What is this intermittent issue with my Volkswagen Touran?

I have had intermittent fumes in my Touran for about two years. The local VW dealer has tried hard to fix the problem, but I am still getting fumes and have to open the windows. It typically occurs...

Fumes on start up of Ford Focus?

I have a Ford Focus 1.6 TDCi registered in 2012 with just over 85k on the clock. I've noticed lately a strong smell of engine fumes when I start the car in the morning and the evening. I don't get the...