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TDI: Measures for EA 189 Diesel Engines Presented to German Federal Motor Transport Authority

  • Next step in solving the NOx exhaust emissions issue in Europe
  • Minor hardware measures for the 1.6 TDI engines
  • 2.0 TDI engines only need a software update
  • Target: no adverse effects on fuel consumption and performance

The clarification and solution of the diesel issue is progressing. The Volkswagen Group has presented specific technical measures for the EA 189 engines affected with a displacement of 1.6 and 2.0 litres to the Federal Motor Transport Authority. This means that correction measures have been fixed for the majority of the vehicles affected. In the development of the solutions, the focus was on maximum customer-friendliness. After implementation of the technical measures, the vehicles will comply with the applicable emissions standards. The final technical solution for the 1.2-litre diesel engine will be presented to the Federal Motor Transport Authority at the end of the month and is expected to comprise a software update.

tdi-german-fix

The technical measures developed for the EA 189 diesel engines affected have been presented to the Federal Motor Transport Authority. Following an intensive examination, these measures have been ratified by the Federal Motor Transport Authority. This means that there is now clarity regarding the correction of the irregularities for the majority of vehicles affected.

  • A “flow transformer” will be fitted directly in front of the air mass sensor on the 1.6-litre EA 189 engine. This is a mesh that calms the swirled air flow in front of the air mass sensor and will thus decisively improve the measuring accuracy of the air mass sensor. The air mass sensor determines the current air mass throughput, which is a very important parameter for the engine management for an optimum combustion process. In addition, a software update will be performed on this engine. The time needed for the implementation of the technical measures is expected to be less than one hour.
  • The 2.0 litre engines will get a software update. The pure labour time for this measure will be around half an hour.

Thanks to advances in engine development and improved simulation of currents inside complex air intake systems, in combination with software optimisation geared towards this, it has been possible to produce a relatively simple and customer-friendly measure.

The objective for the development of the technical measures  is still to achieve the applicable emission targets in each case without any adverse effects on the engine output, fuel consumption and performance. However, as all model variants first have to be measured, the achievement of these targets cannot yet be finally confirmed.

Based on these technical measures accepted by the Federal Motor Transport Authority, the necessary service concepts are currently being developed for the EU28 markets concerned . The aim is to implement the required technical update in the first vehicles during a recall from January 2016. According to the current assessment, all measures in the course of the recall for all engine variants will extend over the whole calendar year 2016.

Volkswagen will ensure that the time needed to implement the technical measures is as short as possible for all customers. In addition, Volkswagen will contact all customers and endeavour to consider individual customer needs during the implementation of these measures to avoid any disadvantages for the customer such as possible curbing of their mobility. In connection with this, the Volkswagen brand will thus ensure that all customers are offered appropriate replacement mobility options free of charge.

For example, since the beginning of October, all Volkswagen customers have been able to check for themselves whether their vehicle is affected by the diesel issue. At http://ift.tt/1kTpONjevery customer can enter their vehicle identification number to obtain clear information.

With these defined measures, technical solutions are already available for the majority of all Group models affected in Europe with EA 189 engines. At the end of this month, corresponding measures will be presented to the Federal Motor Transport Authority for the 1.2-litre 3-cylinder diesel engine as well.

Based on the approach of the Volkswagen brand, the Group’s other brands – Audi, SEAT, ŠKODA and Volkswagen Commercial Vehicles – are also planning corresponding measures for their affected vehicles.

In addition, until 31 December 2016, Volkswagen AG is expressly forgoing the right to plea on the grounds of statutes of limitations in respect of any warranty or guarantee claims due to the software installed in vehicles with EA 189 engines, as long as the rights to make any such claims have not already expired. Volkswagen customers will therefore not be disadvantaged by any waiting.

One thing is certain: the vehicles remain technically safe and can therefore be driven on public roads without any limitation.

The post TDI: Measures for EA 189 Diesel Engines Presented to German Federal Motor Transport Authority appeared first on VWVortex.



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