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Scoping Out Engine Mechanical Faults

This video is a trailer of the Motor Age webinar covering Engine Mechanical Faults. To get the full video please buy the Scoping Out Engine Mechanical Faults webinar at: https://www.passthease.com/training-videos/scoping-out-engine-problems For the latest tips and upcoming live online training, sign up for our newsletter! http://www.SearchAutoParts.com/ForTechs Loss of seal in the combustion chamber, especially if that loss is intermittent, can be time consuming to diagnose and confirm with traditional testing methods. In addition, volumetric efficiency losses caused by problems like valve timing shifts, improper variable valve timing operation, and restricted Exhausts can also be difficult to nail down. But by using the power of an automotive lab scope and a few accessories, technicians can reduce their troubleshooting time and confirm faults that would otherwise elude them. And that's the topic of this Motor Age/TST webcast featuring guest expert Bernie Thompson of Automotive Test Solutions. Click this link to subscribe to Motor Age! http://bit.ly/MA_YT_freesub


 


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Relative Compression Testing Variables (2005 Buick Lacrosse)
For more on Engine Performance Diagnostics go to www.scannerdanner.com In this video I am covering yet another variable when it comes to relative compression testing with a scope.





2010 Subaru 2.5 Variable Valve Lift Solenoid and Switch Testing
This video is a great review of Section 2 "Switch Inputs" and Section 3 "Transistor drivers and Output Solenoids" in my eBook. On this system the intake valve lift is varied by two different cam lobes. A low lift lobe and a high lift lobe. I misspoke in the video calling this a variable valve timing or VTEC mechanism. This system does not vary cam timing, but it does vary intake valve lift.





Labscope coil ramping 1
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Fuel Injector Driver Designs
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Automotive repair: Test Like The Engine Control Module Does
For more tips and other great resources, log on to our community the AutoPro Workshop at http://workshop.search-autoparts.com John Q. Customer comes in complaining that the "Check Engine" light is on. Drivability may or may not be affected depending on why the light is illuminated. When facing this type of repair, consider whom you must really satisfy in order to make the repair successful. The same module that turned the light on in the first place is also the same module that will test the quality of your repair. Even if your human customer can't tell if the repair was correct, you can bet the module can. And it will turn the MIL (Malfunction Indicator Lamp) right back on if it isn't happy. So it pays to understand how the ECM performs its system tests, and to use that information when performing diagnostic tests of your own. And that's the topic for this month's edition of The Trainer! Click this link to subscribe to Motor Age! http://bit.ly/MA_YT_freesub





How to perform a compression test with a scope
Relative compression testing using the Snap-On Verus





Testing Evidence and Logic part 2
Part 2 in this series





Using Idle Air Control (IAC) position to ID a vacuum leak
This is the first of two case studies that will re-enforce my "Vacuum leak testing without a smoke machine" video/lecture.





Scoping Out Drivability: The Trainer video series (Nov 2011)
Diagnosing drivability problems on today's cars presents several challenges to technicians. Many engine designs are unforgiving of even minor flaws, and are quick to let their driver's know they aren't happy by bucking, spitting, and turning on the Check Engine light. Finding these minor discrepancies takes a trained eye, a little patience, and the right equipment. One such piece of equipment is the Digital Storage Oscilloscope, or DSO. This modern version of the old big-box engine analyzers many of us grew up with is capable of much more than simply tracing secondary ignition patterns. With the addition of a few accessories, it becomes a powerful and time saving tool that can help you find those minor discrepancies when other diagnostic techniques will not. Join technical editor Pete Meier as he shares some of those techniques in this month's edition of "The Trainer". Click this link to subscribe to Motor Age! http://bit.ly/MA_YT_freesub





2003 Pontiac Vibe 1.8L Misfire, Rough Idle (Part 1)
This is a Toyota engine in this car and apparently is known for injector problems. In this video I cover the following: 1. How to do an injector balance test with a timer tool. 2. How to monitor injector flow with a pressure transducer connected to the fuel rail using a Picoscope 3. Using fuel trim for direction 4. How to use fuel trim numbers at different RPMs





Signal Circuit Integrity Update for my Ebook
This video is mainly for my eBook owners. I would like you to add this additional information to your book. How to safely check a sensor signal wire for opens and shorts without having to disconnect the computer and use an ohmmeter.





Quick Tips for Evap Repairs
Global Leak Detection and TST present this seminar that is about how to diagnose EVAP problems fast with a scan tool and a smoke machine. You can use any scan tool and any OEM approved smoke machine such as a Smoke Wizard, Bosch, OTC, MAC, and Snap On.





Voltage Drop Essentials - TST & Motor Age
G Truglia (TST) and Peter Meier (Motor Age) cover all the essentials of using the meter, especially voltage drop testing. This training class has been made free thanks tot he efforts of Motor Age and TST (an automotive training not-for-profit).





Fuel System Testing: Motor Age/TST November 2011 Webinar
In this Delphi sponsored webcast, Delphi's Dave Hobbs and TST's G. Jerry Truglia share tips and techniques to streamline your fuel system testing process. Click this link to subscribe to Motor Age! http://bit.ly/MA_YT_freesub





Testing Engines with a Labscope
This is not a class on old-school engine diagnosis. The compression gauge takes too much time to use. Using a labscope, easily diagnose a bad cylinder and timing issues using relative compression and pressure transducers. Extensive use of the Picoscope is covered. Pete Meier of Motor Age, G "Jerry" Truglia of TST, and Bernie Thompson of ATS all contribute to this presentation.





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