what does the code p0418 in buick leasbre 2002 look like

Question

A code p0418 in my Buick lesabre is lite. What does this mean

Answer 1

Hi there,

This code indicates an issue with the secondary air injection pump relay. Here is some info for you.

P0418 BUICK - Secondary Air Injection Pump Relay Control Circuit

Read more: https://www.autocodes.com/p0418_buick.html