Checked the vacuum hose- I can easily blow air through the vacuum hose in both directions. I thought those had a valve but whatever. I'm going to try to take off/clean the IAC valve today. May buy fuel system cleaner, intake system cleaner, etc.
Any other ideas?
2009 Focus Coupe SES 5-spd MTX
Steeda STS, Steeda SRI, FSWerks Race header, 2.5" flex, and 2.5" race exhaust
Tuned by Focus-Power (Tom)