prjctx.net
P0419Powertrain (P)generic

Secondary Air Injection System Relay "B" Circuit Malfunction

The electrical circuit controlling the second secondary air injection relay has a malfunction, such as an open, short, or resistance problem. Similar to the first relay, this circuit powers critical components of the air injection system. A fault here will prevent proper emissions reduction, especially during cold engine startup.

No detailed repair guide linked yet. Check back soon or search for related issues.