i had one that ate my lunch,,, low power, white smoke under load,, ran power palance, missing on 3 to 4 cylinders, erratic, fleet truck, changed 3 injector on warrenty and customer paid for the rest of them,,, 300 miles later,,, yep, it was back,, same thing,,, missing on #1 and #3,, could we have gotten 2 bad injectors,, maybe,,, kept it a few days after replacing 1 and 3,,it then started missing on #5,,,WTF,,, rev it up to see if it clear,,, it then started to miss on #7,,, i had already checked all the basics, fuel, air, sync,,presure at the heads,,,forgot what i was checking next, but forgot to reconnect ICP,,, it stoped missing,, IDS readings of ICP where all good,, so i plugged it back in and the truck was running good,, until wot,, then injectors started droping out again,,, in order 1,3,5,7,,, called hotline,,, and was told that ICP was acting as capacitor and discharging thru the oil and knocking out the injectors,,, first on me,,, go figger