Hi guys just looking for a bit of help ,advice I started rebuilding my td5 90 some time agothings changed an I had to put it in a friends garden anyway ave got it back now an getn stuck back in too it ave been trying to start with no success am going to put a new fuel pressure regulator on an see how tha goes but wa I’ve noticed is the speedo has gone up right round the clock as if am doing 120 mph when I’ve been turning it over am just wondering if this would reset once it’s started any advice would be appreciated thanks