× 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: 2012 Impala Will Not Run O2 Or Evap
Posted to Emissions Forum on 5/22/2018 6 Replies

This vehicle is equipped with engine off natural vacuum diagnostic. However it still has the service bay test so one doesn't have to do multiple cold soaks. Start the service bay test. With engine running it will start checking for large leaks and vent restric... Login to read more.

6 Replies Received (View Replies)