This article’s purpose is to look at the different causes of misfires and how to identify or eliminate the potential causes to come to an accurate diagnosis. I believe a solid plan of action (POA) is required to stay on task and avoid wasting time and money by missing the misfire.
Oil consumption concerns along with extended service intervals present a challenge to independent repair facilities. Where is the oil going? What can be done about it? What service interval should be used?
This month, I dive into a common repair – the inspection, service and replacement of hub bearings. I asked the folks at Federal-Mogul (MOOG®), Timken, SKF and the Schaeffler Group (FAG) to share their expertise with me, so I could share it here with all of you.
Cylinder pressure testing is becoming one of the most important new diagnostic tools for a shop to use. This technique provides valuable information to the technician that cannot be obtained in any other way.
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.
From time to time a vehicle will come to our bays with drivability concerns, and there is no check engine light and no diagnostic trouble codes stores in memory. But just because the problem didn’t store a code doesn’t mean the problem can’t be found.
Many of the hybrid vehicles I have worked on do not average anywhere near the suggested EPA ratings. One such example is a 2008 Toyota Prius that only averages 30.5 when it should be averaging about 46 mpg.
We will explore catalytic converter issues and testing for a wide range of vehicles. In order to do this, we will break down diagnosis into two parts: pre-OBD II vehicles and OBD II compliant vehicles.
If you’ve mastered the latest SFI / MPI low pressure return-less fuel systems but have not yet become comfortable with the latest high pressure GDI systems you are going to definitely want to continue on reading about the revolutionary fuel system that’s here to stay.
Aftermarket professionals working toward additional certifications through professional organizations can get one step closer to their goals by attending the free one-day Commitment to Training event at Washtenaw Community College in May.
The March 2016 edition of The Trainer walks you through an easy way to tell if the engine's ability to "breathe" or an inaccurate MAF sensor is the cause of the drivability complaint you are diagnosing.
Let's take a look at some of the mechanical characteristics of how the Variable Valve Timing (VVT) engine works, what to inspect and look for and how to make your diagnosis of these engines a little easier.
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