× 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: Why do spark plugs have resistance?
Posted to Technical Discussion Forum on 11/9/2005

Ty,

The plugs I removed were OEM and the resistances varied. The #3 plug was noticeably less at 170 ohms. I replaced them with NGK plugs.

This morning, I found out I had only fixed half the problem. The miss was back, according to the customer. No MIL on..... Login to read more.