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Old 09-03-2011, 02:51 AM   Thread Starter #1
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Default Oil Soaked Around The VIAS

I remember a while ago someone mentioned they had oil soaked around the VIAS gasket. Well I have the same thing. So I took it off and there was wet oil inside the plenum. Could that be coming from the PCV valve? It might be stuck open. I changed the sparks plugs recently and noticed they were fouled. And the only reason I did that is because I started getting light smoke coming from my exhaust under acceleration.

I also installed the HFPC last year and I'm getting a 420 code again. I wonder if the oil and the SES light are related. I'm thinking that oil is getting sucked into the intake and screwing up my cats. Anyways I'm replacing the PVC valve tomorrow to see if this helps.

Any thoughts on this or am I talking nonsense?
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Old 09-03-2011, 03:52 AM   #2
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Default Re: Oil Soaked Around The VIAS

When I took my VIAS assembly off, there was oil around it. Can't really say it was soaked, but there was definite "glistening" on the seal and valve assembly.
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Old 09-04-2011, 02:33 PM   #3
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Default Re: Oil Soaked Around The VIAS

change the PCV but the VQ pulls in a lot of oil inside, try the PCV first,

if the problem still there, you need to install a catch-can.
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Old 09-05-2011, 12:27 AM   Thread Starter #4
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Default Re: Oil Soaked Around The VIAS

Originally Posted by NiZMo1o1 View Post
change the PCV but the VQ pulls in a lot of oil inside, try the PCV first,

if the problem still there, you need to install a catch-can.
I changed the PCV and the hose. There was oil inside the hose all the way up into the nipple on the UIM. I'd install a catch can but there really isn't any room back there by the firewall. Is there supposed to be a PCV on hose from intake to the front valve cover? There is no oil coming from that hose at all.
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Old 09-05-2011, 03:11 AM   #5
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Default Re: Oil Soaked Around The VIAS

Originally Posted by Cheeto View Post
I changed the PCV and the hose. There was oil inside the hose all the way up into the nipple on the UIM. I'd install a catch can but there really isn't any room back there by the firewall. Is there supposed to be a PCV on hose from intake to the front valve cover? There is no oil coming from that hose at all.
Nopes , you have to run a hose from the rear PCV and the nipple off the elbow.

there is two ways I've done it,

I ran a greddy catch to the front near the battery with longer hose to catch the oil, ( work well ) until I had to make room for the turbo setup.

Ive run a DIY catch can, which is basically using an air compressor catch can at your home depot /lowes its small enough to fit near the back fire or by the power steering resevior
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