Articles by Michael Miller

Conflicting information can cause what would be a normal diagnostic procedure to become a massive headache, costing time, money and in some cases, sanity.
The intermittent nature of terminal connection problems make them extremely hard to diagnose since they often occur so fast and also so randomly. One technique is use an oscilloscope to help pick out quick glitches in a circuit that would be hard to locate with other testing methods.
This ’07 Navigator had a misfire. Follow along and see if you would have taken these same diagnostic steps.
I often see the Nissan Murano, not because it is prone to problems but because it is a popular and reliable vehicle. Here are a few of the more interesting ones I’ve run into.
We use wiring diagrams in many of our diagnostics, but if we are not careful, they can sometimes lead us to make decisions that are not accurate, which can lead to wasted diagnostic time, unnecessary parts costs for the replacing parts that are not defective, and sometimes even missing a simple repair.
Every so often some of the vehicle problems we encounter can seem sort of paranormal. Even though we keep telling ourselves that there must be some logical explanation to what is causing the fault, the data we are observing is incomprehensible and our usual tried-and-true testing reveals little or no guidance.
The first step to diagnosing any parasitic draw starts with what’s being drawn down to begin with — the battery. I think more than any other component, the battery is the most overlooked item when it comes to testing for a parasitic drain.
With extensive racing backgrounds, BMW and Mercedes have also created a series of vehicles that share more with their race-driven brethren than that of their mass-produced counterparts.