With Dave Hobbs and AVI, you can learn to diagnose voltage drops in a simple and effective manner to transform frustration into profits for your shop.

Keep your diagnostic skills sharp with the diagnostic bundle. Knowing how to really track down the problem can save you a lot of time, money and headaches.

Advance your diagnostic strategies with essential hybrid A/C tips and tricks to keep not only your customers cool but the hybrid battery from overheating.

Learn every step of the A/C system repair process, from how to properly check the serpentine belts to diagnosing air conditioning pressure problems.

Have more confidence determining intermittent failures. Get an in-depth study with more tips and tricks to finding intermittent problems.

If you value your shop time, want to speed up your diagnostic time, and be able to bring more work into the service bays, check out this program!

Learn comprehensive tactics that begin at the fuel tank and extend through the injectors and into the combustion chamber.

With the cost of fuel today, gas mileage is more important to your customers than ever. Would you like to sell more fuel injection service work? AVI can help!

Reduce your diagnostic time by utilizing the tools you already have in your shop to complete a successful and efficient fix for your misfire.

MODE $06 information is not easy to come by, but AVI and instructor Jim Wilson can help you unleash the power of MODE $06 in your shop.

Two of our best instructors, Bill Fulton and Dave Hobbs, present a comprehensive overview of the diagnostics on EVAP systems.