Uscope - https://www.aeswave.com/uScope-Master-Kit-p9622.html 5V reference circuits cause some of the most confusing “multiple sensor failure” diagnostics in modern vehicles. In this video I break down what 5V reference is, why it’s 5 volts, how the ECM/PCM uses it to...
In this video, I break down how to perform a Relative Compression Test using an oscilloscope. This fast, non-invasive diagnostic method lets you check engine health without removing spark plugs. You’ll learn how to set up the test, connect a current clamp, record the...
Secondary ignition diagnostics are often overlooked in modern vehicles due to coil-on-plug systems—but the waveform still tells a powerful story. In this video, secondary ignition waveforms are captured and analyzed using an oscilloscope to reveal what is actually...
Today we’re rebuilding the rear brake calipers on a DeLorean — a job that solves common issues such as dragging brakes, uneven pad wear, sticking pistons, and handbrake imbalance. The DeLorean’s rear calipers have some unique design quirks, including the integrated...
Learn practical lab-scope workflows you can use today. We reinforce the basics with real-world tests: checking primary ignition current with a low-amp probe, verifying an entire bank of coils via the common power feed, reading fuel-pump current through a fuse-loop...
Everyone’s talking about how bad the automotive industry is right now — low pay, burnout, lack of respect, and technicians leaving the trade. But that’s only half the story. In this video, I talk about what’s really going on in the automotive world — and why it’s not...
My Cat Video – Catalytic Converters Explained – What They Do and Why They Fail
The catalytic converter is one of the most critical—and expensive—parts of your vehicle’s exhaust system. In this video, we explain how it works, why they fail, and how to protect yours from both theft and internal damage.
🔍 What you’ll learn:
What a catalytic converter does
Symptoms of a failing or clogged catalytic converter
Check engine light and P0420 code explained
Why unburnt fuel and oil leaks can destroy the cat
How to tell the difference between upstream and downstream issues
How to prevent converter failure
Why theft is so common (and how to help prevent it)
OEM vs aftermarket catalytic converters
What happens if you drive with a bad converter
This video is essential if you’re dealing with power loss, strange smells, rattling noises, or emissions issues. Whether you’re driving a Subaru, Toyota, Ford, Honda, or Chevy, knowing how to protect your catalytic converter can save you thousands.
🛑 A bad cat = poor performance, failed emissions, and big repair bills.
🔔 Subscribe for more real-world automotive insights.
👍 Like and comment if you’ve had catalytic converter issues—or if yours was stolen!