LT +15 and ST -4 at idle, LT +4 and ST 0 at 2500 rpm-nuetral, LT and ST hovering at 0 steady cruise. Did a motorvac for 45 mins this morning also. Amp clamp on #1 and #4 injectors at 1 amp and clean pattern. Cylinder contribution at #1 is 17%. This is an inter... Login to read more.