What is the secondary air flow? the code popped up on the engine diagnostic of my 2003 ford focus.

The secondary air flow engine code came up on a diagnostic check. What is that and how do I fix it??
codell1301
Asked Jul 10, 2010
The primary air system feeds into the top of the air filter and the secondary into the bottom. There should be a small filter inside the bottom intake that may need cleaning or replacement.

Download this PDF file and look at the drawing:

http://www.partsgeek.com/assets/perf/full/5417-03142491-1241334.pdf
Rob
Answered Jul 11, 2010

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.

Categories