Ignition and EGR Testing Tip Clip
Using scope patterns, Jim Wilson discusses and demonstrates a procedure for diagnosing EGR related misfire issues by examining scope patterns of the different cylinders.

Data Bus Case Study – Malibu
In this tip clip case study instructor Dave Hobbs presents the case study of a 2004 Malibu with a no start condition. Diagnostics later revealed a short in the radio causing the rest of the components on that bus to be unable to communicate. In this Tip Clip Dave gives some helpful info on diagnosing these types of interconnected problems.
