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In the valve cover and it will have a large black (vacum) hose running to it. passenger side of engine, on top you'll see a black plastic sensor with a wire connector attached, it's under that. turn cap 1/8 turn and lift up, under spring, don't lose o-rings

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โˆ™ 2006-11-05 05:48:21
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Q: Where is the PCV valve located on a 1998 Buick Regal 3.8L?
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