PCV Valve

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1993 Pontiac Sunbird, 1993 Pontiac Grand Prix, 1993 Oldsmobile Cutlass Supreme, 1993 Chevrolet Lumina, and 1993 Chevrolet Corsica. However, it is still accessible from the selected car via links, so may be relevant.

An incorrect PCV valve may cause incorrect idle speed.

Fig 1: Code 35 Schematic Without Tech 1 (All Models) IAC Idle Speed Error

Fig 2: Code 35 Flow Chart Without Tech 1 (All Models) IAC Idle Speed Error