Question

buic llacrosse 2005 3,8 cxl p0411

Answer 1

Hi there

This code is for the secondary air injection flow being to low. This can be the result of bad hoses or the air injection pump. It can also be a problem with the wiring to the pump. Here is some more info on the code for you.

P0411 BUICK - Secondary Air Injection System Insufficient Flow

Read more: https://www.autocodes.com/p0411_buick.html