FixVault
Home
›
Buick
›
1995
›
Century Custom
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/Codes - 2.2L
›
ECM/Pcm Code Charts
›
Code 35: IAC Idle Speed Error
›
PCV Valve
PCV Valve
An incorrect PCV valve may cause incorrect idle speed.
Fig 1: Code 35 Schematic (2.2L) IAC Idle Speed Error
Fig 2: Code 35 Diagnostic Flow Chart (2.2L) IAC Idle Speed Error