× 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
2007 Ford 5.4 misfires
Posted to the Waveform Library on 3/18/2018

Brake torque CH A COP primary voltage showing that the spark is arcing from the spark plug's center terminal to the plug's ground terminal, to ignite the air fuel mixture, CH B shows a COP where the spark is not jumping the plug gap