceeding the speed, is always much safer. To which we must add another equally important added advantage: it helps to save fuel.

However, driving very slowly can be negative for the operation of our vehicle. Because? Because it can increase the risk of certain breakdowns in our car.

Photo of some parked cars.

| Getty Images

As many experts state, it is appropriate press the accelerator of our vehicle every so often as it will help improve the car's performance, especially in the long run.

But that doesn't mean breaking the rules of the road. On the contrary, it is only appropriate to do it punctually on those roads (or motorways) where the speed does allow it. This way we avoid possible traffic fines.

And it also carries its own risks: if we have the habit of driving at 80 on the highway and 20 or 30 in the city... there is an obvious risk that the vehicle will produce a greater amount of soot than usual, and that this, moreover, will not burn (or not burning properly).

Why is it good to 'press' the accelerator every now and then?

According to experts, to drive more economically, you need to drive calmly. In other words, without much acceleration and respecting the different speed rules.

Specifically, for vehicles with a manual gearbox, the ideal is to change gears before 2,000 rpm for a diesel engine and before 2,500 rpm for a petrol engine.

In this sense, we can take advantage of the vehicle's momentum as an effective way to reduce fuel consumption, but driving in neutral is not an advisable option.

It is always essential to respect the speed limits when driving

| Getty Images

As it is advisable to avoid downshifting too quickly. Moreover, pressing the throttle punctually and occasionally helps the engine to de-clutter.

That's all you have to consider

Why can our vehicle be damaged or burn less soot than it generates when we are in the habit of driving very slowly? Basically because they occur errors related to the lubrication of the car, for example, an excess of soot can clog the turbo, thereby limiting its optimal operation.

It can also happen due to other basic factors that we should know at all times, such as the quality of the oil, a larger quantity than necessary, or even defects in it.

Watch out for the particulate filter

As we can imagine, when we tend to always drive at a very low speed, the particle filter is one of the components of our vehicle that can be damaged more quickly.

Because? Because, as we have seen, a usually medium or low speed tends to cause the combustion to produce a greater amount of soot than normal, and that, moreover, it does not burn as it should.

Also, driving slower can also cause problems with the clutches, as it must be continuously changing gears (especially first, second and third).

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