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Where is PCV valve on a 1991 Cavalier?

Updated: 10/20/2022
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17y ago

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In the back of the engine. You should see two hoses, one big hose and one small hose going into it. You will see that it's treaded. This is to allow you to unscrew it to replace it.

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Q: Where is PCV valve on a 1991 Cavalier?
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