PCV Valve

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1993 Pontiac Bonneville, 1993 Oldsmobile Ninety-Eight, 1993 Oldsmobile Eighty-Eight, 1993 Buick Riviera, and 1993 Buick Regal. 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 Using Tech 1 (All Models) IAC Idle Speed Error

Fig 2: Code 35 Flow Chart Using Tech 1 (All Models) IAC Idle Speed Error