Mechanics

P0411 ERROR, SAI INCORRECT FLOW DETECT

2006 Buick La Crosse

Computer problem
2006 Buick La Crosse 6 cyl Front Wheel Drive Automatic 38000 miles

The check engine light came on and the error code read P0411. I reset the code and the next day the error code was back. The car runs good with no noticeable performance issues. I have not found any vacuum hose leaks but I wasn't sure what I was looking for. I'm not sure what to look for and/or test next.
Avatar
Richapg
June 15, 2008.



You have to see if the air pump is working first, you have to use a scan tool that can command the air pump on/off to see if it works.A code like this is hard to answer, it code be a number of things, from a blown fuse to a bad relay or a bad air pump, even a blocked hose to the air pump.

Brian 1
Jun 15, 2008.