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standing in front of car, on left side of upper intake(black plastic) is your map sensor. unplug electrical connection, turn map sensor and mounting bracket counter clockwise and pull up to remove, being careful not to lose spring and o rings.pcv is located in this hole under spring. reinstall all o rings and spring or you will get crankcase vacuum and engine noise On my 92, it's on top of the motor where it say 3800(engine size)facing the motor it's on the left -PCV inscribed on the plastic/metal cover. It's under a cover with a spring.
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