× 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: Secondary Air System
Posted to Emissions Forum on 12/3/2019 2 Replies

does this help pat ? if it's anything like late models that use A.I.R. , i would guess it works during a cold start , and not for very long either . this is what i read on the link below , and it sounds very typical of this design .

USUALLY .....the AFR/O2 w... Login to read more.

2 Replies Received (View Replies)