Dynamic Duo of Diagnostics: Smoke tester and Scan Tools, with Dave Hobbs. Watch Now.
Sometimes techs under think and just hook up their smoke machine to the evap test port and ‘let her rip’ (maybe closing the vent solenoid) and other techs over think by trying to use their scan tool to run all sorts of tests watching the tank pressure sensor while ignoring the smoke machine. In this video clip, watch Dave explain the right combination of scan tool and smoke machine usage to find the source of your evap leak.
By Dave Hobbs. GM truck tire size changes and calibrations. As American car and truck enthusiasts mourn the crazy economic conditions that have caused icons like Pontiac and GMC to go into the annuls of history, I suspect we will ‘Keep on truckin’ as the saying goes and continue our love affair with cars and trucks and with that continuation will be the business of repairs and customization for those reading this. Read more »
By Dave Hobbs. Para What? It’s amazing how many IATN posts I see with good techs struggling in the area of parasitic battery drains. How much is too much? How to test? I guess I shouldn’t be amazed. I literally grew up in the family auto electric shop and this kind of thing was our bread and butter. For the rest of the shops out there who have to be experts in everything from the turn signals to the transmission, it can be a bit confusing. So what is a parasitic battery drain? Read more »
By Dave Hobbs. Car audio?Been more interested in R.P.M.s than in watts R.M.S.?Better rethink that philosophy with today’s factory car audio and entertainment systems.The technology that used to be a handful of simple circuits like “power, ground, speaker and antenna” and totally independent of other electronic systems has given way to vehicles sprawling with wires and data busses interacting with the audio system. Read more »
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