[balochko24fan]

need help.i know if the gasket is bad it will cause a vac leak,but whatr if the vale is bad ,or stuck,will it cause a bad idle?and is there any way to check it? its on a 2006 taurus, thanks

 

[austex04]

I believe if the valve goes bad, it'll trip a CEL. I think there's a code for it, but I can't say I've ever seen one go bad before. I know there's a tsb in regards to a pcm re-flash on the '06 Taurus, to correct a idle problem.