× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 05 Ford F150 Spark PLug
Posted to Technical Discussion Forum on 3/16/2018

Hello, Timothy

Here's one I pulled out a long time ago. [melted spark plug shell] As you can see, there's no register mark on the tapered seat due to lack of torque.

The plug looks really bad because it overheated and burned away. I'd look at the piston do... Login to read more.

Files Referenced:

thumbnail