If the spark plugs have a matte black or grey appearance, it could be carbon fouling —something typically caused by a fuel mixture that is too rich. In this video, we look at how to interpret spark plug electrode and insulators appearance to diagnose fuel conditions. Approx. Course Time: 5 minutes Sponsored By:
Internal coolant leaks can foul a spark plug and cause a misfire. The problem could be a leaking intake manifold or a head gasket. In this module, we cover how the appearance of a spark plug changes when coolant is leaking into the combustion chamber. Approx. Course Time: 5 minutes Sponsored By:
This course covers all aspects of vehicle filtration and is designed to teach the basics of the need for, design and functionality of today’s engine air filtration, cabin air filtration and engine oil filtration systems and components. Learn the important role that air filtration has on reducing engine wear and maximizing fuel efficiency and horsepower; …
