Automotive Diagnostics Learn your fundamentals

How To Quickly Identify A Shorted Secondary Winding!!

Applying our fundamentals to a 2019 horn circuit

Stop Wasting Your Time With Flow Charts

A/C Leak Testing for the DIYer!!

This is why you should ALWAYS check your meter!

Testing A Computer Controlled EGR Valve - No Scan Tool Needed!

This Is Why Fundamentals Beat Flowcharts!

Mechanic Abilities - You Either Have it Or You Don't

EVAP Leak Testing - Could It Be The Rats Nest??

This Must’ve Been Built at 5 O’Clock on a Friday...

No Current Flow, No Voltage Drop!

All These Parts For One Code?

I Thought This Was A Parasitic Drain...

I've never seen this on a GM before!

Bad Fuel Pump and MAF Relay in ONE CAPTURE

I can't believe what we found on this

Why Cam/Crank Correlation Didn’t Catch This Timing Problem

What do YOU think could be causing this?