afr

Which friend knows where the problem is？ Water injection is installed in the intake manifold Cold start is normal After deep throttle Release the throttle Will appear

Thought I'd make a thread to collect some data on O2 sensor options for the single turbo peeps. As everyone knows, 2-bank fueling logic forces ST kits to place the pre-cat O2s in the manifold between the head and turbine, exposing them to extremely harsh high temperature and positive pressure...