More VW engines found to have emissions cheat

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The Porsche Cayenne Diesel is one of several larger models built by Volkswagen that the EPA now says also used trickery to pass emissions tests.

It's not just the four-cylinder models. Now the EPA says VW used a similar cheat on its larger, six-cylinder diesel engines.

Two months ago, Volkswagen admitted it had used a sophisticated trick to fool emissions tests on vehicles powered by its four-cylinder diesel engine.

Now, the EPA says VW used a similar scheme to end-run testing of their larger, six-cylinder diesel. It powers luxury models such as the Porsche Cayenne and the Audi Q5.

Our car critic,

of the OC Register, has all the details, including what to expect if you own one of the emission-cheating diesel models.