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Home >> Chevrolet >> 1992 >> Lumina Z34, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 2.5L/151 TBI In-Line 4 VIN [R] >> Emission Control System Testing >> 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)

G50B14135

Fig 2: PCV Valve Orifice X-Ray View (2.5L VIN R)

G50C14136

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