× 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
Formula for calculating cat efficiency?
Posted to Emissions Forum on 7/7/1999 11 Replies

Hello everyone,I've got a mathamatical [...] doing cat conv testing(measuring before and after) how do you calculate cat efficency using HC CO CO2 O2 ?

Can anybody give an example with some numbers? Login to read more.

11 Replies Received (View Replies)