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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
A/C System Servicing For The Next Generation: Motor Age webinar series, May 2013
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Once again, Motor Age and TST teamed up to present professional technicians
with a free training resource, this time focusing on air conditioning
service and repair. Live attendees were told about the dangers of
counterfeit refrigerants and how to detect them, and shown new diagnostic
methods including thermal imaging and ultrasound detection.
And hey! Before you bust us on the sound quality...that's rain! This
webinar was shot during a heavy storm!
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Certified Technician newsletter at http://www.motorage.com/fortechs
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.
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.
Automotive Repair: Electrical Troubleshooting Tips and Techniques with Joe Glassford
For more resources on electrical troubleshooting, join our online community
for FREE at http://workshop.search-autoparts.com
Diagnosing electrical problems is still the number one toughest job for
most techs. In this edition of the popular Motor Age webinar series, "After
Hours", technical editor Pete Meier welcomes electrical testing expert Joe
Glassford of Vestest.com. Joe shares tips on understanding electrical
current paths, what voltage drop is and when it is a good thing versus when
it's a bad thing. Testing methods are demonstrated and suggestions for
choosing a good meter are mentioned. Click this link to subscribe to Motor
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!
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
Part 1 of 2 on how to use a lab scope for current ramping and how to
identify a good & bad coil.
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
Understanding running compression waveforms
Viewing the pressure waveforms from inside the cylinder of a running engine
can provide a great
deal of diagnostic information. Understanding these waveforms will help
you spot valve issues, blocked catalytic converters and restricted air
The equipment used is a PicoScope automotive oscilloscope and a WPS500
basic voltage drop testing for automotive electrical testing
How to use your meter to measure voltage drop in a automotive electrical
circuit. I do diagnostic jobs for many repair shops in my area, and one
thing I see all the time is the misdiagnosis of circuits and parts " hung"
that do not fix anything all due to improper testing.
No Code Misfire Diagnostic Tips - The Trainer video series (July 2014)
"The car isn't running quite right. It feels a little rough when I'm
stopped". Not an uncommon customer complaint, right? Your service advisor
brings you the ticket and the keys and you hop in the car to bring it
Unfortunately for you, the car appears to run just fine as you let it sit
at an idle in the lot. But Lady Luck smiles down on you, and the
Malfunction Indicator Lamp (MIL) is on. You find a P0300 (Random Misfire)
code stored in the Engine Control Module's (ECM's) memory. You also notice
the car has some miles on it, and if you're like many of us, you're first
instinct is that the car probably needs a "tune up". You pull a plug after
you have it in your bay and see that it is worn and seems to have been in
there for awhile, so you recommend plugs and wires (just to be on the safe
side, right?) and proceed to the next job on your hook.
The parts arrive later that afternoon; you install them without any problem
and return the car to the customer. Three days later, they're back and
they're upset. The car is running the same as it did before.
This repair was doomed from the start, wasn't it? Assumptions were made, no
testing was done (unless you count pulling the plug) and the repair was
never verified. How many potential causes for this kind of complaint are
there, and how do you narrow all of them down to the ONE that is the
Isolating the cause of a random or cylinder-specific misfire need not be a
fault solved by "seat of the pants" troubleshooting. Following a logical
order, applying a few simple techniques and using a little of what God gave
you can lead you to a successful repair the first time. And that's the
topic of this month's edition of "The Trainer".
Join us April 24-26 for Automechanika Chicago!
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Pete Meier's uniform shirts supplied by RedKap. For info on RedKap uniform
apparel for the automotive industry, visit:
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unauthorized modifications of this information, or improper use of this
information. Motor Age magazine (Advanstar Automotive Group) assumes no
liability for property damage or injury incurred as a result of any of the
information contained in this video. Motor Age recommends safe practices
when working with power tools, automotive lifts, lifting tools, jack
stands, electrical equipment, blunt instruments, chemicals, lubricants, or
any other tools or equipment seen or implied in this video. Due to factors
beyond the control of Motor Age, no information contained in this video
shall create any express or implied warranty or guarantee of any particular
result. Any injury, damage or loss that may result from improper use of
these tools, equipment, or the information contained in this video is the
sole responsibility of the user and not Motor Age magazine or its corporate
Buick - 3100 SFI Engine Training (1994)
This video from GM's Certified-Plus Training series provides details of the
redesigned 3100 SFI Engine introduced on the 1994 Buick Regal and Skylark.
Topics covered include: 1996 Government Requirements, Engine Introduction,
Management Strategy, Diagnosis Review and Service.