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Oldsmobile
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1992
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Cutlass Ciera Base, 2.5 R
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Basic Testing - 2.5L/151 TBI In-Line 4 VIN [R]
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Emission Control System Testing
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PCV Diagram
PCV Diagram
This engine does not use the "typical" PCV valve but rather, a PCV orifice.
Fig 1: PCV Valve Location (2.5L VIN R)
Fig 2: PCV Valve Orifice X-Ray View (2.5L VIN R)