× 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: temp gun on cat
Posted to Technical Theory Forum on 9/4/2008

The correct answer is... It depends.

When the CAT is lit off and running full board it will be hotter to the rear. If it is plugged solid it will be hotter to the front. Ideally the CAT will be not plugged and not running at full capacity. So the answer is s... Login to read more.