Automotive Diagnostics Learn your fundamentals

Every Auto Technician Needs To Learn This! (Misfire Diagnostics)

This is the most FRUSTRATING and most REWARDING field

This Is Why Fundamentals Beat Flowcharts!

Using a Wideband O2 at WOT [Fuel Delivery Test]

How To Quickly Identify A Shorted Secondary Winding!!

Counter Fuel Trim and Injector Flow Waveforms [did we fix it?]

The Tool Every Diagnostic Tech Needs!

I can't believe what we found on this

Why You MUST WAIT Before Parasitic Drain Testing

Why do I leave in my mistakes??

Teaching My Son Why “New” Parts Mean NOTHING | EVAP Diagnosis

This is why it's so important to check your contact points!

Coil vs. Plug: What Failed? [Proven Diagnostic Test]

I've never seen this on a GM before!

They've Been Dealing With This For 2 YEARS...

We fixed the parasitic drain, but now it's not charging...

Snow vs. Ignition Coils: My Most Unorthodox Diagnosis Yet

What's the difference between a wide-band and narrow-band O2 sensor?