Hi Evan, in the entire process of tuning a Y62 Patrol. Gross alterations to any in the timing maps appear to help make zero variance to real spark progress. Also, when will tire measurement correction be readily available. @Bill, I am getting a problem with my MPVI3 connecting to my https://hp-printer-drivers03681.tblogz.com/indicators-on-hp-laserjet-printer-1020-you-should-know-51140137