× 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: Speed Density Engine rich at idle
Posted to Technical Discussion Forum on 10/18/2020

Appears the 1AZ-FSE (2.0 D-4) engine is a post catalyst single sensor system. Scroll down in the link to 'Fuel injection system (D-4)' I'm still searching for a theory of operation.

[...] [[...]] Login to read more.