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Old 02-13-2013, 03:46 PM   #1
drewts86
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Broken hose. IAC?

Need some help IDing this part. I'm guessing this is what set off my CEL, and I'm assuming this is part of the IAC system?




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Old 02-13-2013, 04:12 PM   #2
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Do't quote me on this because my experience is solely with the zetec, not duratec, but it looks very similar to the PCV hose on my engine. They are prone to collapsing as well as splitting down near the pcv valve itself on zetecs. The diameter and hose type seem similar. But i guess you would probably be experiencing rough idle issues if that was the case
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Old 02-14-2013, 12:42 PM   #3
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Bump. Lookin for a solid answer. PCV is what I'm hearing from a Zetec man, just want to confirm from a Duratec owner...
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Old 02-16-2013, 03:33 PM   #4
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The part that your index finger points to in the second picture is a vacuum solenoid valve. You can see that the nipple is broken off along with the hose. There are two of these mounted on top of the intake manifold. On my Duratec engine, one controls manifold vacuum going to the actuator for the Swirl Control Valve(s) (SCV) in the intake, the other valve controls manifold vacuum going to the actuator for the Variable Inlet System (VIS) valve(s) also in the intake. Yes, the break shown in the picture will set a CEL. You need a new vacuum solenoid valve. The repair should be simple although the part may be dealer only. The destination of those vacuum hoses will be shown on the emissions sticker located on the underside of your hood.

For a temporary fix, plug the end of the hose shown in your hand with a golf tee. Good luck and let the forum know whatever your fix turns out to be. That way the forum knowledge base is increased.
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Old 02-16-2013, 03:44 PM   #5
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^^ this. the pcv valve and hose on a duratec is tucked nice and deep behind the intake manifold.
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Old 02-16-2013, 06:52 PM   #6
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Quote:
Originally Posted by zpellicone View Post
Do't quote me on this because my experience is solely with the zetec, not duratec, but it looks very similar to the PCV hose on my engine. They are prone to collapsing as well as splitting down near the pcv valve itself on zetecs. The diameter and hose type seem similar. But i guess you would probably be experiencing rough idle issues if that was the case
Quote:
Originally Posted by drjkel View Post
The part that your index finger points to in the second picture is a vacuum solenoid valve. You can see that the nipple is broken off along with the hose. There are two of these mounted on top of the intake manifold. On my Duratec engine, one controls manifold vacuum going to the actuator for the Swirl Control Valve(s) (SCV) in the intake, the other valve controls manifold vacuum going to the actuator for the Variable Inlet System (VIS) valve(s) also in the intake. Yes, the break shown in the picture will set a CEL. You need a new vacuum solenoid valve. The repair should be simple although the part may be dealer only. The destination of those vacuum hoses will be shown on the emissions sticker located on the underside of your hood.

For a temporary fix, plug the end of the hose shown in your hand with a golf tee. Good luck and let the forum know whatever your fix turns out to be. That way the forum knowledge base is increased.
Quote:
Originally Posted by mikebontoft View Post
^^ this. the pcv valve and hose on a duratec is tucked nice and deep behind the intake manifold.
Thank you gentlemen, you've been a big help. Now - once I can get over this pneumonia I'm gonna see if I can deal with this issue.

Cheers,
Drew
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