Articles by G. Jerry Truglia

If you are working on European vehicles you know that one of the most common procedures that you will need to perform after replacing a component is Coding. 
A 2008 Porsche Boxster with 18,900 miles came in with a TPMS (Tire Pressure Monitoring System) problem.
As you are working on today’s vehicles you won’t be able to fix many different vehicle problems unless you are able to reprogram the vehicle. Our case in point is a 2006 Ford Explorer with a 4.6L V8 (Figure 1) that came in the shop with an EVAP circuit and O2 heater circuit problem. 
This article contains a mixed bag of some common Asian diagnostic tips and techniques on a variety of vehicles. As you read through the different vehicle problems, you will learn what diagnostic route I rode to diagnosis and fix the concerns.
The TST/ATTS training center is also a full-time shop located north of New York City and its keeps me current on the problems my students and readers are facing. Here are a few of the recent challenges we faced.
Following a good diagnostic plan can ensure success, no matter what you encounter.
Tips on finding that evaporative emissions’ very small leak source.
In order to master a scan tool, you need to understand that there is much more to it than reading codes — it’s the ability of interpreting the Parameter Identifier (PID) data displayed on the screen.
Since we are concerned with today’s software reprogramming issues, we will discuss the generic J2534 unit and how and why to use it.
With young techs working in my shop, I find myself spending as much time in the bays with them as I do upstairs working on my training materials. While it makes for long hours and hectic days, it also keeps my own diagnostic skills sharp, and I enjoy passing on what I’ve learned to the guys. Toyota EVAP Fault First First up is a Toyota Avalon (even though the Toyota Scan tool ID’d th