Audi announced it had “discovered irregularities in the engine management software” of Euro 6-compliant V6 diesel engines used in current A6 and A7 models and had informed the Federal Motor Transport Authority in Germany and the vehicle registration authority in Luxembourg.
It has also halted deliveries to retailers.
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Audi CEO Rupert Stadler said in a statement: “We regularly inform the Federal Motor Transport Authority about the results of our systematic engine testing programme. We report any irregularities to the authorities because full clarification is our top priority. We did so without delay also in this case.”
The irregularities were discovered during “ongoing systematic tests of diesel engine and transmission combinations,” Audi said.
“The engines involved are the V6 TDI Gen2 evo EU6 engine with a maximum output of 200kw which is used in the A6 and A7 models of generation C7, which are now being phased out.”
Around 60,000 cars worldwide are likely to be affected, Audi said, but none in the United States. It will provide a software update to the vehicle registration authorities, either in consultation with or as directed by them.
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By GlobalDataCiting German magazine Der Spiegel, Bloomberg said the A6 uses software which artificially reduces the injection of urea to extend the range of the refill tank.
