Posted to the Waveform Library on 8/11/2003

ch1- cam signal. ch2- crank signal. ch3- ic(coil firing signal) for cyl#1. ch4- current ramp, all coils. What you see here is the complete loss of coil ramps for cylinders #'s 2 and 3. I don't have it stored, but I captured the failure occuring with one scope ...