× 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: So much for Spark plugs
Posted to Technical Theory Forum on 7/18/2011 1 Reply

[...trimmed text...]

Catalyst protection, catalyst efficiency under specific conditions, increased power, better cold engine performance, etc.

[...trimmed text...]

The sensors don... Login to read more.

1 Replies Received (View Replies)