Published: Thu, August 09, 2018
Finance | By Claude Patterson

Mazda, Suzuki cheated on mileage and emissions tests: Nikkei

Mazda, Suzuki cheated on mileage and emissions tests: Nikkei

The results came to light after the government had ordered the automakers to check their operations after revelations of improper testing at Subaru Corp and Nissan Motor Co previous year.

In a major blow to the Japanese carmaker, Suzuki Motor announced that the company used improper fuel economy and emissions tests on its vehicles in Japan.

The report is the latest episode in a growing list of data falsifications in Japan that has tarnished the image of the country's manufacturing industry, known for high-quality, efficient production.

All three have already complied with a request by the Japanese Ministry of Land, Infrastructure, Transport and Tourism (MLIT) to conduct investigations into the matter.

The automakers examined tests they had conducted over different periods of time and in Suzuki's case they stretched back to 2012.

"It is a significant fact that such a large number of our products were improperly processed, and we take it seriously", Suzuki said during a press conference.

Mazda Motor Corp. and Yamaha Motor Co. have admitted using falsified emissions data to inspect their new vehicles in a product quality scandal in Japan's auto industry.

The companies admitted incomplete emissions tests were done on some of its vehicles, but their officials certified the results as though the tests had been administered fully.

Mazda said there were irregularities in 4 percent of similar inspections on its cars, or just over 70 vehicles.

Yamaha also confirmed it carried out inappropriate testing and apologized. "The ministry will strictly instruct the carmakers to make sure thorough preventive measures are taken", transport minister Keiichi Ishii said in a released statement.

Suzuki and Yamaha shares fell 6 and 5 percent, respectively, and Mazda shares were down 1 percent, underperforming a steady benchmark Nikkei average.

In July, Nissan admitted data on exhaust emissions and fuel economy had been "altered" for some of its vehicles, and past year the firm was forced to recall more than a million vehicles after admitting staff without proper authorisation had carried out some inspections.

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