The factory wires could cause problems like this but they would all or the majority of them would be out of tolerance. Try testing them after checking for an intake leak or even run the engine at night while looking under the hood to see if the electricity is arcing or causing the wires to appear to glow.
I live off of W. 20th... I guess sometimes it is a small world after all.
Troy
I live off of W. 20th... I guess sometimes it is a small world after all.
Troy