my mustang has a secondary air injection system incorrect flow

Question

how would i have this check and repaired

Answer 1

HI there

With this code it can be caused by several things. Vacuum lines or a faulty air pump can cause it. It can also be the result of wiring issues.

P0411 FORD - Secondary Air Injection System Downstream Flow

Read more: https://www.autocodes.com/p0411_ford.html