Got the tune-up package from John Hervey. I installed the Bosch Platinum +4 plugs. You can see a pic of it here: http://www.specialtauto.com/images/boschtuneupkit.jpg I'm going to work on the electrical connection to the vacuum solenoid when I get home and see it this remedies the problem. >Where did you get your parts, and what plugs did you use? > >Andy > >Soma576@xxxx >1982 DeLorean DMC-12 VIN#11596 >Fargo, ND 58102