Valve Timing Case Study: Pontiac Grand Am
In this excerpt from Dave Scaler’s complete training program ‘Base Engine Analysis,’ Dave shares a quick case study on a Pontiac Grand Am with a Quad 4 that came in with misfire DTCs. He discusses the diagnostic procedures and details of the compression test on this vehicles Quad 4. He gives some best practices and helpful hints for dealing with valve timing issues like those exhibited in this case study.
Misfire Testing with a Scan Tool
In this tip clip, instructor Jim Wilson talks about P0300 codes and misfire testing using your scan tool. He talks about how you would look at certain things such as RPM, MAP, changes in load, and long term fuel trims. He goes on to mention some things technicians should be aware of on Ford and Chrysler vehicles.
This clip is an excerpt from the 90 minute comprehensive “Functional Scanner Testing” training program with Jim Wilson, available from Automotive Video.
Checking Current Draws
In this excerpt from the ‘Victory Over Voltage Drops’ training program, instructor Dave Hobbs discusses the tools and techniques you will need to perform proper voltage drop tests by showing us several tools in use on a 2011 Equinox.
This clip is an excerpt from the 150 minute comprehensive “Victory Over Voltage Drops” training program with Dave Hobbs, available from Automotive Video.