It's been a while now for me, but I seem to remember using the injector balance test in GDS2, especially on V8 trucks. I'd get readings like 44.2, 43.4, 43.8 and 44.6 for the left bank and 38.1, 37.3, 33.2 and 39.7 on the right bank. Bingo, i... Login to read more.