My girlfriend is having issues with her '90 Volkswagen Jetta diesel. It starts really hard in the mornings. It will turn over just fine. After a few tries to start it, it will start sputtering. After a few more tries it eventually starts. It starts fine the rest of the day, but only does this after it sits a while. Any ideas? Second question. Do any of you know of any trustworthy deisel or volkswagen mechanics in the Portland area?