× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
DIS with a break in the plug wire.
Posted to the Waveform Library on 11/14/2001

Note that the break in the plugwire dominates the waste spark but does not dominate that same cylinder under compression. If we would have looked at compression only, we would have missed this problem.

Once current flows (spark plug fires), this break is an ...