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PCV; do I need to connect?

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Old 08-23-2009 | 11:20 PM
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grn99's Avatar
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From: Redford MI
Year: 1999
Model: Grand Cherokee
Engine: 4.0
Default PCV; do I need to connect?

I recently made a cold air intake and was wondering if the PCV on a 99 vents itself or dose it need to be connected to the new air tube? Has anyone done this? Thanks
Old 08-23-2009 | 11:26 PM
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From: Chico,ca
Year: 89
Model: Cherokee
Engine: 4.0
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Your engine needs to be vented,but where depends on your emmision laws,here in ca that is an automatic failure if it is not vented to the intake. Any blowby needs somewhere to go besides on your engine.

Last edited by Abovetimberline; 08-24-2009 at 01:09 AM.
Old 08-23-2009 | 11:32 PM
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From: Redford MI
Year: 1999
Model: Grand Cherokee
Engine: 4.0
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So it will not vent itself. Living in MI allows me to not have to worry about emo laws but MPGs do. I guess I'll tap in a tube.
Old 08-24-2009 | 01:08 AM
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From: Chico,ca
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Originally Posted by grn99
So it will not vent itself. Living in MI allows me to not have to worry about emo laws but MPGs do. I guess I'll tap in a tube.
it will vent itself,but it should be attached to your intake,weather you have alot of blowby or not.
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