I have a Generac 4000EXL that’s a couple of years old. we am informed with engines, so we gave it a tuneup, though something contingency be wrong with a electronics. If we try to run in Idle Control mode, it shuts off instantly. If we let it run in non-idle control, it pulsates in between resting as well as full energy at a rate of ~60Hz. I’m meditative it might be a Drive Module Power Regulator, though wish to be certain prior to we outlay a . A couple to a primer is here: http://www.generac-portables.com/data/pdf_files/IPL/01645_0partslistCw.pdf Any assistance would be severely appreciated!!