Mode 06 Diagnosis

One of the keys to understanding Mode $06, or getting the most out of your scan tool, is to understand what the different modes are and how they are used. How many modes are there? There are 9 modes of scan tool operation. Many technicians have been using 4 or 5 modes for 20 years. Each of the 9 modes… Read More

Emissions System Diagnosis

The link between vehicle emis­sions and air pollution was first identified by studies that began in California during the early 1940s. By the end of that decade, research­ers determined that the smog above California’s Los Angeles Basin was the result of hydrocarbon and oxides of nitrogen emissions from motor vehicles . As automobile manufactur­ers looked into isolating the source of… Read More