Originally Posted by Ænema
I know certain 07 DMEs have been known to fail causing misfire issues. I don't know if that is what's happening here but you're getting no boost rather than misfires. It just seems impossible to have 0 boost and not be thtrowing a 30FF code.
Did he give you ANY codes that the car was throwing or explain how he came to that conclusion?
could need plugs and have a boost leak