Tech Videos Archives - Page 4 of 4 - UnderhoodService
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.

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.

Ford Electronic Returnless Fuel Systems

In this tip clip excerpt from the complete Fuel System Testing Strategies, class instructor Bill Fulton talks about the Ford Electronic Returnless Fuel systems and how to perform tests on this system using your DSO. He shows us the parameters to watch out for on your scope and how to interpret the info you see.

This clip is an excerpt from the 135 minute comprehensive “Fuel System Testing Strategies” training program with Bill Fulton, available from Automotive Video.

Pressure Transducer Case Study: 2002 Explorer 4.0L

Instructor John Thornton presents this in depth comprehensive case study of a 2002 Ford Explorer 4.0L vin E with a misfire at idle speed. John details the use of his scope and pressure transducer to perform a cranking compression test and goes on to point out the various indicators you should be watching your scope pattern for and how to identify problems.

This clip is an excerpt from the 270 minute comprehensive “In Cylinder Pressure Transducer Diagnostics” training program with Dave Hobbs, available from Automotive Video.

Multimeters and Safety Equipment in Hybrid Vehicles

Orange cables in hybrid vehicles means SAFETY SAFETY SAFETY. In this Tip Clip instructor Dave Hobbs gives us instruction and insight on what to look for in safety equipment and multimeters for use in Hybrid applications.

This clip is an excerpt from the 150 minute comprehensive “Maximizing Your Multimeter & Testing Electrical Circuits” training program with Dave Hobbs, available from Automotive Video. Get More Info Today!

CAN Data: Class-2 Loop Configuration Tip

Check out this technical tip clip on CAN Data with Dave Hobbs. In this clip Dave talks about Class 2 layouts, specifically the ‘loop configuration’ systems. He breaks down the layout of theses systems in an easy to understand manner and talks about how the modules communicate on this type of system as well as how they are electrically wired.

This clip is an excerpt from the comprehensive “FRED Kicks the CAN” training program with Dave Hobbs, coming soon 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.