Here's Why You NEVER MESS WITH Your Vehicle's Ignition Coils!! Ignition Coil Replacement!! #ignitionCoil #roughIdle #misfire

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In this video I change my 2005 GMC Envoy (same as TrailBlazer) ignition coils on my 4.2l inline 6 cylinder engine. Unfortunately, this didn't fix my issue so I still have some diagnosing to do.

**This channel is for entertainment purposes only! Do not do what I do. Do not take my advice. I am not a professional. The methods I use may be completely wrong and/or dangerous. Please seek professional help with anything and everything and do your own due diligence (research). Working on cars is extremely dangerous. I am not responsible for any loss of life or limb or property. DO YOUR OWN RESEARCH. THIS CHANNEL IS FOR ENTERTAINMENT PURPOSES ONLY!**

FTC Disclaimer: I am an Amazon associate. As such, I earn a percentage of sales made through Amazon associate links found in the description of my videos and on my website and other places.

00:00 Intro
01:07 New Ignition Coils
01:36 Begin Removal Of Old Coils
01:57 My Theory On Replacing Coils
02:45 Continue Removing Old Coils
03:34 Orignial Delphi Ignition Coils
03:51 Checking Spark Plugs
05:44 Old vs. New Ignition Coils
06:25 Installing New Ignition Coils
07:37 My Wife Farris And Her Car
08:22 Starting Envoy After Install
09:06 Is It Fixed?
10:33 Conclusion