Case Dieselgate: how the revisions will affect the reliability of the TDI engines?

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The Volkswagen Group has already rectified 1.23 million vehicles equipped with TDI engines of the family EA189, and are 8.5 million in Europe. These engines contain the programming hides that allowed them to pass the tests of approval of a clean, and in the rest of situations emit many nitrogen oxides to the atmosphere.

The technical justification for this deception was to reduce the stress on the mechanical and exhaust systems. On other occasions we have denounced, so that the diesel engines are clean to the maximum should work in conditions that may be not desirable temperature, humidity, fuel consumption high, etc

In the European Commission there are fears that the engines ground to end up giving you trouble with time, as they will work in conditions more stressful. The european body requires the manufacturer to give a warranty on those repairs, and whether legally binding, as reported by Der Spiegel.

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The modifications have been approved by the competent body, the KBA of Germany, that has proven that does not change the fuel consumption of the engines, and that, in principle, does not pose a problem. The question is what will happen in the long term.

A spokesman for Volkswagen has been protected in that, having such support, it is not necessary to give a binding assurance. In other words, they are draining the lump. If you did not have no doubt about the effectiveness of such programming, could ensure the repairs without problems.

In the case of engines 1.2 TDI CR and 2.0 TDI CR is not just a programming of the ecu, which changes the way of working of the engine. In the 1.6 TDI CR, in addition, you need to put a filter on the intake. Volkswagen has ensured that will not change for the worse the fuel consumption, or reliability. But in these statements there is fishy, or you have to have.

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air Filter in the intake for the engines 1.6 TDI CR

If it was so easy to make the engines contaminating less, something that was not achieved in several years of development, why it has managed in a few months? On the other hand, if you do not change the fuel consumption or the reliability, how the engines were polluting solely to annoy? Someone has to shed a little light on this.

Not only does Volkswagen have allowed their engines pollute more in order to avoid reliability problems. Virtually all of his competitors temporarily disabled their systems, anti-pollution in some conditions with the objective not to stress the components. In some cases we’re talking about the exception, and in the other we speak of the norm.

however, that last one is legal: that is turned off controls anti-pollution under certain circumstances, even if it is 95% of the time. What is not legal is what made Volkswagen, systems anti-pollution only work properly while you are undergoing a standardized test of approval. In Europe, for the moment the consequences are a call to mandatory review, nothing more.

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Der Spiegel quote that the laboratory emission Sailing, the north of Italy, believes that the modifications will affect the engine badly. This is the reason that most frightens the owners of the nearly 8.5 million Volkswagen, Audi, SEAT and Skoda with the schedules tricky.

In just a few weeks, Volkswagen and its brands have rectified 500,000 units, it is expected that the process of call review is completed next year. At this stage of the year have to start to be called to the 1.6 TDI for rescheduling and inserting the filter, which improves the accuracy of the probe in air.

While in Europe, Volkswagen will not compensate any customer unless we force the courts -as has happened recently in Spain – the united States has reached an agreement with the courts to resolve the problem by 16.700 billion dollars (and only for the four cylinder engines). community legislation is not as solid as in the u.s., and here each country has to make war on its own.