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Contrary to a previous posting - please note that some Jeeps (depending on year/model) don't have a PCV (Positive Crankcase Ventilation), but DO have a CCV (Closed Crankcase Ventilation) - which ends up being a simple tube (no internal valve or special controls for air transfer).

Depending on the year/model of your Wrangler, the CCV is on the rear center of the valve cover (on the very top/center part over the engine), while the Fresh Air Intake (which looks very similar to a PCV or CCV, but is connected to that large air intake hose) is toward the front of the valve cover.

I KNOW the 2001 Wrangler has a CCV - I just broke the tubing and valve itself this weekend as I was leaning in to change all six fuel injectors (it was brittle - which is common after a while). Your vehicle should still run (although it will idle high) without it, but definitely replace if you can.

Also, you might want to purchase a Haynes manual (or similar) for $20-$30. If you do get the Haynes type manual for 87-08 Wranglers, you'll see that page 6-2 image 2.5b illustrates the location of your CCV in a lovely diagram.

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14y ago

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