× 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: Failed Smog Test
Posted to Technical Discussion Forum on 3/5/2020 3 Replies

I agree with Louis... We need to see true lambda and all 5 (or 4 at least) gasses.

500-1000 smog test HCs can be caused by MANY MANY things that MAY be misfires, or may not be! (seen any cars in open loop because of a cts showing 7c temp? It doesnt code on o... Login to read more.

3 Replies Received (View Replies)