French automaker Renault on Friday said it would cooperate fully in a government probe into emissions cheating that has rocked the European car industry.

Renault is "totally determined to cooperate ... we are ready to open everything," Renault boss Carlos Ghosn told AFP at the Paris car show, adding that it was "necessary to restablish trust."

French Environment Minister Segolene Royal last year launched a probe into emissions cheating, a year after Volkswagen admitted to fitting 11 million cars with software designed to fool emissions tests in off-road conditions.

In preliminary findings published in July the commission did not rule out that other carmakers were also guilty of using cheating software.

Renault moved into the spotlight when the Financial Times quoted members of the inquiry team as saying that the report "omitted significant details", and suspected that the inquiry was too lenient on Renault because of the government's 20 percent stake in the carmaker.

Royal denied the report, and said last week that additional tests were under way to try to ensure that manufacturers cannot 'game' or rig testing results.

Ghosn said that gaming ran "against the interest of carmakers" and said he hoped the European Automobile Manufacturers' Association ACEA would lay down rules as the industry needs "undiscutable measurements".

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