P1416 GMC -1500 sierra 4.8

Question

Where is this and how to fix or replace.

Answer 1

Hi there

This code is for the secondary air injection system on bank 2. This is usually an issue with the air injection pump. Here is some more info on the code including a video.

P1416 GMC - Secondary Air Injection System Bank 2

Read more: https://www.autocodes.com/p1416_gmc.html