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Mitsubishi cheated on Japanese fuel economy test since 1991

By Deeq on 27 Apr 2016 in Other blogs

Attached Image Mitsubishi now says that its cheating on Japanese fuel economy tests stretches as far back as 1991. The automaker has hired an independent panel of investigators to get to the bottom of what happened, and the company will give them three months to prepare a report about the deception.

Mitsubishi's cheat involves how the company calculated driving resistance to determine fuel economy. In 1991, Japan's Road Transport Vehicle Act established a coasting test to establish the driving resistance, but Mitsubishi's engineers used their own "high-speed coasting test," according to its statement. In 2007, the company decided to only use the country's mandated evaluation, but the employees kept utilizing the high-speed test in the field. In the most recent scandal, workers selected low values for driving resistance from the results, which made the fuel economy look better.

Mitsubishi's presented these details in a report to the Ministry of Land, Infrastructure, Transport, and Tourism. "We are currently investigating the reasoning behind each of the decisions," the company said in a statement. It also hired three former prosecutors to figure out why this happened for so long. At this time, Mitsubishi only confirms the incorrect figures for some of the company's minicars, but this investigation could discover more transgressions.

This fiasco started when Nissan discovered fuel economy discrepancies in some of its Mitsubishi-made tiny kei-class cars in Japan. Mitsubishi came clean and admitted the problem affected about 625,000 vehicles in the country. Japanese media have alleged more vehicles have incorrect mileage, including the Outlander. The National Highway Traffic Safety Administration in the US has also requested data from the Japanese automaker to confirm similar deceptions didn't happen for vehicles here.

mitsubishi, fuel economy, cheat and 1 more...

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Deeq
Written by Deeq
With intense love for cars and bikes since little, and passion for photography, Siddiq tries hard to bring cars to life on the screen, proving his worth as well as his passion for the job.



  • 1
Fett Apr 27 2016 03:15 PM

No suprise, my dad Lancer EX is doing about 9km/L.

 

Spec sheet said 14-15

Pocus Apr 27 2016 09:36 PM
In Japan now. This scandal is big news here...
Watwheels Apr 27 2016 10:07 PM

The company should have folded during the 97 Asian economic downturn. Dunno where they get the money to keep it afloat.

Alpha78 Apr 28 2016 09:52 AM

No suprise, my dad Lancer EX is doing about 9km/L.

Spec sheet said 14-15


My 2.0 EX managed about 11.5km/l just before I sold it. When it was newer, it was doing 9 km/l. FC got better over 6 years.

Official FC figures given are almost never achieved. But actual FC can vary significantly as well.
Deeq Apr 28 2016 10:21 AM

In Japan now. This scandal is big news here...

Hey bro, nice to know you surfin mycarforum even in Japan !

Lethalstrike Apr 28 2016 02:24 PM

There is nothing exciting in their current lineup.

 

Maybe they should just sell off their car division to another manufacturer, just like they did with their commercial division (Fuso) to Daimler AG.

 

Coincidentally, their Fuso division is also part of a cover-up scandal back in 2004. 

  • 1
 
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