AutoRex is now on Patreon! It provides a tier through which you can ask me automotiverelated questions through Discord. Thanks for your support!   / autorex  

Disclosure: This site contains affiliate links for which I may be compensated. As an eBay Partner and Amazon Associate, I may be compensated if you make a purchase through these links.

Buy the UPDATED onepiece OEM Motorcraft spark plugs (pack of 8) here: https://amzn.to/3maBgWF

Get the Seafoam here: https://amzn.to/3s5SoAN

How to clean the throttle body:    • Ford F150 5.4L Throttle Body Cleanin...  

Complete stepbystep guide on how to replace your Ford 5.4's spark plugs, along with some techniques that I use to help avoid the problem of spark plug breakage.