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2005 ST P2004 Help

2K views 7 replies 3 participants last post by  afraziaaaa 
#1 ·
Like it says in the title: 2005 ST 2.3L CEL with p2004 code.

Vacuum lines are not blocked.

There is also a loud clicking coming from the intake manifold. When I remove the left vacuum line from the manifold (top side just below the solenoid) the clicking stops. Maybe this is the tumble-flap sticking? I am unsure.

I need to know if the problem is the solenoid(s), the manifold itself, or other?

Any help is greatly appreciated!
 
#3 ·
That's what I am thinking. My next question would be why isn't the tumble flap working properly? The vacuum is good which leaves the solenoid not actuating, or the flap itself, unless there is something else?

I can eliminate the solenoid by swapping them to see if the problem follows. If it doesn't, I want to be sure there is nothing else before I go ripping into the intake. It is both expensive and a big job.
 
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